18.—1845. ] THE bbe cla aia ESE 293 
re a por- 
confinent, and for rming a ring, much ‘ong ae a a da eep sinus intervening spr yee me. elii lations | tion of the oily 1 matter of the ink having its affini ity for 
base of the fruit in the t ue pimpinelloides. The speci- | bets gonal, ae interstitial bara atter r or spicula. | the paper de estroyed, readily became attached to the 
mens were obtained from salt- ~ditche es near Yarmouth, his beautiful little sponge is more or less of an oval | zine—the acid, at the same time, inking the zine on 
rely exceed s half (an inch in length from | parts opposed to the white surface of paper, the 
of specimens of Dryas octopetala (Linn), ae had y yof t , and the central inked portions of the paper acted in a _ 
Tatham, in length. The fibres are of a ers fre the portions of zine opposed to 
from piace! Clouder, Yorkshire, _ The sepals or lobes | grechish amber ga the bol partaking of the same ing again to the difficulty of w cig a polished 
of the d by i its greater degree of den- meer late it would a an to be comple tel 
on one "spe ge the „length was Pres, twice the kaa When denuded of its surrounding fibres, the i ing a solut g 
breadth ; whil | ided i |y r he in pl e, and it Mr be 
breadth. The ee of the l ygonal areas, which are bar reque: ntly fi I l vet the pi 
varied much. e reminded is gts: rep t Mr. | or six-s Sided iek the angles o ironii rtcltn alone, yet tha sae adding ie gum, it: attached itself 
Babington had FEE a second species of Dryas | the fibrous structure springs, preserving the e for now see the operator fob 
D. depressa, Bab.), found in Ir , and distinguished H Fetioulktin as that of veo fen surface. Its in- f the plate er a 7 doth moistened with gum rina 
from the well known D. octopetala by tly the same | ternal structure also pres many interesting pecu- | way that if w we were not t quite | satisfied he mast know 
characters which these specimens proved to be within | liatitice, mie were fully detailed i in the paper. what totally 
the range of variation of the true D octopetala. He re ee coe Hees effect that had been previously produ ced 
had not seen any example of the D. Pr ae described | ROYAL INSTITUTION. : n the z 3 he was by this means preparing those por- 
in Babington’s “ Manual,” and could not speak “wih April 25.—The subject of Anastatic printing, to | ti 
certainty. ‘about its claims to be held a distinct species ; 3 which the attention oft lled by the paper to aoe an affinity for water, in order that by 
tor, was ller over 
to be distinguished from the better known species, were | introduced to the meeting by Prof. . Fandy, calling it, all parts not having already imbibed „any r oily matter 
pie if sufficient with these examples before n attentión th ae! two distinct ape 
Society. When a series of specimen s of D. octopeta! fror m the commencement o thes se aa, appeared | He would now advert to something í that considerably 
are examined, it will b l f hi i 
broader. in those which are advanced in the | resear rehes, in the other, as the medium o ing | the zi ali l 88, viz. phos- 
fruiting stage, as compared w ith ‘others just ‘upebine the researches aud discaveries of others, al ‘hi I 
into flower. the specimens bef Bone ociety, the | the most pleasing character, fi was ever fearful which he. don not et medi, n mere sAr g how the 
one having the broadest sepals was se ced in fruit, that a too natural partiality to productions of our o as obtained. A piece of pisporus was put in 
But it was proper to observe, that o this indu 48 overrate the importance of his a bottle e, ape covered pa water; the s veer rof the — 
single sepal was longer than the rest, and had a ap- olive: he vii uced to allude to these from his | bottle was allowed to remain tially , and as 
parently been white and petal-like at ry extremity ; 5 it having (as appea fred by a letter he held i in his fh conf AR acid was formed, it peiiini “fal Ay po 
i fi bot 
might therefore be held an aan rather tha 3 this v very m much me, sir the ai ress O 
healthy variation from the normal for | dence to obtaining 5 perpetual motion, as well 
of th Th 
BOTANICA H. ce the announcement of this mje ae, he „had Rady to to imbibe water in aia the ts represente ted ee 
The Monthly np or this he acl was held in the thou ght, quite hy ron the page, and tius the oily particles e 
mm ooms, 13, Queen-street, on Thursday the power of conveying our ideas by printing, now kon of tained from the inked parts o of the origi inal, will ca 
th ult. The Vice Prendent in the aoe A valuable | late bry obtaining so many ao and fac 
donation to the Herbarium was announced Peston om R. H 
wn, E outh 
ties, a formin ng a a distine tive mark of the ge. 
ver the ape! and this now le 
q., London i of those | Sey we shall hn 2a viele mucl ime 
plants, collected during Captain King’s voyages. othe he was but the medium of the | It appears that old pages on paper that has been 
special bmi of the Society were voted to Mr. Brown. aA ai ia n another party, w. ho ould before | print long tim isit in the 
J. R. Oliver, Esq., Mine elec ted a Resident Arid of the om go through the whole process, during which he of nitric acid; b 
Soci ciety. The fo llow ead :— | would e 
B. | it was | 
ut there i is also another To 
ndeavour to s ar out the Aeran upon which | ne iy which the same resu iz. 
conduc ted. er is od w ith a solution of jotai and 
Dr. Dickie, ‘Lectarer 6 on mg Geilo University and E ly F Id di subje y to the vapour of tartari ic acid, and tartrate of 
College of Aberdeen. 2. On the Correct Nowesiclettte | ti i 1 is th 
of the Lastræa spinosa and L. multiflora of Newman, hich a ni 
in 
signified re-arisen, or ref ‘ormed, as one of the Fas no ag orat e a _and the operator | oldly 
C. Babington, M.A., F.L.S.,&c. 3. Dr. Balfour specimens laying = ne table, which was ly r over the f p re i 
ad an account of a botanical tri rip to o the Mull of Can- old spec ime n of le rae such as ego er. ked bef “The pon is pie subjected to the 
tyre, and the island of Islay, undertaken with his pupils , the roa gi ng press, as 4 the fi e, an sam: piip ob- 
st, 1844. He gave a general account of the old and ill- Boake These ‘e prints wees produced from | tained. 
important Plante, which were picked by the party, 
MICROSCOPICAL, SOCIETY? 
il 23.— J. s Esq., in the Chair. A| pages of f printed works, one le let etterpress tot 
ct by J. wi S., &c., en- | pag opposite, prints from a ficeran A Faank: enced observer, N A wai t the 
titled “ Description of a New Genus of Caleareous | of Prince Albert, drawn n by Me. Minasi ; ual siari the plate with spirits of tu 
0 f thi per was deag print produced from i erf n ap] on the zine. 
found attached to the stem of a new species of Coraline, | of the head of a female, and some sketches by Mr. | hol olding it at an angle, the affer 
receirod D y the author from Mr. G. Dunsterville, Sur- Nasmyth, all having the absolute drawing from which | popan visible, and t t was y all that 
as the prints were obtained side by side with them n the zinc, but on aa it am thi 
vi med. -on the beach a ape | There were also some pages having illustrations on to have ed t in 
i dito soe e town. Its dese opto wood, the actual page copied, and that produced for he r the fnk i is Table to spread by re epeated workin: 
is as follows :—Dunstervilli Generic character. , and, last of all, the plates themselves. | occasional aae restores the sharpness a 
Sponge calcareous, outer surface arranged in polygonal | A page for illustrating the process wo! n be taken, and | On neglecting to water the plate, the roller could be 
plates or compartments ; body composed of simple | within 20 minutes the ey would have a copy obtained made > impart ink to tre whole sur sine hana 
ee angulated canals, radiating from the central | before the Be : black print would be the oe This was removed by 
is of the sponge, D. ele ans—Sponge sessile, sac-| In the first instance, the page was saturated with ashing 
a m > ven ce inal, |a dilute seen of soa acid ; when saturated, The ope erator then distribu but ted prints that had 
surrounded by a single or a — fringe of erect, | was. ape between blo te paper, and gently vom made to illustrate the lecture, and they riy were 
simple asbestiform spicula, External oscula indistinct. | to get r d of thes supe acid — the eer far nn ias or to those which have been „put forward 
+ 
ao 
4 
hth production of of prints: p fore dettan 
Similar page, printed, they wo uld observe, on ib oth draw wings, t “the „process is the | 
made “in rot Hibopraphte “ani 
and explained to them ; there were mging ur up, and on | ink ; some results of this were nioena as before alluded 
and were 2 satisfactory. Th 
e 
Spicula of the fr simple, lowe pont triradia much bett She explain, the qu 
ing g f tity: of ‘moisture necessary ae his purpose. When | Th 
Dr. Flemi ing, i s so ae = justify dy, make grein IS nip reach sihr and nipo for 
the author (in His opiki) in in my t the type of a| clean surfa ‘ace of zine ; 3; the operator eit od finally which they are inadequate, or which, if obtain d at all, 
new family ; and the more so, a Sitio ough Ti is ac- | there, rubbing it always in on would | can be better obtained by other means. On revi 
nec with n no recent analogue, yet there is a fossil | answer oe Á well were it helhed: A When "the zinc | the aboye process, little is found differing from 
e pa it two | ces lithography in its ordinar 
o y wh ic h it appears to be very closely allied. The fossil was clean 
on y cept 
ee ne With respect to saturating the page, | transfer of old prints. Several transfers by litho- 
of which presents a tesselated sr say oat resem- | it was necessar ry to observe that water and oil have not | graphe ers, so long since as 1825, were exhibited on the 
bling this sponge. It mu Py r be arked, that p 
there exists much doubt the he peal peers of this sive ; the extent of this was sho y placing a little | but it is fair to conehide that their ir productio on was too 
pen but as s the external a appearance of the plates or | coloured water on a plate, and dropping thereon a few apero for want of experience and Bi pp to 
mp: ents in it is precisel drops of oil, and vice versá, each receded seh the er > them ‘available for purposes of trade. Indeed, 
icon 4 an certain peculiarities of the internal other ; and the effect of the saturation of the e page was, 
arently to in som wo to detach the oily particles of. which iph adri seei ng that printin cean 
also as the microscopical examination of the outer and the in mpcsed from the paper, as well as to scarcely compete in price with ordinary on, Se 
fi facilitate i its ‘attachment, when subject to pressure, with | and is far dearer than letter -press. It is 
opera tio oa BEEE from the ordinary Aegrapae vantage over other processes. mpi in 
t me genus. second paper by t ame | press, and re mibled fr in vie the common copper- | can be made by the ordinary lithograp! 
leman, bein description of a new genus of plate press, having steel rollers of small diame ter, which | leaving bu it a very narrow field for hee “anastatie to | gl 
7esiwater Sponge, was also read. The singular and us, then, has the announcement of 
highly interesting sponge, whose description forms the f blank The e pressure was orinni printing from drawings (not cxprelbiiae the 
bject of this Paper, was found at Tenby, S. Wales, rt requiring two m n to kee equabl d of drawing), copying notes and deed 
r eshw. vege 1l ll to th i 
5 n à ion oc curred, i peare in so c 
oy cours a Ia arge muddy ditch in the | would injure the patekt of the transfer. While this for a special Act or Acts of Parliament to restrain the 
vicinity of Tenby, ‘which, although vey. near the sea, | was progressing he would call eir attention t o the | projector of this ere ow any the reality of 
has no communication with it. To this sponge Mr. | diff Ity i seth tting a p the danger. Few, we imagine, will step out of their 
gives the name of Somatispongia, and its | kind; he would take, for instance, a sheet of common way to draw ca deeds, or sign ae, in lithographie 
criptions are—Sponge, with a | tin, and ee a little beets on it ; the gel ‘could, be 
> round or oval coriaceous body, surrounded rolled al on the tin, = divided by sh Drawi 
thesenge, Keratose Seta, miie spring from its | joined ina rolled al 
Surface. S.. pulchella — Spo: 3 body co 
ations, the areas ee 
l, legal 
S safe as zi ; ings o be copied 
a eter ut again, and, is all this, | man ap diffic and aborious style, and must. S 
I done in a material difficult to near a A : 
"are toe to the tin. The case was — with oil, which | artists will aS uadsedarily be confined Bet t branch of 
to each other, ci ill be cheaper 
attached itself to the metal at ; hence, in the | drawing ; and whether their product 
