— 454 — 



5. Genus Argiope Eudes Desl. 

 (Megathyris d'Orb.). 



T. parva, depressa, transversa vel subirregularis, inaequi- 

 valvis, valva ventrali majore, convexa, area plana triangulari, 

 foraniine niagno incompleto pertbrata; deltidium subobsoletum ; 

 linea cardinalis recta; valva minor septis 1 — 3 prope marginem 

 magis elevatis munita; skeleton internum laqueum magnum 

 sinuosum formans. 



1. Argiope decollata Chemnitz. T. irregulariter 

 transverse ovata, compressa, ad umbones intiata, costis radian- 

 tibus 15-20 marginem vix attingentibus striisque incrementi 

 conspicuis sculpta, interstitiis granulosis; pallide fusca; margo 

 inferior semicircularis , posterior obtuse angulatus; umbones 

 proniinuli plerumque detriti; foramen permagnum, irregulariter 

 ovatum, marginis partem occupans ; deltidium minimum ; skeleton 

 in valv. infera septis 3 fortibus aequidistantibus, in supera 5, 

 fasciolisque arcuatis calcareis formatum. — Diam. 6 Mm. 



Anomia decollata Chemnitz Conch. Cab. VIII p. 96 T. 78, F. 705. — 

 (Ter.) Sow. Thes. p. 135 T. 71, F. 68-70. — lArg.) Woodward 

 Manuel p. 220 F. 126, T. 15, F. 10. - Reeve Conch. icon. 

 .sp. 43. — Seguenza Paleont. mess p. 70, — Jeffreys Br. Conch. II 

 p. 18 T. 19, F. 3. - Pr. Z. S. 1878 p. 409. - Sow. 111. T. 9, 

 F. 22. - Hidalg-o Esp. T. 55, F. 1. - Locard Cat. p. 527. 



Anomia detruncata Gmelin ed. 13 p 3347. — Philippi Enum. I 

 p. 96 T. 6, F. 14. 



Terehratula aperta Blainv. Dict. vol. 53 F. 144. 



Terebratula cardita Risso Europe merid. F. 180. 



Terebratula urna antiqua Risso Europ. merid. F. 177. 



Terebratula dimidiata et T. pectinifoimis Costa. 

 Hab. mare mediterraneum et hisitanicum usque ad Bri- 

 tanniam. 



2. Argiope cuneata llisso. T. transversa, semiorbi- 

 cularis, ad cardinem truncata et ibi latissima, costis phiribus 

 obtusis oppositis sculpta, area magna triangulari, foramine 

 maximo, incompleto; alba, interstitiis costarum laete sanguineis; 

 valvuLa infera intus septo unico tantum munita — Diam 3^12 Mm. 



Terebratula cuneata Risso Europe merid IV p. 388 F. 179. — 

 Philippi Enum. I p. 96 T. 6, F. 13. - Sow Thes. I p. 355 T. 71 

 F. 83. 84. — Reeve Conch. icou. sp. 44. — Chenu Mau. F. 1076. — 

 Jeffreys Pr. Z. S- 1878 p. 410. - (Cistella) Monteros. En. e Sin. 

 p. 3. - Locard Cat. p. 529. 



Terebratula Soldania Risso Eiirope m^rid. IV p 388 F. 178. 



Anomia pera Miihlfeldt Verh. Berl. Ges. I 1829 p. 205. ~ (Orthis) 

 Philippi Enum. II p 69. - (Arg.) Brusina Contr. p 47. 



Terebratula scobinata Cantraine Bull. Brux. II p. 400. 

 Hab. e mediterraneo usque ad Britanniam. 



3. Argiope cordata Risso. T. minima, orbicularis, 

 transversa vel ovata, in fronte emarginata, compressa, densis- 

 sime punctata, foramine incompleto, magno ; albida ; margo inter- 



