WORMS. TESTACEA. 71. Nautilus. 399 
Lederm | Mierofe. tab. 4. X. upper figure. tab. 8. F, 
Plane: conch tab. X. fig. 6. Gualt. tef. tib. 9. L, M. 
Inhabits the Miete and Mediterranean : minute. 
Cravux: Shell ovate oblong, with thick divifions marked with 8 in- 
tefrupted ele vated itriz: fiphon oblique. 
Inhabits the Mediterranean; minute: diftinguifhed from the 
* Jaft in having the ftris at the point of the divifions a little 
contraéted. 
Radicula. Shell usos CU with thick Hn divifions. 
" Lederm. microfe. tab. 8. fig. e. te 4-18 
Plane. conch. AA. tab. Y fig. 5. 
Inhabits the Adriatic; very rare and minute: mnphon a litis - 
lateral. 
Fafia. Shell with ftriate divifions and fmooth elevated joints. 
Gualt. test. tab. 19. O. Mart. conch. 1 - uign. 1. D. 
Inhabits the Adriatic: very fmall. 
Shell conic, with crowded ftria, obtufe at the tip and denticu- 
late at the margin; the fiphon central, 
Inequalis, — Shell cylindrical with 8 divifions, the fecond and third very. 
|. fhort: aperture margined. 
Spengl. Schr. Dan. 1. tab. 2. fig. 10. a—c. 
Inhabits the Red Sea: very minute and clear white, 
Siphunculus Shell fmooth with ¢ylindrical remote divifions, the joints 
tapering cylindrical, 
Gualt. tef. tab. 19. Sigs R, S. 
Martin. conch. Y. vign 1. fig. F. FE, 
Inhabits feas of Sicily, adhering to coral rocks. 
She el/ minute, with 11 divifions alternately narrower and broader, 
Legumen. Shell _compreffed jointed and margined at one end: fiphon 
JeRIEA lateral; 
Gualt. tefl. tab, 19. P. Lederm. micr. tab. 8. fig. g. 
Martin. conch. Y. vign. 1. fig. e, E, I. 
Inhabits the Aadriatic. Shell minute fabconic, the tip cultrate 
on one fide and flightly curved on the other. 
Orthocera, Whorls of the fhell with carinate ftriz. 
: "Scheucbz. Helv. 7. fig. 8. Diluv.g384 — 
Inhabits the Ocean and is frequently found foffile. 
