68 
room ix. On the same side of the room is deposited a 
Nat, Hist, collection of impressions of fishes from Oenin- 
gen, Canton, Glarus, Monte Bolca, &c. toge¬ 
ther with a series of palates, shark’s teeth, &c. 
The Cases 16 to 23 contain fossil remains of 
spiniferous zoophytes (EchinodermataJ , viz.— 
Case 16, and part of 17, species of the ge¬ 
nera Echinus (Urchin), and Echinocid<aris 
(Turban Urchin).— Case 17, those of Echino- 
corys (Helmet Urchin). —Case 18, those of 
Echinopilium (Cap Urchin).— Case 19, con¬ 
tains the species of Echinonaus (Boat Urchin), 
Echinobrissus (Brissus Urchin), and Echino- 
discus (Quoit Urchin).— Case 20, those of 
Eciiinanthus (Elower Urchin), and Echin- 
amygdalus (Almond Urchin).— Case 21, those 
of Echinospatagus (Spatangus Urchin). 
Cases 22 and 23 contain the various genera of 
the zoophytes commonly called Encrinites, &c. 
In Cases 24 to 29 are deposited the tubulated 
cellular, and corticated Polypes. Of the tubulated 
polypes (Case 26) the principal genera are Tu- 
BipoRAand Polystomus (formerly Tubip ser - 
pens }*-*— Among the cellular (Cases 26, 27) are 
the genera Cellepora, together with Lunuli- 
tes, Orbulites, &c. —The remaining cases con¬ 
tain the various genera of that section of the 
corticated polypes which comprises the Madre¬ 
pores, such as Cyclolites, Aspidiscus, Turbi- 
nolia, Fungia, Caryophylljea, Madrepora, 
Astraea, 
