AUHictn-nxa:. 7 



and Hanley referred it to Pyramidellidce, describing the animal 

 as having "an armed tongue and jaws; branchial plume single ?"; 

 and Dr. Gray (1854) showed that the animal, instead of having 

 gills, respired free air in a closed branchial cavity, and had teeth 

 like other Pulmonata. 



1. Otina otis. B.M. 

 Shell depressed, semiovate, rather solid, very slightly striated, 



covered with a thin periostraca, rather shining, brown, generally 

 eroded when adidt ; spire minute, slightly mucronate ; whorls 

 two and a half, the penultimate one somewhat compressed ; 

 aperture nearly horizontal, ovate-oblong ; peristome nearly con- 

 tinuous, with the columellar margin liver-coloured. Length 3, 

 breadth nearly 2^ mill. 



Helix otis, Turt. Conch. Diet. 70. 

 Velutina otis, Flem. Brit. Anim. 324. 



Forb. Mai. Mon. 29 ; Brit. Mar. Conch, pi. 153. f. 4. 



Alder, Cat. Moll. Northumb. 69. 



M. E. Graij, Fig. Moll. Anim. iv. 82. pi. 103. f. 8. 

 Galericulum ovatum, Brown, HI. Conch. Gr. Br. 23. pi. 19. 



f. 27, 28. 

 Galericulum otis, Brotcn, III. Conch. Gr. Br. 24. 

 Otina otis, Clark in Ann. ty Mag. N. H. vi. 448. 



Forb. § Hani, Brit. Moll. iii. 321. pi. 99. f. 2, 3. 



A. Adams in Proc. Zool. Soc. 1851, 225. 



H. $ A. Adams, Gen. rec. Moll. ii. 249. pi. 83. f. 5. 



Pfr. Mon. Auric. 12. 

 Hab. Coasts of Great Britain. 



2. Otina zonata. 



Shell semiovate, rather solid, sculptured with slight arched 

 wrinkles and irregular spiral striae, not shining, whitish or flesh- 

 coloured, variously girdled with fuscous or pale reddish-brown 

 bands ; spire minute, papillate ; whorls two and a half, the last in- 

 flated ; aperture diagonal, roundish-ovate, pearly shining within ; 

 peristome interrupted ; right margin straight, regularly arcuate ; 

 columellar margin broad, flat, white. Length 10, breadth 8, 

 height 4£ mill. 



Velutina zonata, Goidd, Invert, of Massach. 242. f. 160. 

 Otina zonata, A. Adams in Proc. Zool. Soc. 1851, 225. 



Pfr. Mon, Auric. 12. 

 Hob. United States ; Massachusetts, Chelsea Beach. 



8. Otina fusca. 



Shell semiovate, rather solid, obliquely striated, decussated 



