WORMS. TESTACEA. 51. Cypraea. 167 



Shell minute, arched on the back, with 7 joints. 



3j4. N. semililuus. Opake, brown, elongated, slightly 

 arched, incurved at the tip, with raised joints : aper* 

 ture with a small produced siphon. 



Adams Micr.t.x\.f. ,38. Walker /. 73. Minute. 



3J5. N. Legumen. Subconic, nearly straight, compressed, 

 jointed, margined on one side, with a lateral 

 siphon. 



Montague Br. Shells, sztpplemen. tab xg.f.6. 



Shell minetc, cultrate at the tip on one side, slightly curved on 

 the other. 



£3g. N. rectus. Opake, brown, nearly straight, smaller 

 at the end ; with smooth depressed joints: aperture 

 a small siphon. 



Walker minute shells/. 7 4. Montague p. 1 97. ' 



33T N. Radicula. Opake, brown, subconic, nearly 

 straight, with 8 or 9 smooth subglobular joints. 



Montague Brit, shells, t. 14./, 6. t. 6.f. 4. 



Shell with sometimes from 2 to 5 joinst, the. terminal-one 

 sometimes much produced, sometimes short : aperture a small 

 siphon. - ' . . - ■ 



33g. N. sbarcuatus. Glossy- white, pellucid, subcylin- 

 drical, slightly curved, wfth 3 globular joints, the 

 rest hardly defined. 



Montague Brit. Shells. p. 198. t.S.f. 5. Minute. 



Shellohen covered with a brown skin, and varying in having 

 sometimes 10 distinct joints. 



J39- N. jugosus. Opake, brown, subcylindrical, slightly 

 curved, with 9 subglobular ridged joints. 



Montague Brit. Shelis. t. 14./. 4. Minute. 



340. N. costatus. Siibcylindrical, straight, with 12 raised 

 joints furnished with 4 equidistant strong ribs running - 

 the whole length of the shell. 



Montague t. x\.f. 5. Joints sometimes only 6. 



51. CYPRyEA. CWn/, 



41. C,. Pediculus. With numerous transverse furrows, 

 some of which are forked. 'Nun. 



BorLCornw. t, 28./. 12. Donov. t. 43. Da Cofia t. 2./. 6. 



2. Smaller, pale, purplish or flesh-colour, without spots. 

 Borl. Oornw. t. 28./. 13. Br. Zool. t. -jq.f. 82. 



Shell above half an inch long, glofsy, tumid on. the back, pale 

 purple or whitish, and generally marked with 2 or 3 dark spots 

 down the back, but sometimes without the-m, crofsed with 

 transverse raised striae some of which are divided by interme- 

 diate shorter-ones. 



342. C. bullata. Smooth, white, thin, pellueid, slightly 

 produced at the top into 2 or 3 small convolutions. 



Montague Brit. Shells, p. 202. tab. 6./. x. 



Shell resembling the last, sometimes without transverse striae ; 

 sometimes faintly striate half way from the back to the inner- 

 lip, the other half finely striate longitudinally ; margin of the 

 oater lip not thickened* 



