32 CATAI.OGUE OF CEPHALOPODA. 



Argonauta corrugata Humphrey^ Mus. Colon. 6. n. 80. 1797. 

 Argonauta sulcata Lamarck., Syst. An. s. Vert. 99. 1801. 

 Argonauta grandiformis Perry., ConchyL t. 42. f. 4. 

 Arg. striata Perry., Conchyl. t. 42. f. 4. 



Hah. Atlantic Ocean, Cape of Good Hope, Amboyna, Mediter- 

 ranean. 



a—j. Shells, different ages. From ]\Ir. Broderlp's Collection. 

 k. Shell. From Mr. Mantell's Collection. 



/. Shell. . 



m. Shell. Mus. Cracherode. 



n, o. Shell. Malta. Presented by Miss E. Attersoll. 



2. OCTTHOE RARICYATHUS. 



Animal elongate. Body acuminated behind, smooth. Arms more 

 webbed below than above, unequal ; in the following order, 1, 2, 

 4, 3 ; the second and third pairs keeled on the outer side ; the 

 third pair depressed. 



Octopus raricyathus Blainville^ Mem. Joum. Phys. Ixxxvi 393. 



1824, Did. Sc. Nat. xliii. 104. 

 Argonauta nodosa UOrb. Moll. Viv. et Fos. i.231. 



Hob. Cape of Good Hope, India. 



Shell (Argonauta nodosa) compressed, thin. Sides with transverse 

 rugag, which are longitudinally tuberculiferous ; tubercles of 

 keels rather eminent, compressed. Aperture compressed ex- 

 ternally, having two divaricate ears. 



Argonauta Ai'go Linnceus, Syst. Nat. edit. 9, 10, 11, 12. 1161. n. 



271. part ; Gmelin, Lin. Syst. Nat. var. b. e. ; Bruguiere, JSncyc. 



Meth. Vers, i. 123. var. b. ; Turton., Syst. Nat. iv. var. 4. 

 Argonauta nodosa Solander^ MS., and Portland Cat. 76. 2120, 17.; 



Humphrey, Mus. Calon. 6. n.81. 1797 ; UOrhigny, Moll. Viv. et 



Fos.\. 231. 

 Nautile papyrace Favart d'Herbigny, Diet. ii. 425, 426. 

 Paper Nautilus Kdmmerer, Cabin. Rudolst. 29. var. 6. 

 Le Nautile a grains de riz Favanne, Conchyl. i. 714. t. 7. f. a. 7. a. 



9. p. 715. 

 Argonauta oryzata Museum Geversianum, 252. n. 133. 

 Argonaute a grains de riz Montfort, Buff, de Sonnini, Moll. iii. 



307. t. 37, 38, 39. f. 1. p. 332. t. 40. p. 364. 

 Argonaute chiffonne, Argonaute a oreilles, Sonnini, Moll. iii. 307. 



t. 39. f. 2.; Martini, Conch. Cab. i. 221. f. 1. 229. t. 17. f. 156. 



t. 18. f. 166. 

 Argonauta navicula Soland. MS., and Port. Cat. 42. 1055. 

 Argonauta vitrea Perry, Conch, t. 42. f. 1. 



