OCYTHOIDiE I OCYTHOE. 
31 
e, /. Mediterranean. In Argonaut shell, expanded and con- 
tracted. 
g. Indian Ocean. In Argonaut shell, contracted. Pre- 
sented by Capt. Sir Edward Belcher, C. B., B. N. 
Shell (Argonauta Argo) compressed, transversely ribbed on the 
sides, adorned with unequal bifurcated ribs. Keels two, approxi- 
mate, tuberculiferous ; tubercles small, very frequent. Aperture 
compressed, sagittate, truncated in front. 
Argonauta Argo Limn. Syst. Nat. 10. edit. 708. n. 231., Mm. Lud. 
Ul. 5 48. n, 148., Syst. Nat. 12. ed. 1161. n. 271.; Born , Ind. 
Mus. Cces. 119. a. 1., Test. 140, Vign. 139.; Gmel. Syst . Nat. 
3367. ; Brug. Enc . Meth. Vers. i. 122. ; Walfen, Nov. Act . 
Phys. Nat. Cur. viii. 235.; Olivi , Zool. Adriat. 129.; Schreibers , 
Conchylien , i. 1. n. 1.; Turton , Syst. of Nat. iv. 304.; Duvernoy , 
Diet. Sc. Nat. iii. 102.; Fischer , Mus. Demidow , iii. 245.; Wood , 
Zoography , ii. 579.; Montfort , Conchyl. ii. t. 6, 7.; Often, 
Lehrb. der Zool. ii. 336. ; Brooke's Introd. to Conchol. 90. t. 5. 
f. 53.; Burrow, Elements of Conchol. 75. t. 12. f. 1. ; Brown, 
Elements of Conch. 65. t. 7. f. 18.; Dillwyn , Descr. Cat. i. 333.; 
Schumacher, Ess. d'un Nouv. Syst. 268. ; Ranzani , Consid. su i 
Moll. Cefalop. del Argon in Opusc. Scient. et Mem. di Stor. 
NaL dec. 1. p- 85. t. 6. f. 1.; Lamarck , Anim . s. Vert. 2d edit. viii. 
652. n. 1.; Sowerby, Genera of Shells ; Ferussac , Diet. Class, i. 
552. n. 2.; Mawe , Linn. Syst . Conchol. 79. t. 18. f. 1.; De 
Martins , Reize nach Venedig, ii. 438. ; Wood, Ind. Test. 62. t. 
5. f. 1. 2d edit. t. 13. f. 1. ; D'Orb. Prodr. 47. n. 1.; Feruss. 
Not. sur VAnim. du Genre Argonaute, in Mem. Soc . I Hist. 
Nat. Paris, ii. 160. t. 14.; Poli, Mem. sul Nautil. o Argon. Arg. 
VAntologia, 58., Test, utriusq. Sicil. iii. 1. t. 40. to 43., 
Ann . of Philos, 1825, 152.; Payradeau, Cat. Moll. Corse, 172. 
n. 348. ; Risso, Hist. NaL Eur. Merid. iv. 4. ; Blainville, Diet. 
Sc. Nat. xliii. 212., Malacolog. 494. ; Rapp, Ueber die Natur- 
wiss. Abhand. i. 67. t. 2. f. 1, 2. ; Mauriani, Giorn. de Fisica, 
ix. 390. ; Broderip, Zool. Joum. iv. 57. and 224. t. 3. ; Costa , 
Cat. de Test. n. 1. 61. ; Delle Chiaje, Mem. sul. Stor . Nat . ii. 
219. ; Blanchart, Bullet. Soc. Linn. Bord. iii. liv. iv. 195. ; 
Eichwald, Zool. Spec. ii. 34. ; Guerin, Iconog. Reg. An. Moll. t. 
1. f. 3. a. 6.; Philippi, Enum. Moll. Sic. 240.; Potier et MU 
chaud, Gal. de Douai, 2. n. 1. ; D' Orbigny, Moll, des Antilles, i. 
24. n. 5. ; Reeve, Conch. Syst. ii. 305. t. 300. 
Nautilus papyraceus Martini, CGnchyl. Cab. i. 230. t. 17. f. 3 57. ^ 
Shaw, Nat. Miscell. iii. t. 101. ; Cubieres, Hist, abreg. des Coq. 
43. t. 4. f. 6. 
Argonaute papyrace Bose, Buff, de Deterv. Coq. iii. 261. t. 27. f. 
6. ; Montfort, Buff, de Sonnini, Moll. 119. t. 35. 
