72 REPORT—184/. 
the hill show distincHy that they were subjected to a great heat, and confirm ile 
popular tradition. The rocks near the summit, which have a blackened appwincf 
have not been subjected to 6 rr. and consist of bituminous fine-graiaed sanlioK* 
and an argillaceous rock of a dull yellow colour, dry and rough to the touch, reseoi. 
b 10 iraminrr.MogicuI character Tripoli. At Skeete’s IJavUaMratumof^* 
..she#, andpiimicenus particles are lii^scminated Lhroiieh the nmtl. 
lieHin * i^cotland district, Mrofeswr Ehmibei* 0 ^ 
i “ "fr s*liceoiM.sh»clde<l *i)im«lcul«. iriiki « 
TheSukf Academy of Sciences he described ns I’olTcjitm 
.n« diSrr ’*f*"^** '’'hk-h mertbei^mK 
Thev f> iM. • I ^ espenk an independent animal structure and devriopmal 
t f « the ‘••xriemity of the bodv. which hw no luicft 
nwnfc 'if coininonly among uninials. These siliceous loinid 
rinSmL mt ^ Barbados difler alike from Poiygastric mrf Wi- 
Fhrt>nh..riT.. -A °P® relation to these two groups, which ProfeiMr 
.;paratrfvSr"‘^T^^ upon conjecture, but from actual in vestigation. to form hru 
mia and w«..ld nearly iii systematic arrangeracDtto Polyifuli- 
without & hrarr groiip among animals possessed of wads tal 
The forma *" 1 *'‘’V’-P'o''‘ded With B Simple tubular intesfiial caaiL 
nnd Kchirioiden I'lghest degree in that division would be Hofotfiufia 
by ^of™st>r^FhTe”nf/ in the rocks of Barbados, as far as kreiiigSH 
y rote.ssor hhienberg February 13^7. consist of the following groups:- 
Polycystinii . 
Polygusti'ica.. "j o 
Phylolitharia. . .97 
Geoiithia. o- 
Polythalamia. . . - 
discov “’"f 
sinec they amount ."'b'''*' might he almost called a aeffol**! 
is contained in some ”«mber of specific forms tlif 
gica! age of the rocks in <3 . °t»jnials, may guide us to form an idea of tliegeo^ 
fossil animalcules from ^ »ristnct, by comparing these forms with iim'kf 
herg considers that the «peof which geologists have agreed, Ehra- 
animalcule* from rocks nf the rocks of Barbados resemble more 
invc^tigatiniw lend him * secondary period than of the tertiary. The siibo''* 
i*nd in this be is confirmed belong rather to theterfiarrpen^ 
nt Springfield, which Prof.. -« shells found on the summit of Bisses HiJ fj 
At dissi'x JlilL tlic teeth considers to belong to the mioccaej^’ 
(o*J>u) and spines of Echini ^^/harkffrom the genus Ltnnvnm OJ^ 
IS a new Sealaria, which °f the shells front ths| W 
new species of N'ucula fi-nm bus dcscnlied as Ehrenbefgi,ii^^ 
If we inqnir^ iiow in o ' and A'. SchomSurgkn. ^ ^ 
Scotland series of rocks «n which produced the eJevatipn ef, 
almost veitieal and contorted horreontal strata of sandsWOP '"'ll 
menu raised the old .sea.l>nff.^.^'^”* i doubt that submarine 
point, gave rise to the local »'»>lcanic ngeocy acting violently from 
"tone arc more distiwhcd forniatiol The strata o( ^ 
t'lrliance extend* from th-vt hifi f than anywhere else; the 
very rennirk«h|e fact Vlinrli.u f”"®'**!*, Hill and Mount Hillaby. h;“ 
‘triet uhuiioj in p I ’ . ® the earthy marls and clavs from the bcOtlanJ ^ 
fr.,,,, .Sweebotto^ V ‘ hecu discovered in the red iodto 
P^risJ,. llmsaitcs.inc SJ ?* ^^""nt ^^ liton, and from the cliffs in 
* The *ia„ i,^ ^ ^ contrast in the geological age between the wrah'Dt 
hitumen probably assisted to feed^he^firg ^ similar sandstone, and the large quantiij 
