398 WORMS. TESTACEA. +71. Nautilus; 
| Argenv. conch. tab. 5, G,. Breyn. "^ 21. fig. 2. 
Klein offr. tab. V. fig. 6. d di app. tab. 11. fig, 49. 
Knorr Vergn. 1. tab. 2. fig. 
Martin. conch. 1. tab. 20. * 194, 185. 
Inhabits the 4merican and Indian Oceans; about an inch in dis 
~ ameter; whitifh, within fhining like mother of pearl; orbicular, 
the whorls gradually decreafing inwards, the firft a little Rraight, 
fiphon contiguous to the walls of the fhells, 
Spengleri. Shell fmooth with 4 conic tubercles. 
Spengler Schr. Dan. Ges. 1. tab. 2. figs 9. b. c. 
Inhabits India ; wy minute. 
Unguicule- Shell diaphanous, ihe middle partitions protuberant outwards: 
fu. | ^ ' * furface with 6 conic tubercles. 
Spenglar Schr. Dan. 1. tab. 2. fig. 9. d. 
Inhabits India; very minute thin white polifhed and lightly © 
1 ribbed. 
C. Elongated and firaightifae 
Semilituus. Shell incurved fpiral at the d whorls contiguous. 
Column. phytob. 2. tib. 28. fg. D 
Martin. conch. 1. tab. 20. fig. 186, 187. 
Inhabits Croatia: very minute, convex; the Betton appearing 
outwardly, fometimes umbilicate. 
Lifuin. Shell fubconic, with globular. diyifions Bowing gradually 
t lefs: the tip incurved fpiral. 
Spengl. Schr. Dan. 1. tab. 2. : fe. 10, C—g, 
Klein Danz Neturf. Schr. 2S tab, 1, a. 
Inhabits the Red Sea; found frequently fofüile, i 
Obliguuse Shell ftraight with a fight curvature ; Yon divifions oblignely 
AE flriate.  - 
Gualt teft, tab. 19. ft. N. 
Martin, conch. augn. 1. fig; H, N. 
Inhabits the Mediterrancan and Adriatic. Shell minute, with 
a i crenate circumference; the fiphon central. 
Rapbamif- Shell fubcylindrical with thick divibone Ap oUm w ith 13 
trum. . elvated ftriz : fiphon central regular. 
Lederm. Microfc. tab. 4. fg. X. lower figure. 
Inhabits the Adriatic and Medzterranean Seas. 
Raphanus, Shell jointed, the divifions thick with 17 elevated ftriz: 
fiphon fublateral onus . il 
Lederm 
