— 391 — 



p. 42. - (Turtonia^ Alder Cat. North. ii. 95, — Forbes et Haii- 

 ley 11 p. 81 T. 18, F. 7. - Sow. 111. Iiul. T. fi, F. 4. - (0.) 

 Jeffreys Br. Coiich. II p. 2r.O T. 23, F. 4. - Weinkauff irittelm. 

 p. 96. 

 Mya purpurea Montagu Test, Brit. Suppl. p. 21. 



Hab. mare niediterraneum et Oceaniim atlanticum. 



22. Familia Cliamidae. 



Genus Chama Linne. 



T. irregularis, inaequivalvis, adbaeren.s; natibus incurvis, 

 inaequabbus. Cardo dente unico crasso obiiquo tuberculato , in 

 Ibssula valvae oppositae inserto; impressiones musculares 2 

 distantes laterales; ligamentum externum, de[)ressum. Lam. 



1. Chama gryphoides Linne. T. affixa, irregularis, 

 valde variabilis, imbricata, lamellis brevibus ad])ressis, plicatis, 

 fornicatis subaspera, plerumque alba, interdum squamis rufes- 

 centibus ; valva sui^era plerumque minor, apice umbonis detrito, 

 inferior major, apice umboiiis Ubero, spirali, dextrorso; dens 

 cardinalis valv. inferioris brevis, crassus, compressus, saepe 

 striatus ; valv. superioris humilior, subsinuatus, intus fovea super- 

 ficiaU munitus. — Diam. 25 Mm. 



Chaiiia gryphoides Linne ed. 12 p. 1139 — Chcmnitz Conch. Cab. 

 VII f. bl, F. 510-613. - Lam. VI p. 581. - Philippi Enum. I 

 p. 6S. — Weinkauff Mittelm p. 150. — Locard Cat. p. 458. 



Chama asperella Lam. Desh. VI p. 5R4. 



Chama aculeata, cavernosa et Lazarus Risso Eur. merid. IV p. 329. 

 Var = Ch. unicornis Phil. Enum. I p. 68 nec Lara. 

 Hab. Mare MediteiTaneum. 



2. C h a m a s i n i s t r o r s a B r o c c h i. T. irregularis, prae- 

 cedente multo crassior et robustior, imbricata, squamis inaequa- 

 libus pleiisque appressis; apex valvulae inferae sinistrorsus ; 

 dens cardinalis valvulae inferioris crassissiinus, obtusissimus, 

 crenulatus; valv. superioris humillimus, parum distiiictus, sed 

 fossa magna, profunda, adjacente crenulatus. — Diam. 25 Mm. 



Chama siuistrorsa Brocchi Conch. foss. subapp. p. 519. — Weinkauff 



Mittelm. p. 151. - Chemnitz Conch. Cab. IX T. 116, F. 992. 993. 



— Locard Cat p. 459 — Negante Monterosato. 

 Chama gryphiua Lamarck VI p. 587. — Philippi Enum I p. 63. — 



Reeve Conch. icon. sp. 43. -- Slonterosato Euum. e Sin. p. 11. 

 Chama christella Doublier Prodr. Var p. 111. 



Hab. niare mediterraneum. 



3. Chama circinata Monterosato. „Destrorsa; 

 dimensione intermpdia, orbicoiare; squame lamellose e continue ; 

 coralligena." — Mts. 



Chama circinata Mnuterosato Eiium. e Siu. p. 11. 

 Hab. mare mediterraneuni et adriaticum. 



