sH 
Contorta. 
WORMS. TESTACEA. 84. PateUa. 
,1J< 
.ill' 
Shell granulate with white, with very fine perpen“*^, j' 
oblique ribs : lip very thin oblique and covering 
the cavity. ^ 
Walch Naturf. 9. t. j.jf*’. 3, 4. hleufchen Nalurf. 18. t. Z«/‘ 
Martini Neuejl. Mannigf. l. /. ,i,y. 3, 4. 
z. Martini Neueff. Mannigf. i. t. f. 5, 6. 
Inhabits—— very rare. Shell whitilli, within pale brown- 
Explanata. Shell white, very finely flriate: crown inclining down"'®'^ 
and dilated, behind which the fhell is dcprelled 
Inhabits Meufchen. Naturf. l8' tab, z. f‘g. ti. c. 
plicata. Shell conic ochraceous, with ferruginous rays within? 
longitudinal tranfverfely liriate plaits. 
Inhabits— Mra/rA Naturf. 18. tab, z.fig. 12. 12. a. 
Cronun placed in the middle ; margim thin acute. 
Striata. Shell white conic flriate, with undulate grooves : cro''^*’ 
little lateral. 
Inhabits — Naturf 18. tab, z.fig. 13. 
Solea, Shell a little twilled, pellucid with ferruginous 
thinly plaited and tranfverfely grooved above: - 
undulately repand. 
Meufeh, Naturf. 18. tab. Z.fig. 15. 15. b. 
Inhabits.. foraething more than half an int^i long. 
Echinata. Shell conic prickly, within glabrous. 
Martini Neuefl. Mannigf. 1 . tab. \. fg.j, 2 . , 
Found foffile near Crignon, calcareous whitilh, covet^*^ 
the outlide with prickles. 
^ B. With the margin angular or irregularly taathed, 
CrepiJula, Shell oval flattifh fmooth, the lip flat behind. 
Gualt. test. tab. 69. H. Adans feneg. 1. 1 . z.f 9? 
Inhabits Mediterranean, efpecially about Barbary, 
Shell hyaline fubdeprelTed, with a femilunar lip. 
^aeiniofa. 
tl'!' 
Shell with elevated unequal ra]jts, thicker and obtufe oP 
outiide. 
Rumpf. Muf. tab. 40. C. Argenai. tench, t. 2. O. .gi, 
Knorr Vergn. 6. /. 'yO- f. 2 — 4, 7, 8. Mart, conch, t. t. 
Inhabits Shell brown, tranfverfely ftriatc betwee® 
rays, the rays white: cronvn broad, relembling 2 white e) 
Saccharina. Shell angular with 7 carinate obtufe ribs. 
Lister tab. 532. fig. -lb. Argen-v,' conch, tub. 2. M. 
Rumpf. muf. tab. 40, B. Petit', amb. t, ‘^.f 3. 
Klein oflr. tab, S.fig. 4. Murray tsf, t. i.f. 6 , 
