351 



nal area narrow, rounded at the sides, with rather large united 

 deltidia ; ventral valve ovate, with a broad mesial groove forming 

 a sinus in front ; internal appendage as in 1\ Australis ; margin 

 of the valves quite smooth. 



Prom Japan ; in Mr. Norris's Collection. 



16. Terebratula picta (pi. lxx. f. 43, 44.) Anomia picta. 

 Chemn. vol. xi. f. 2011, 2012. 



Testa ovata, postice subacuminata, tenui, rubra, macuhs albidis 

 subradiatim picta, valvis subiequalibus, glabris, linea marginali 

 recta, antice obsoletissime sinuata ; valva, dorsali postice subacu- 

 minata, carina mediana nulla ; apice subrecurvo ; foramine parvo, 

 integro ; area cardinali parva, ad lateres rotundata, deltidiis parvis, 

 angustis, coalescentibus ; valva, ventrali subplanulata, sulco medi- 

 ano nullo ; ossiculo interno magno ; margine valvarum integcrrimo. 



Shell ovate, slightly acuminated posteriorly, thin, red, marked 

 with somewhat radiated white spots, valves nearly equal, smooth ; 

 marginal line straight, very obsoletely sinuated in front ; dorsal 

 valve acuminated posteriorly, without any mesial ridge, its apex 

 recurved, with a small entire perforation ; cardinal area small, 

 rounded laterally, with small, narrow, united deltidia ; ventral 

 valve flatfish, without mesial furrow ; internal appendage large ; 

 margin of the valves quite entire. 



Prom Java; in Mr. N orris's and other Collections. 



17. Terebratula rubicunda (pi. lxx. f. 45, 46, 47), nobis, 

 T. sanguinea, Quo//, Astr. 



Testa suborbiculari, postice subacuminata, gibba, glabra, rubra, 

 valvis ina?qualibus, subirregularibus ; linea marginali ad lateres 

 subflexuosa, antice sinuata ; valva dorsali, postice producta, trun- 

 cate, foramine magno, obliquo, subintegro ; area, cardinali rotun- 

 data ; deltidiis magnis, distinctis ; carina dorsali lata, prorninente, 

 utrinque rotundato-angulata, obtusa; valva, ventrali subpentago- 

 nali, postice angustiori, mediane lata, rotundato-subangulata ; an- 

 tice subtruncata, sulco mediano lato, conspicuo ; ossicido interno 

 magno, fere ut in T. dorsatd efformato ; margine valvarum in- 

 tegro. 



Shell nearly orbicular, rather acuminated posteriorly, gibbous, 

 smooth, of a red colour ; valves unequal, rather irregular ; mar- 

 ginal line slightly flexuous on the sides, sinuated in front ; dorsal 

 valve produced behind, truncated, with a large, oblique, nearly 

 entire perforation ; cardinal area rounded, deltidia large, separate ; 

 mesial ridge broad, prominent, angularly rounded and obtuse on 



2e2 



