LITUIDiE : LITUU8. 



115 



cular kind of fin on ench side. It has been suggested that this 

 may depend on the sex of the specimens. De Blainville's specimen 

 was a female, but the sex of the others is unknown. 



Lituus Ihown, Jam. 1756; Humph. MS. 1797. 



Ammonia Gualtieri, 1742; Breyn^ Pohjtli. 17 . 



Pedum Humph. Mus. Colon. 1797, not Lam. 



Spirula Lamch. S/jst 1801, Hist. ed. 2. xi. 280.; Blainv. Anal. 

 Franc, et etrang. Anal, et Phys. i. 369- t. 1837 ; Gray, Ann. and 

 Mag.'N. Hist. xv. 257. 234. 445. t. ; D'Orb. Moll. Viv. et Fos. i. 

 314. ; Oiven, Zool. H.M. S. Samarang, 1848. 



Spirula a. Blainv. Malac. 1825 ; not h and c. 



Spirulgea Peron &," LeSueur. 



Cornu Ammonis Rum ph. 



Nautilus sp. Lister., 1685. 



The following names have been applied to the Shells of this 

 genus, but it is impossible to determine to which of the species 

 (if they are distinct) the names belong : — 



Nautilus exiguus Lister., Hist, sive Syn. lib. iv. t. 550. f. 2. 

 Cornu Ammonis Pumph. Thesaur. t. 20. n. 1. 

 Cornu Hammonis legitimus Klein, Ostrac. 5. sp. 1. t. 1. n. 6. 

 Cornu Hammonis Gece, Monat. Belust. ou Essais Verest. t. 3. f. 8.; 



Martini, Conch. Cab. i. 274. t. 18. f. 1. 

 Lituus minor Brown, Nat. Hist. Jamaica, 398. 

 Nautilus spirula Linne, Syst. Nat. 1767 ; Schrceter, Einleitung, i. 



13.; Gmel. Syst. Nat. 3371. n. 9.; Schreber, Versuch. i. 1.; 



Burrow, Elements of Conchol. t. 12. f. 3. 

 Spirula fragilis Lamch. Syst. des An. s. Vert. 102. ; Bosc, Hist. 



Nat. des Coq. v. t. 52. f. 2, 3. ; Roissy, Buff, de Sonnin. v. 15. ; 



Montfort, Conch. Syst. 99.; Schumach. Vei's. test. 256.; If Orb. 



Moll, des Antilles, i. 64. n. 16., Moll. Viv. et Fos. i. 315. t. 16. 

 Spirula australis Johnst. Edin. Journ. A -pri], 1828, p. 74. 

 Spirula Peronii Lamarch. Llist. An. s. Vei^t. vii. 601. n. 1. ; If Orb. 



Tab. des Ceph. 68., Moll, des Canaries, 24. n. 8. ; Blainville, 



Faune Franq. 22. t. 3. b. f. 1.; Sowerby, Genera of Shells; 



Blainv. Nouv. An. du Mus. iii. 18. t. 1. ; Cuvier, Regne Anim. t. 



8. f. 1, ; Potiez et Mich. Gall, des Moll. i. 9. n. 1. ; Reeve, Conch. 



Syst. ii. 296. t. 298. 



* The posterior Part of the Body rcithout any ring, and the last 

 Whorls of the Shell exposed. — Males ? — Spirula. 



1. Lituus PROTOxrrus. 



Spirula prototypus Peron, Voy. Terres Austral, t. 30. f. 4. 1840, 

 cop. Gray, Ann. N.H. xv. t. \5. f. 7. ; If Orb. Moll. Viv. etFos. 

 1. 16. 2. ; Blainville, Man. t. . f . . ; cop. Gray, 1. c. 1. 15. f. 6. 



