648 



Fig. 



148. C. Hebrsea, 100. 



149. — ornata, 104. 



150. — hieroglyphica, 105. 

 151-154. — castrensis, 103. 



Plate CXXXV. 



155-157. — tigritia, 107. 

 158, 159. — fastigiata, 106. 

 160-162. — lentiginosa, 109. 



163. — elegans, 113. 



164. — calypiga, 112. 

 165, 166. — Arabica, 108. 



167. — splendens, 115. 



168. — Arabica, var., 108. 



169. — subelliptica, 111. 

 170, 171. — abbreviata, 110. 

 173, 174. — elliptica, 114. 



Plate CXXXV1. 



Fig. 





175. C. 



piperita, 51. 





176. — 



Philippinarurn, 52 





177. — 



multistriata, 56. 





178. — 



acuminata, 75*. 





179. — 



indecora, 78. 



180, 



181. — 



Manilla;, 77. 



182, 



183. — 



simplex, 54. 





184. — 



modcsta, 55. 



185 



186. — 



fluctuata, 79. 





187. — 



albocincta, 83. 





188. — 



Belcheri, 80. 





189. — 



angulif'cra, 81. 





190. — 



pcllucida, 93. 





191. — 



Tellinoides, 76. 





192. — 



bullata, 96. 



193- 



-196. — 



florida, 53. 



197- 



-199. — 



Venetiana, 97. 



200 



201. — 



limatula, 98. 



MONOGRAPH OF THE GENUS 



CIRCE. 



Fain. Veneridee. 



Char. Gen. Testa sequivalva, insequilatera ; umbonibus compla- 

 natis, striis vel costellis divaricatim rugatis ; lunula cordiformi, 

 irnpressa, distincta ; ligamento in aream foveolatam sub margineni 

 dorsalem instructo ; cardine late-, dentibus cardinalibus divergen- 

 tibus, quorum mcdiano striato, et dente laterali uno antico in 

 utraque valva posito ; impressionibus muscularibus duabus, late- 

 ralibus ; impressione pallii integra. 



