338 



dienus xix. 



NAUTILUS: 



SHELL UNIVALVE, DIVIDED INTO SEVERAL CHAM- 

 BERS, AND THE PARTITIONS PERFORATED. 



Stibdivisions.lf 



Spiral, with contiguous whirls. 

 Spiral, with detached whirls. 

 *** Elongated, and almost straight. 



#* 



* Spiral with contiguous Whirls. 



pompilius. 1. Shell with the aperture heart- 

 shaped ; whirls obtuse, smooth ; spire invo- 

 lute and concealed. 



Nautilus Pompilius. Linnaus Syst. Nat. p. 11 62. Born 

 Mus.p. 143. Schroeter Einl. i. p. 8. Gmelin, p. 3369. 

 Lamarck Syst. des Anim. p. 100. Shaw Nat. Misc. 

 xiii. t. 515, andxiv. t. 580, 581. 



Le grand Nautile flambe. Favanne, i. p. 721. t. 7. f. 

 D 2. 



Bonanni Rec. and Kirch, i. f. 1 and 2. Lister Conch, t. 

 550. f. 1 and 3, and t. 551. Rwnphius, t. 17. Petiver 

 Gaz. t. 99- f- 9, and Amb. t. 3. f. 7- Gualter, t. 17, 

 and t. 18. Klein Ost. t. 1. f. 1. Argenville, t. 5. f. E 

 and F. Seba, iii. t. 84. f. 1 to 3. Knorr, i. t. 1. f. l 

 and 2, and t. 2. f. 3. Martini, i. Vign. at p. 226, and 

 t. 18. f. 164, and 1. 19- f. 165 to 167- Geve, t. 1. f. 1. 



f N. Belemnita, p. 3373, and N. Helicites, p. 3371 . of Gmelin are Fossil, and 

 the Linnaean N. Orthocera is too uncertain a species to be retained. 



