TRANSACTIONS OF WAGNER 

 670 



TERTIARY FAUNA OF FLORIDA 



This species, from the fragments, should reach a considerable size. Lea's 

 type was a very small shell. The beaks are less prominent than in P. argciitca, 

 the byssal sinus is obsolete or feeble, the right valve has a marked semilunar 

 pit apparently to receive a tooth from the opposite valve ; the surface appears 

 to be more or less lamellose in the adult. 



Pteria colymbus Bolten. 



Plnctada colymbus Bolten, Mus. Boltenian., p. 167, 179S ; Chemn., Conch. Cab., \iii., p. 



141, pi. 81, fig. 723, 1785 ; Morch, Cat. Yoldi, ii., p. 53, 1851. 

 Avii-iihi atlaiifica Lam. {ex parte), An. s. Vert., vi., i, p. 148, 1819. 

 Avicula hirimdo Gmelin, Syst. Nat., p. 3357, 1792, ex parte, non Bolten. 

 Aviciila ahico Phil., Zeitschr. f. Mai., vi., p. 20, 1850. 



Avinila chhris Phil., Zeitschr. f. Mai., viii., p. 54, 1853. 



Avicula macroptera Beau, Journ. de Conchyl., ii., p. 426, 1851 ; Krebs, Cat., p. 132, 



1864, not of Reeve. 

 Avicula coi)ii}iuiiis Krebs, Cat., p. 131, 1864, not of Lam. 

 Avicula heteroptera Krebs, Cat., p. 131, 1S64, not of Reeve. 

 Avicnla pteria Krebs, Cat., p. 131, 1864, not of Scopoli. 

 Avicula atlantica Holmes, P.-Pl. Fos. S. Car., p. 14, pi. 3, fig. I, 1858. 

 Avicula hirundo Say et al., non Bolten. 



Pliocene of the Caloosahatchie beds, south Florida, Dall ; Post Pliocene 

 of Abbapoola and John's Island, South Carolina, Holmes; recent on the 

 southeastern coast of the United States and in the West Indies in shallow 

 water. 



Pteria hirundo Bolten. 



Mytilus hirundo Linne, Syst. Nat., xii., p. 1 1 59, 1766, ex parte. 



Piitctada hirundo Bolten, Miis. Boltenian., p. 167, 1798 ; Chemn., Conch. Cab., viii., p. 



142, pi. 81, fig. 725. 



Avicula tarentiiia Lam., An. s. Vert., vi., i, p. 148, 1819. 



Mediterranean. 



Pteria hirundo \ar. vitrea Reeve. 



f Avicula strix Phil., Zeitschr. f. Mai., vi., p. 22, 1850; (on Sargasso.) 



Avicula vitrea Reeve, Conch. Icon., Avicula, pi. 18, fig. 68, 1857 ; (West Indies.) 



Avictila hirundo var. nitida Verrill, List Fish Com. Moll., p. 281, 1884. 



Post Pliocene of the West Indies and Costa Rica ; recent, on the south- 

 eastern coast of the United States and in the West Indies in rather deep 

 Water. 



