XVI 



Obdebs, Familieh, and Geskba. 



70. LuTKABiA, Liimarck, 1799... 



71. Standella, (.iniv, 1837 ... 

 71a. [Mkkope], II. & A. Ail., 1857 

 714. [Mactuomkuis], C'ouRul, 



1807. 



72. Eastonu, Gray, 1819 



Sub-fam.,—3lACTRiy.lS ... 

 Oenus — 



73. Habvella, Gray, 1819 ... 

 73a. [Mactrella I, (iriiy, 1819... 

 734. [MACTRiNrL.\], Gray, 1849 



74. CTMBoruoHA, Gabb, 18G9... 



75. SpisrLA, Grav, 1837 



75a. [O.wrEBAsJ.Morob, 1851? 



70. Mactba, Linn., 1707 



7ea. [ScnizoDESMA], Gray, 1837 



77. MULINIA, Gray, 1836 



78. PsEITDOCABDIUM.Gbb., 18G0 



79. Macteodesma, Cou., 1808... 



80. Rangia, Dcsmoul., 1832 ... 

 80a. [Kangianella], Con., 1867 



Family— AyATINIDM ... 



Sub-fam.,—PANI>OEIXJE ■■■ 

 Oenus — 



81. Mtochama, Stutch., 1830... 



82. Mtodoba, Gray, 1810 



83. Pandoba, Brug., 1792 ... 

 83a. [Kenneelia], Carpt., 1801.. 



84. C^LODON, Carp., 1801 



85. Clidiophoea, Carp., 18G1. . . 



Sub-faiii.,—THRACIIlfJE ... 



Genus — 



86. Tellinomva, Hall, 1817 . . . 



87. ASTHENOTHiECS, Carpt., 



1801. 



88. CoEisrsTA, Ag., 1812 



89. AxiNtJS, Sow., 1821 



90. Theacia, Leach, 1824 ... 



91. IXAETIA,* Loach, 1852 ... 

 91a, [LiqulaI, Rccluz, 18?? ... 



92. Calcaba^ Recluz, 1808 ... 



93. Peeiploma, .Schuhni., 1817 



91. COCHLODESMA, Couth., 18?? 



95. Pelopia, H. Adams, 1868... 



96. Alicia, Ani;as, 1807 



97. Ltonsia, Turtou, 1822 ... 



98. Ltonsiella, Sars, 1808 ... 



99. Entodesma, Phil., 1815 ... 

 100. SouLEVETiA.t Reel., 1869 . . . 



Sub-fam.,—AlfATiyi\^ ... 



Genus — 



101. Mttilimeeia, Con., 1837 



102. Edmondia, Kon., 1812 ... 



103. Caediomobpiia, Kon., 1812 

 10-4. Cebomia, Agassiz, 1812 ... 



105. Geesslya, Agassiz, 1812 .. 



106. Allobisma, King, 1811 ... 



107. Myacites, Seliloth., 1820 

 f .'^ Pachymya, Sow.). 



108. HOMOMYA, Agassiz, 1813... 



109. Tyleeia, 1L & a. Ad., 1857 



110. Anatina, Lam., 1809 

 (=Plalifmijn, Ag.,exparteJ. 



111. Ceecomya, Agassiz, 1843... 



TvnCAL SVECIES. 



L. obloiirja, Gnicl. 

 SI. slriiiteUa, Lam. 

 St, agiipliaca, Cheui. 

 St. ovulis. Gray 



East, ruffosa, Onicl, 



77. eteijan.f, Sow. 

 Mact. ahita, Spcng. 

 M. jyfirafariu, Clioni. 

 C. As/ihurneri, Gabb 

 Sp. truncata, Mont. 

 Sp. trianqularis. Lam. 

 M. stuUoriim, Linne 

 M. Spengleri, Liun. 

 M. ecliilis. King 

 Ps. Galbii, (Rem.) 

 M. ponderosa, Conrad 

 R. cyrenohles, Dcsm. 

 B. trigona. Petit 



M. anomioides, Stutclib.... 

 M. brevis, Stutch b. 

 Pand. inccquiralvis, Linn. 

 P. [K.^ bicarinata, Carp. 

 Pandora Ceylan ica. Sow. . . . 

 CI. clavigulata, Cai-p. 



T. nasuta. Hall ... 

 A. villosior, Carpt. 



C. pingu I.s, Ag. 

 Ax. angu/atits. Sow. 

 T/i. fragills, Penn. 

 Ix. distorta, Jlout. 

 L. declivis, Penn. 

 C. oblonga, Phil. 

 P. iinxqiiii'ah'is. Sell. 

 C. Leana, Couth. 

 Pel. brevifroiis, H. Ad. 

 A. angustaia, Ang. 

 L. Norvegica, Chem. 

 L, abgssicola, Sars 

 E. chiloensis, Phil. 

 S. Moulinsii, Reel. 



M. NultttlU, Con. 

 E. unioniformiSt Phil. 

 C. elongata, Kon. 

 C. e.vcentrica, Ag. 

 G. zonafa, Ag. 

 A. sulcata, Flem. 

 AI. elongatus, Schloth. 



IT. hortulana, Ag. 

 T.fragiVu:, H. & A. Ad. 

 A. subrostrata, Laui. 



C. pinguls, Ag. 



s| 



Rec. 



Rec. 



Cret. 

 Rec. 



Ter. 

 Mio. 

 Rec. 



Rec. 



Sil. 

 Rec. 



Jur. 

 Eoc. 

 Rec. 



Ter. 

 Rec. 



Jur. 

 Rec. 



Jur. 



68 

 68 

 68 



68 



Obdeoh, Families, and Geneba. 



112. Plectomta, Loriol, 1868 .. 

 C=Plalgmga, Ag., exparte). 



113. Cyathodonta, Con., 1849 



114. Plicomta, Stol., 1870 ... 

 f= Lepiomga, 



= Periplomyn, Con.). 



115. Anatimya, Con., 1800 ... 



116. ANTlIKACOJIYA,S;ilter, 1861 



117. CiiiExoMYA, Muuk, 1805... 



118. Pleubomta, Ag., 1842 ... 



119. Go.NYOMYA, Ag., 1842 ... 



120. PllOLAUOMYA, Sow., 1823 



121. Cymella, Meek, 1864 ... 



122. Macuomta, Loriol, 1868 



Family,- SAXICAVIDJE ... 



Genus — 



123. NOTOMYA, McCoy, 1817 ... 



124. Antheacosia, King, 1850 



125. QUENSTEDTIA, Morris and 



Lycett, 1853. 



126. Paeamta, Conrad, 1838... 



127. SAXiCATA,Fl.d. Bell., 1802 



128. PANOPiEA, Menard, 1807... 



129. Glycimeeis, Klein, 1753 



130. Cyeiodaeia, Daudiu, 1799 



Fam lly— GLA UCONOMYID^ 

 Genus — 



131. GLATJCON03£TA,Bronn,1838 



132. Taxysiphon, Benson, 1858 



Family— SOLENIDjS ... 



Sub -fam., — SOLENINX 

 Genus — 



133. Solex, Linn., 1757 

 133a. [Solena], Browne, 1756... 

 1334. [Plectosolen], Conrad, 



1866. 



134. Ensis, Schuhm., 1817 ... 



135. SoLEXOPdis, McCoy, 1814 



136. Solexaeia, Stol., 1870 ... 



137. Cultellus, Schuhm., 1817 

 137a. [ExsicuLUs], H. & A. Ad., 



1860. 



138. SILIQUA, Miihlfeld, 1811 ... 



Typical species. 



-PHARELLIN^ 



Sub-fam., 

 Oenus — 



139. Ceeatisolex, Forbes, 18-18 

 110. Phaeella, Gray, 1851 ... 

 141. Legumex, Conrad, 1858... 

 112. Leptosolen, Conrad, 1807 



143. Mesopleuea, Conrad, 1807 



144. SoLTMA, Conrad, 1870 ... 



145. SoLECUETrs, Blainv., 1825 



146. AzoE, Gray, 1847 



147- Tagelus, Gray, 1847 ... 



148. NoVACDLiNA, Benson, 1830 



Oider,-TELLINACEA ... 



Family,— PAPIIIID.1B ... 

 Oenus — 



149. Ebtilia, Turton, 1822 ... 



150. Anapa, Gmy, 1840 



P. rugosa, Rom. 



C. magnifica, Jonas 

 PI. peculiar is. Con. 



A, anteradiatn. Con. 

 A. Adamsi, .Salt. 

 Ch. Leavenworthensu, M. & 

 Hayd. 

 PI. elongata, Ag. 

 G. sulcata, Ag. 

 Ph. Candida, Sow. 

 C. undata, M. & Hayd. ... 

 M. Dunkeri, d'Orb. 



iV^. seeuri/ormis, McCoy. 

 An. Beaniana, King 

 q. oblita, Phill. 



P. subovata. Con. 



S. rugosa, Linn. 

 P. Faujasi, Men. 

 Gl. norvegica, Spengl. 

 C. siliqua, Spengl. 



O. rugosa. Reeve 

 T. rivalii, Bens. 



S. vagina, Linne 

 & obliquus, Spengl. 

 iS. gracilis. Sow. 



E, .siliqua, Linn. 

 5. velusfus, Goldf. 

 jS. affinis, (Eich.) 

 C. maximus, Gmel. 

 Solen cultellus, Linn. 



5. radiata, Linn. 



C. legumen, Linn. 

 Ph. acuiidens. Gray 

 L. ellipticus. Con. 

 L. hiplicatus. Con. 

 M. bideniata, Spengl. 

 S. lineolata. Con. 

 S. sirigillalus, Linn. 

 A. coarctafus, Gmel. 

 T. gibbus, Spenarl. 

 iV. gangelica. Hens. 



E. castanea, Mont. 

 A. cuneala, Desh. 



Rec. 

 Cret. 



Garb... 



Jar. ... 



Rec. ... 

 Cret. ... 

 Jur. ... 



Pal. 

 Carbf. 

 Jar. .. 



Mio. 



Kcc. 

 Ter. 

 Rec. 



Rec. ... 



Rec. 



Eoc. 



Rec. 

 Pal. 

 Cret. 

 Rec. 



Rec. 



Cret. 



Rec. 

 Cret. 

 Kcc. 



Rec. 



• Sliaufuss in Psctcls' Systcmc and Catalogue, p. 19, proposed (0 substitute the name Eupieilla tor Biipin>la,hnllxarlia is a much older name, 

 t 'Shell iuociuilateral, spoonUke process directed backwards', Act. Soc. Linn., Uordeanx, iivii, viit Zool. Record for 1869, p. 5SS. 



