Ostrea iieerrnanni OonracL, Heilprin in .<Tiioe, 1884, ?ourth Ann. 



Rept. U, 3. Geol. Survey, p. 514. 

 Ostrea vesoertina Conrad, ^"eilprin in //hite, 1884, idem, p. 315, 



pi. 71, figs. 2-4. 

 Ostrea veatohii '^^a"bb . Heilprin in ./hite, I'^SA, idem, p. r^l6, pi. 



72, fig. 1. 

 Ostrea liaitensis Sowerbj-, Dall, 1598, Trans. V/agner ?ree ^nst. 



Soi., _^>iladelphia, vol. ?: , pt. 'r, o. 685. 

 ? Ostrea aff. vespertina Conrad, Toula, 1908, J.,.hr'o. K.-k, (Jeol. 



HeiGhsanstalt, vol. 58, pp. 710-711, pis. 26, fig. 1; 



2 3, fiffs. 14a- c. 

 ? Os-^rea aff. ves^oertina C onrad, Toula, 1911, idem, vol. 6?, pp. 



474-475, pi. 29, fis-s. la-b. 

 ?Ostrea ^ratunensis Brown and Pilsbr , 1911, "roc. Aca''. LTat. Sci., 



Philadelphia, vol. 6-'^, p. :566, pi. £9, figs. 1, 2. 



Description.- "Testa oblonp-a, crassa, plicata, plieic paucis 

 (senis ad septenis), magnis, undulatis, siibsonamosis, soiiamis non- 

 niuii'rjnain subtiibuloKis ; limbo interno onuiino glebro." (Sowcrby, 1850) 



Type loealit;; .- Santo T^omingo. 



The -^owden specimens are small (not esicee'^ing 50 mm. across), 

 thin or slightly thickened, compressed to slightly convex; outline 



