12 



SUB-ORDER ABRANCHIA. 



141. Lepetidae = Lepetidae, Ball, A. J. C. 1869, 



140. 



ORDER YIL POLYPLACOPHORA. 



142. Chitonidae < Chitonidae, Gray, 177. 



143. Chitonellidae < Chitonidae, Gray, 177. 



SUB-CLASS PULMONIFERA. 



ORDER VIII. PULMONATA. 



SUB-ORDER GEOPHILA. 



( Oculiferous tentacles invertible.) 



(Agnatlia.] 



144. Oleacinidae < Testacellea, Alb. Mart. 22. 



145. Streptaxidae = Streptaxidae, Gray, A.M. N.H. 



VI, 1860, 268. 



146. Testacellidae < Testacellea, Alb. Mart. 22. 



(Goniognatha.} 



147. Orthalicidae = Orthalicea, Alb. Mart. 209. 



(Holognatha.) 



148. Cylindrellidae = Cylindrellidae, Or. & F., J. 0. 



1870, 5. 



149. Pupidae < Pupacea, Alb. Mart. 228. 



