147 



1810, 35G. Patella a, Schum. 1817, 179. Emarginula, sp. 

 Sow. Pat. Unguis. 



152*. ? Palmarium, Montf. 1810, 70. Pal. clypeatum, Montf 



153. Emarginula, Lam. 1801; Schum. 1817, 181. Emarginulus, 

 Montf. 1810. Patella, sp. Linn. Patella fissura. 



Subemarginula, Blainv. 1825. Hemitonia, Swains. 1840, 356. 



Pat. octoradiata, Gmel. 

 Clypidina Gray, 1847. Pat. notata. 



154. Rimularia, Defrance. Rimula, " Defrance," Blainv. 1825. 

 Emarginula d, Blainv. 1825. Rim. Blainvillii. 



1 Rimula, D'Orb. R. conica, D'Orb. 



This genus is quite distinct from the following ; and we have a re- 

 cent species in the Brit. Mus. 



155. Diadora, "Gray, 1821;" Blainv. 1825 {Man. 501). Cemoria, 

 Leach, 1819 ; not llisso, 1826 (Cremoria, error of press). Sypho, 

 Brown, 1827; Reclus. Siphon, Brown, 1844. Puncturella, Lowe, 

 1828. Fissurella, sp. Flem. Fissurella ft, Schum. 1817. Ri- 

 mula, Coiithouy ; Loven ; not Defrance. Patella, sp. Midler, 

 Linn. &c. Diodora, Gray, 1840. Pat. Noachina. 



156. Fissurella, Lam. 1801, Sivains. 356. Lepas (Dasan), Adans. 

 Larva, Humph .1797,4. Fissurellus, Mon tf. 1810. Pat . picta ? 



Fissurella a, Schum. 1817, 181. Pat. Barbadensis. 



Fissurella c, Blainv. 1825. Pat. grseca. Young shell. 



Diadora, sp. Gray, 1821. Cemoria, sp. Leach, 1819; not Risso. 



Sipho, sp. Brown, 1827 & 1844. Pat. apertura. 

 Fissurillea, Swains. 1840, 356. Fiss. pileus, Swains. 

 Clypsidella, Swains. 1840, 356. Pat. pustula. 



157. Macroschisma. Macrochisma, Swains. 1840, 356 ; Gray, 1840. 

 Larva, sp. Humph. 1897, 4. Fissurella, sp. Sow. Pat. macro- 

 schisma. 



158. Fissurellidsea, D" Orbigny, 184 ? Fissurella, sp. Lam. 1822. 

 Fiss. hiatula, Lam. 



159.Pupillia, Gray, 1840, 114; 1844, 58. Fissurella, sp. Sow. 

 " Pupillaca, Gray" Bhilippi, ii. 90. Pat. apertura, Born. 



160. Lucapina, Gray, 1840; 1844, 58. Fissui'ella aperta, Sow. Lu- 

 cap. elegaus, Gray. 



Fam. NERITID^. 



Neritina. 



161.Nerita, Linn.; Adans. 1757; Lam. 1801. Peloronta, Oken, 

 1815. N. exuvia. 

 Nerita, Montf. 1810. Peloronta, sp. Oken. N. peloronta. 



162. Velates, Montf 1810, 354. Nerita, Blainv. 1825. Nerita, sp. 

 Chemn. Neritina perversa, Lam. 



