NO. 1312. SYNOPSIS OF THE VENERID.E— BALL. 375 



CHIONE (TIMOCLEA) GRUS Holmes, 1858. 



Cape Hatteras, North (^aroliiia, and south and wost on the mainland 

 coast to Yucatan, in 12 to 60 fathoms. Also fossil in tlie Pliocene. 



This little shell has been very generally confused with Venus pygmaea 

 Lamarck, but it is perfectly distinct. It ma}' perhaps be V. antillarum 

 Orbigny, 1853; but this can not l)e positively determined at this time. 

 It is Venus jMrva Sowerby, 1854, but not of Sowerby, lS'2d, or Munster, 

 1836; and it Avas named Ven'us trapezoidal) >^ by Kurtz in 1860. The 

 animal has two .^ubcqual, closel}' united, fringed siphons, two-tifths as 

 long as the shell. 



CHIONE (TIMOCLEA) PYGMAEA Lamarck, 1818. 



Florida reefs, and throughout the Antilles. 



This little shell was named Venus ln-xq\tivalvtx ]>yOrbigny in 1853. 

 It is of a white color, with brown maculations and a brown spot on the 

 hinge, with coarser sculpture and attaining a larger size than C. grus. 



CHIONE (LIROPHORA) PAPHIA Linnaeus, 1767. 



West Indies and southward to the coast of Brazil, in shallow water, 

 and thence to 30 fathoms, usually on a sandy bottom. 



This line and well-known shell is the Pecfun cuius i)etula of Da 

 Costa, 1778, but it is not the Yenus pa^hia of Pulteney. It is pro])a- 

 bly the shell listed as C. affinls Gmelin, by Poulsen, 1878. 



CHIONE (LIROPHORA) LATILIRATA Conrad, 1841. 



Cape Hatteras, North Carolina, south to Rio Grande do Sul, Brazil, 

 in 10 to 124 fathoms. 



Distinguishable from C. }yap)lda by its ribs, which are not pinched 

 oil' behind and do not bear any elevated expansions. It is Venus 

 varicosa Sowerby, 1853. and V. alveata Bush. 1885. not of Conrad. 



CHIONE (GOMPHINA) KOCHII Philippi, 1843. 



A single valve from Belize was collected by the Rev. Mr. Stanton, 

 but it is believed to be derived from ballast, since no living specimens 

 were obtained. 



ANOMALOCARDIA BRASILIANA Gmelin, 1792. 



Wilmington, North Carolina, and south to the West Indies and to 

 Rio de Janeiro, Brazil. 



It is the Venus flexuosa Born, 1780, not of Linnteus, 1767; the V. 

 macrodon of Hanley, 1843, and Sowerby (fig. 88), 1853; V. lunularis 

 Lamarck, 1818; and 0?yjjtogra j/tn/ a Imtsili a >ia of U6nun%lS67. This is 

 the common Aiwmalocardia of the West Indies, a shell very variable 

 in form and color. 



