242 dav' export academy of natural sciences. 



Order, OPISTIIOBRAXCIIIATA. 



Family, Bullidje. 



Genus, BULLA, Lam. 



137. B. occiDEKTALis, Adams. Common among the Keys. 



Family, Aplysiad^e. 

 Genus, APLYSIA, Gmelin. 



138. Aplysia protea. Bang. Loc, the Keys and warmer parts of 

 the Gulf. 



Class, BRACHIOPODA, Ouvier. 



Order, ARTHROPOMATA, Owen. 

 Family, Terebratulid.e, Dall. 

 Genus, TEREBRATULA, Brug. 



139. T. cuBENSis, Pourtales. Proc. Pliila. Acad. Sciences, 1873. 

 Loc, Florida reefs. 



Genus, TEREBRATULINA, D'Orb. 



140. T. cailleti, Crosse. Dall. Bull. Mus. Comp. Zool., iii, i, 1871. 

 Tortugas. 



Genus, WALDHEIMIA, King. 



141. W. Floridana, Pourtales. Bull. Mus. Comp. Zool., i, 7, 1868. 

 Loc, Florida Reefs. 



Genus, PLATIDIA, Costa. 



142. P. ANOMioiDES, Scacchi. Loc, Florida Reefs. 



Genus, MEGATHYRIS, D'Orb. 

 Sub-Genus, CISTELLA, Gray. 



143. C. Barrettiana, var. lutea, Ball. Bull. Mus. Comp. Zool., 

 iii, No. 1, 1871. Tortugas. 



144. C. RUBROTiNCTA, Da?L Bull. Mus. Comp. Zool., 1871. Tortugas. 



Order, LYOPOMATA, Owen. 

 Family, Craniid^e, Gray. 

 Genus, CRANIA, Hetzius. 



145. C. AXOMALA, var. PoURTALESii, Ball. Bull. Mus. Comp. Zool., 

 1871. The Keys. 



