351 



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

 deltidia ; ventral valve ovate, ^^"ith a broad mesial groove forming 

 a sinus in front ; internal appendage as in T. Australis ; margin 

 of the valves quite smooth. 



From Japan ; in Mr. Norris's Collection, 



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

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



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

 subradiatim picta, valvis subtequaHbus, glabris, linea raarginali 

 recta, antice obsoletissime sinuata ; valva dorsali postice subacu- 

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

 integro ; area cardinali parva, ad lateres rotundata, deltidiis par\ns, 

 angustis, coalescentibus ; valva ventrali subplanulata, sulco medi- 

 ano nullo ; ossiculo interno magno ; margine valvarum integerrimo. 



Shell ovate, shghtly 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 flattish, without mesial fui'row ; internal appendage large ; 

 margin of the valves quite entire. 



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



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

 T. sanguinea, Qiioi/, Astr. 



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

 vahis ingequabbus, subirregularibus ; linea marginali ad lateres 

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

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

 data ; deltidiis magnis, distinctis ; carina dorsaK lata, prominente, 

 utrinque rotundato-angulata, obtusa ; valva ventrali subpentago- 

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

 tice subtruncata, sulco mediano lato, conspicuo ; ossiculo interno 

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

 tegro. 



Shell nearly orbicular, rather acuminated posteriorly, gibbous, 

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

 ginal Hne sliglitly 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 



2 k:J 



