35 o WORMS. TESTACEA, 74. Bulla. 



Naucum. Shell rounded pellucid, (lightly ftriatc tranfverfely and per* 

 fo rated at each end. 

 Lifter, tab. 7 14. fig. 73. Rump/ Muf. tab. ZJ, H. 

 £ona?t. recr. and Muf Krrch. 3. fig. 4. 

 Gualt, teft. tab. 13. G G. Argenv. conch, tab. W. Q^ 

 Seba muf. 3. tab. 38. fig 2, 3. 

 Knorr. Vergn. 6. /#£. "$§> fig. 2, 3. 

 Martin, conch. 6, /#£• 38 /$g. 2, 3. 

 Martini conch. I. /*£. 22 _/fc. 200, 2GI» 

 Inhabits the African and Indian Seas : an inch long. 

 ££i//thin, fometimes glabrous on the middle of the back. 



* Aperta, Shell roundifh pellucid, tranfverfely fubftriate, one end much 



produced : the aperture^ very open. 

 Gualt. te>t. tab. 13 Jig, E E 

 Martini conch 1 p. 2b 6 'Vign. l^.fig. 3. 

 Schrcet. b ml in conch, i. /#t?» x.fig. 2. a, b. 

 Fa*vann co*ch. tab. 27. F' 7 

 Chemn. conch, 10. /«£. 146. jfig. I 354, 1 355. 

 £. patula. Brit. Z00L iv. p. 117. /a/>. 70. fig. 85, A. 

 /)# Co/'^ Brit, conch, tab. 2 < ^f. 3, 

 Inhabits Europe and Africa. 6/W/fmall, one end much produced 



and fufifojm j the Ipvyer-hp very much ipread out. 



flydatis. Shell rounded pellucid and flightly ftriate longitudinally ; 

 crown umbilicate. 

 Gualt y test. tab. \y fig. D D, 

 Chemn. conch, 9. tab. I 18. fig. 1019. 



Inhabits the Mediterranean j about the fize of a (mall pea, and 

 reiembles the laft. 



* Ampulla, Shell rounded, obtufe at one end; crown umbilicate. 



Lifter, tab. 71 3, 7 1 4. fig. 72. 7 1 5 fig. 74. 



Rumpf. Muf. tab. 27. G. Leffer tat ftg, 31. 



/V. G«2. /a£, 50./^. 13. /. 99-/. I4» 



Gretv muf. tab. 9. /%. 7, 8. 



Gualt test. tab. 12. E, F, I. 



Murray test, tab* l-fig- 9* 



Seba muf. 3, ta£. 38 fig. 34—44 



Knorr Kergn. 2. tab. S.fig. I— 5. *, 1 7./. 6. 



MartintTconch. I. /a£. 21. /%. 188--193. /. 22./. 202--204. 



Inhabits moil fea Coaits ; 2- -3 inches long. 



Shell white marked with various fhades and fpots of red brown and 

 blue, with fometimes flexuous black or grey lines ; the inner 

 fide lapping over the pillar (o as to render it invjfible. 



• Lignaria, 





