Part 87

Fam. Brachiopoda.

201. Orbicula lævis.

202. Terebratula Psittacea; a. anterior margin.

203. Atrypa reticularis. Trigonotreta, König.

204. Cyrtia exporrecta.

205. Delthyris plycotes, (from Dalman.)

206. Leptæna depressa, Dalman. Producta, Sow. (from Sow. Gen.)

206*. Producta antiquata.

207. Orthis basalis, Dalman. Strophomena, Rafinesque.

208. Trigonosemus Lyra, König.

209. Magas pumilus, Sow.

210. Gypidia conchidium, (from Dalman.)

211. Interior of the large valve of the same. (from Dalman.)

212. Pentamerus Aylesfordii, (from Sow. Min. Con.)

213. ---- lævis.

214. Spirifer trigonalis. } } Trigonotreta, König, (from Sow. Gen.) 215. ---- dorsatus. }

216. Thecidium recurvirostrum. (Here should come Crania, see Rudistes.)

217. Pycnodonta radiata, (from Fischer.)

218. Hinge of the same.

219. Lingula Anatina.

Class, MOLLUSCA. Order, PTEROPODA.

220. Atlanta helicialis.

221. Cleodora cuspidata.

222. Creseis spinifera.

223. Cuvieria columella.

224. Spiratella limacinea, with animal; Limacella, Lam. Limacina Cuvier. (from Blainville.)

225. Vaginula Daudinii.

226. Hyalæa tridentata. Archonte, Montf.