LIMACINID^. ^S 



** Shell conical, turrited ; spire elongate ; axis unperf orated. 

 Heterofusus. 



7. LiMACINA RETROVERSA. 



Shell conical ; whorls 4, last very ventricose, more than half the 



length of the shell. 



Chemn. Conch. Cab. ix. 129, t. 113, 6972, 973 ? 



Fusus retroversus, Fleming, Wem. Mem. iv. 498, t. 15, f. 2; Brit. 



Anim. 349 ; Treat. Moll. Anim. t. 12, f. 45 ; Thorpe (Hanley), 



Brit. Man. Conch. 201. 

 Heterofusus retroversus, Flem. I. c. 498. 

 Peracle Flemingii, Forbes, in Thompson Rep. Brit. Ass. 1843, 249 ; 



Jeffreys, Ann. Nat. Hist. xxx. 1847, 16. 

 ? Scaea stenogyra, Philippi, Moll. Sicil. ii. 164, t. 25, f. 20. 

 ? Peracle physoides, Forbes, Rep. Brit. Ass. 1843, 132. 

 Spirialis Flemingii, Forbes ^- Hanley, Brit. Moll. 384, t. 57, f. 4, 5. 

 Scaea retroversa, Philippi, Sicil. ii. 164, from Fleming. 



Hab. North Sea. 



a — d. North Sea. From Mr. Damon's collection. 



8. LiMACINA TBOCHIFORMIS. 



Shell thin, glassy, very transparent, top-shaped, swollen, sinistral, 

 imperforated ; spire moderate, conical ; whorls 5, rapidly decreas- 

 ing in size, the last very large, swollen ; mouth oblique, oval ; 

 columella smooth and slightly arched ; fins moderate, rounded at 

 the end. 



Atlanta trochiformis, D'Orb. Voy. Amer. Merid. t. 12, f, 29 — 31. 

 Spirialis trochiformis, Eydoux et Souleyet, Rev. Zool. Soc. Cuvier, 



1840, 237. 

 Spiriale trochiforme, Eydoux et Souleyet, Voy. Bonite Moll. t. 15, 



f. 27—34. 



Var. ? Shell rather more elongate ; fins elongate, acute. 

 Hab. China. 



9. LiMACINA MacAndrei. 



Shell turrited, fusiform ; whorls 5, gradually enlarging, last not 

 so long as the spire ; mouth elliptical, rather narrow. 



? Chemn. Conch. Cab. ix. 128, t. 113, f. 971, broken. 

 ? Turbo lunaris, Gmel. S. N. i. 3587, from Chemn. 



