[174 | 302 
‘Longitude 121°, latitude 444°. —The specimens from this locality are 
euuabered 53, 54, 55, 56, 57, 58, 59,60, and 61. These are .characteristic 
ens of the strata ee a blast 700 icel, high, and are numbered 
in the Piemending « rder. 
e specimens 59, 60, and 61, are three specimanrt of what appear to be 
very fine clay, wi oe oe from megs of t heaeane néarly as white as 
ordinary chalk. These three specim h are understood to be from 
three distinct Bop hs ae but slightly, 3 it bes chatteiare ad. 61 being of 
the lightest co 
No. 58 isa ps of grayish volcanic breccia, the larger portion con- 
sisting of volcanic sand or ashes. 
Nos. 55, 56, and 5i,aK8 of the same cHaracter, being, however, nearly 
© free from fragments or pepiies, and composed of light volcanic sand, or 
scoria, with an apparently large admixture of clay from the strata below. 
The whole is not acted on byacids, and, so far as can be judged, is of 
voleanic origin 
No. 58 is of f simi character to the preceding, three Pee ans con- 
tains more fragments, and has a generally coarser aspec 
ais ges 121°, latitude 45°.—These specimens are dambcted 2 35, 40, 
47, an 
No. 7 is a siliceous sinter, coated externally with ae of iron. 
? The speci imens Nos. 59, 60, and 61, which are from three different but contiguous 
have since been examined by Profeaso: or J. W. Bailey; of. Week Pesach finds them charged 
with fluviatile infusoria of remarkable f 
are descriptions masta mpanied rg late) of some of the most interesting forms, 
which 
were sketched by him with a camera-lucida giluchett to his microscope. It has not bee con a 
necessary to distinguish, seem, to which of the strata the individuals figured be 
_one, which are rag yracges raat seer They are evidently Rag of the 
fer very slightly in 
‘igs. 1, 2, ar Side be cst of aeons brite of Ehrenberg —The species is figured 
described by Ehrenberg, who received it from Real del Monte, ‘ilexon. It resembles Donotia 
Fea sre (Ehr.,) but differs in its granulations. The three figures are from individuals of 
“Bie oo 4 Psat 5. Eunolia gibba, (Bhr.)—Identical with acommon fresh-water species now living 
_ Fig. 6. Pinta Pi tc ? (Ebr. ne figure of P. pachyptera from Labrador 
is very egon species here represented 
Figs. 7, 8 ‘and § 9. fo eymbi forme 2e(Ehr. )—These_ are probably goes reclame of 
_the same species. Fig. 8 is rather larger than C. cymbiforme usually grows at West 
species. | 
ionella (new species, a. is eviden Gottene  ieeeee t 
ed asa eee Ree eee (See Silliman’s Journal for Spa 
: Bi ad 15, , Gallionella, new species? § (a—edge view ¢ b—eide view.)—This_ species 
are marked on aH premes bases with radian 
a undant in Nos. 59 and 61. 
nella: this vans ?_This very a mass of No. 60, 
es fos 59 and 61. 
arse 2 
ote T have seer _ sevens fragments ater 
fg _ Spicul eof raha sponges. —Spongilla, oa 
Pig 35. deck = WSR or Gonies Eccnihsd co NS the drawings. © 
