169 



414. Chiton, Linn.; Lam. 1801; not Guild. Acanthopleura, sp. 

 Gray, 1847. Ch. gigas. 



415. Schizochiton, Gray, 1847. Ch. incisus. 



416. Corephium, Browne'!, 1756 ; Gray, 1847. Ch. echinatus. 



417. Plaxiphora, Gray, 1847. Ch. Carmichaelis. 



418. Onythochiton, Gray, 1847. Ch. undnlatus. 



419. Enoplochiton, Gray, 1847. Ch. niger. 



420. Mopalia, Gray, 1847. Ch. Hindsii. 



421. Katharina, Gray, 1847. Ch, tunicatus. 



422. Cryptochiton, Gray, 1847. Ch. amiculatus. 



423. Cryptoconchus, " Blainv." Swains. 1840. Ch. porosus. 



424. Amicula, Gray, 1842. Ch. vestitus. 



425. Acanthochetes, ZeacA, 1819 ; Gray, 1842, 1847. Acanthochites, 

 "Leach," Risso, 1826. Phakellopleura, Guild. 1835 ; Swains. 

 1840. Acanthochiton, Herrm. 1846. Ch. fascicularis. 



Chitonellus, sp. Guild. 1835. Ch. latus. 



426. Chitonellus, Lam. 1822 ; Gray, 1847. Chitonella, Desh. Cry- 

 ptoconchus, " Blainv.," Burrows. Cryptoplax, Burrows. Chi- 

 toniscus, Herrm. 1846. Ch. lsevis. 



427. Gryphochiton, Gray, 1847. Ch. nervicanus. 



428. ? Metopoma, Phillips, 1844. M. imbricata. 



Order V. PULMOBRANCHIATA. 

 Fam. I. ARIONID^l. 



429. Arion, Ferus. 1817. Limacia, Hartm. 1821. Shell: Lima- 

 cella, Brard. Limacellus, Turton. Limax ater. 



Limacellus, Blainv., not Brard. L. Elfortiana. 



430. Phosphorax, Webb, 183 ? P. ? 



431. Helicarion, Ferussac, 1821. Helicolimax /3, Blainv. Helix- 

 arion, Feruss. 1819. Vitrina, sp. Sow., Gray, &c. Helix 

 Cuvieri. 



432. Platycloster, Hasselt, 1824. Helicopsis?, sp. Beck. 1837. P. 

 corneus. 



433. Stenopus, Guild. 1828, Beck. St. cruentatus. 

 Ariophanta, Besmoulin, 1829. Nanina, sp. Gray, Beck. Helix 



lsevipes. 



Nanina, Gray, 1834, not Risso. Zonites, Swains. 1840, not Montf. 

 Vitrina, sp. Quoy fy Gaim. Hel. citrina. 



Macrochlamys, Benson, 1832. Tanychlamys, Benson, 1834. Na- 

 nina, sp. Benson, 1834. Helicella, sp. Beck. H. vitrinoides. 



