180 PROCEEDINGS OF THE GEOLOGICAL SOCIETY. [June 15, 



Cythebea orbicularis, sp. nov. PL X. fig. 53. 



C. testa orbiculari, insequilaterali, convexiuscula, solida. transversim tenuiter stri- 

 ata; natibus obliquis, prominentibus. Long. 11; lat. 11 unc. 



Kateru, rather rare. 



Cttheeea Wilsomt, sp. nov. PI. X. fig. 54. 

 C. testa ovato-trigona, subseqiiilaterali, complanata, transversim tenuissimo 

 striata ; natibus minimis. Long. - 7 ; lat. -8 unc. 



Kateru, frequent. Named after the Rev. Dr. Wilson of Bombay, 

 the distinguished orientalist. 



Cytherea "Wapsharei, sp. nov. PI. X. fig. 55. 

 C. testa ovata, subtrigona, convexiuscula, inajquilaterab, tenuiter striata ; natibus 

 parvis. Long. - 6 ; lat. "7 unc. 

 Kateru, rather rare. Named after Major Wapshare. 



Cytherea Rawesi, sp. nov. PI. X. fig. 56. 

 C. testa ovata, convexa, solida ; striis accretionis irregularibus ; natibus promi- 

 nentibus. Long. -86 ; lat. -91 unc. 



Kateru, rather rare. Named after Mr. Rawes. 



Cytherea Jerdoni, sp. nov. PI. X. fig. 57. 

 C. testa ovata, convexiuscula, inpequilaterali, postice producta, tenuiter striata ; 

 natibus prominulis. Long. -93; lat. LI unc. 



Kateru, not unfrequent. This species somewhat resembles C. 

 Wilsoni ; but it differs from it in its greater thickness, the inequality 

 of its sides, and the shape of both its anterior and posterior margins. 

 Named after T. C. Jerdon, Esq., of the Madras Medical Service, and 

 a distinguished naturalist. 



Cytherea elliptica, sp. nov. PL X. fig. 58. 

 C. testa elliptica, transversa, convexa, inasquilaterali, ad marginem ventralem 

 transversim sulcata ; natibus parvis. Long. - 8 ; lat. 1 -0 unc. 



Kateru, rather rare. 



Cytherea Hunteri, sp. nov. PL X. fig. 59. 

 C. testa rotundato-elliptica, convexa, inasquilaterali, ad marginem ventralem 

 transversim sulcata ; natibus minimis. Long. "6 ; lat. - 73 unc. 



Kateru, rare. 



Tellina Woodwardi, sp. nov. PL X. fig. 60. 

 T. testa ovato-suborbiculari, subaequilateraK, compressiuscula, concentrice sub- 



tiliter striata; margine ventrali convexo, dorsali utrinque subdeclivi, antiee 



paululum longiore ; natibus parvis, acutis ; flexura satis conspicua. Long. -47 ; 



lat. - 58 unc. 



Kateru, rare. Named after S. P. Woodward, Esq., the eminent 

 naturalist, who directed my attention to it, and to whom I am under 

 great obligations for his advice on various points in drawing up this 

 paper. 



PSAMMOBIA JONESI, Sp. nOV. PL X. fig. 61. 



P. testa oblongo -ovata, insequilaterali, compressiuscula, transversim tenuiter 

 striata ; margine ventrali subrecto, dorsali utrinque subdeclivi, postice longiore ; 

 extremitate antica rotundata, postica obtuse angulata ; natibus parvis. Long. 

 57 ; lat. -87 unc. 

 Kateru, somewhat frequent. Named after T. Rupert Jones, Esq., 



