357 



rounded and nearly obsolete ; dorsal valve acuminated behind, 

 with a large incomplete triangular perforation ; cardinal area of 

 moderate size, flattened, with small, narrow deltidia; ventral valve 

 transverse, with a straight hinge line; internal appendage con- 

 sisting of a single elevated central ridge ; inner margin of the 

 valves thickened and granulous. 



From deep water at Drepani ; in Mr. Cuming's Collection. 



28. Terebratula sanguinea (pi. kxi. f. 71-73.) nobis. Anomia 

 sauguinea, Chemn. T. erythroleuca Qwy. 



Testa suborbiculari, antice subemarginata, gibbosiuscula, tenui, 

 sanguinea, radiis maculisque radiautibus albidis ornata ; linea. 

 marginali recta, antice subsinuata ; valva dorsali postice subacumi- 

 nata, truncata, foramine mediocri, integro, area cardinal i latiuscula, 

 marginibus subacutis, deltidiis majusculis, coalescentibus ; valva 

 ventrali depressiuscula, transversim obovata, antice subsinuata, 

 ossiculo interno primilm format radios duos, deinde annulum cen- 

 tralem et amenta dua lateralia, demum amentum superum reflexum 

 annulo centrali adjunctum ; margine valvarum integro. 



Shell suborbicular, slightly notched in front, rather gibbous, 

 thin, of a bright light red colour with white rays and radiating spots ; 

 marginal line straight, slightly sinuated in front ; dorsal valve 

 rather acuminated behind and truncated ; perforation middle-sized, 

 complete ; cardinal area rather broad, with sharpish edges ; delti- 

 dia rather large and united ; ventral valve somewhat depressed, 

 transversely obovate, slightly sinuated in front ; the internal ap- 

 pendage at first forms two rays, then a central ring and two lateral 

 loops, and at length a reflected dorsal loop united to the central 

 ring ; margin of the valves entire. 



From the Island of Zebu, attached to Coral under stones ; 

 H. Cuniing. 



29. Terebratula rosea (pi. lxxi. f. 74-77.) Humphrey. 



Testa oblongo-ovali, subdepressa, postice subattenuata, crassa, 

 rosea, albicante, radiatim picta ; valvis subsequalibus, lsevibus ; 

 linea marginali subflexuosa, antice reflexa ; valva dorsali majori, 

 postice subproducta, truncata, foramine rninimo, integro ; area car- 

 dinali latiuscula, cum deltidiis coalescentibus, sulco mediano dis- 

 cretis ; valva, ventrali ovali, antice paululum rotundato-attenuata ; 

 linea marginali ex umbone ad utrumcme latus dechvi, ossiculo in- 

 terno costa elevata, porrecta, simplici constante ; margine valvarum 

 integro. 



2 F 



