359 Dominican Fossils — Maury 195 



Crenella divaricata Dall, Trans. Wagner Inst. Sci., vol. 3, pt. 4, 

 p. 803, 1898. 



This pretty little shell with its characteristic divaricating 

 radial sculpture, also occurs in the Bowden beds and is living in 

 the Antilles, off Panama and in the Gulf of California. Length 

 2.25, altitude 2.50 mm. 



Locality. — (Exp'd '16) Bluff 2, Cercado de Mao. 



Genus Mytilopsis Conrad 



Mytilopsis domingensis Recluz 

 Plate 39, Figure 5 

 Dreissena domingensis Recluz, Journ. de Couch., vol. 3, pi. 10, fig. 8, 

 p. 255, 1852. . 



We collected several fossil shells which resemble young speci- 

 mens of M. domingensis from the Monte Cristi beach, but are 

 somewhat more expanded and flattened in the posterior dorsal 

 region, yet some of the recent shells show the same tendency and 

 the fossil and recent appear to be the same species. The hi ge of 

 the fossil shows distinctly the characteristic supporting plate just 

 posterior to the cardinal area. Our largest fossil is 19 in length, 

 largest recent 33 mm. The genus is now recorded for the first 

 time from the blue clays. 



Locality. — (Exp'd '16) Sandy clays and Zone H, Rio Cana 

 at Caimito. 



ORDER ANOMALODESMACEA 



Genus Pandora Bruguiere 



Pandora inconspicua Gabb 



Plate 26, Figures 19, 19a 



Pandora inconspicua Gabb, Trans, Amer. Phil. Soc, vol. 15, p. 248, 



1873- 

 Pandora inconspicua Dall, Trans. Wagner Inst. Sci., vol. 3, pt. 6, p. 

 1522, 1903. 



This attractive little shell has never been figured and, to add 

 to the difficulty, according to Gabb 's description its length is ".3 



