'/wiTt 



U^'' 



HA 



2. Galerus, n. '2G\K 



1. G. cliiiu'usis. Calvptia'ii sinensis, Des/<ffj/e.v, t. 130. f. 1 ; Forbea 

 <5- Hunleij, B. Mull. t. 1315. f. 8-13. 



3. Crucibulum, n. 270. 



1. C. lignarium. Cahiitraa 1., D'Orh. t. 130. f. 2. 



4. Calyi'TRA, n. 271=:Litlie(liiphus, Oioen. 

 1. C. eqiiestris, Oiven, Trans. Zool. Soc. 



5. Trochita, n. 272. 



1. T. radians. Crepitlula r., D'Orh. t. 5S*. f. 3. 



2. T. pilous. Crepidula tomcntosa, Qiioy, t. 5S*. f. 1. 



3. T. occidentalis, n. s. CalyptiiXia cliinensis, GuUdhuj, t. 130. f. 2. 



?Fam. 20. Phoridcp, ]). 15S. 



Muzzle conical, produced. Foot small, dilated in front. Opcr- 

 ciUum large, horny, subanmdar. 



1. Phorus, n. 273. 



1. P. conchyliophorus. Gray, t. . 



2. Onustus, n. 274=Astraliuni, Mus. Berl. 1818. 



1. O. indicus, Adams, t. 122 o. f. 2. 



2. O, javanicus, Adams, t. 122 a. f. 1. 



? Fam. 21. Vanicoroidce, p. 156. 



Foot small, circular, ]iroduced in front, with a dilated mend)rana- 

 ceous ex|)ansi(m on each side. Muzzle conical, wrinkled. Opercu- 

 lum hornj% thin, ovate ; m horls few, upper very small. \/^^^L^ J 



1. Vanicoro, n. 256. 



1. V. Souleytana. Narica S., Reclus, 1. 128 a. f. 1. 



2. V. cancellata. A^dutina c, Quay, t. 103. f. 8. 



E. Shell free, spiral. Gill plumose, exposed j lamina; jiinnate, spi- 



rally twisted. Operculum horny, .spiral; whorls many, with 

 a thin raised edge. Teeth, central 1, lateral 3"3. 



Fam. 22. Valvatidce, p. 15(5. 



1. Valvata, n. 254. 



1. V. cristata, Gruithuisen, t. 12Gff. f. G ; Sturm, t. \2G. f. 3; Chioje, 



1. 126. f. 1 ? 



2. V. plauorbis, Sturtn, 1. 126. f. 2. 



F. Shell free, .spiral. Gills inclosed, on left side of mantle-cavity. 



Operculum spiral, rarely wantiny. Teeth numerous, similar 

 {like BuUidae and lanthinidsc). Muzzle elongate, retractile. 



Fam. 23. Scalariad(e=:Scalarina, p. 155. 

 Teeth, central none, lateral many, uniform, hook-like, the outer 



