36 



Bulletin 30 



Terebra oligomitra Dall. 

 Turris albida Perry. 

 Drillia venusta Sby. 

 Cancellaria Rowelli Dall. 

 Marginella amina Dall. 

 Marginella domingoensis Dall. 

 Lyria pulchella Sby. 



Probably this horizon goes 

 with A to F on the Gurabo. 

 really just begun and it calls for 

 and rebels made impossible. 



Limopsis ovalis Gabb. 

 Limopsis hatoviej orris, n. sp. 

 Scapharca tolepia Dall. 

 Glycimeris acuticostata Sby. 

 Pecten eugrammatus Dall. 

 Pecten hatoviej orris n. sp. 

 Cardium aminense Dall. 



with Bluff i on Rio Mao and 

 Our work on the Rio Amina was 

 further exploration which floods 



Guayubin to Mao road. — From an outcrop on this road at 

 the ford of Rio Cana the following were collected : 



List of Species 



Conus catenatus Sby. 

 Murex domingensis Sby. 

 Murex cornurectus Gpy. 

 Bursa crassa Dillwyn. 

 Strombus pugiloides Gpy. 

 Serpulorbis gran if era Say 

 Serpulorbis papulosa Gpy. 

 Polinices Stanislas-Meunieri, n. sp. 

 Barbatia (Calloarca) 



submarylandica, n .sp. 



Scapharca Margaretse, n. sp. 

 Scapharca guayubinica, n. sp. 

 Scapharca insequilateralis Gpy. 

 Scapharca patricia Sby. 

 Ostrea megodon Hanley. 

 Ostrea virginica Gm. 

 Amusium papyraceum Gabb. 

 Placunanomia lithobleta Dall. 

 Chama involuta Gpy. 

 Autigona Blandiana Gpy. 



This horizon is allied with the upper series and appears 

 quite high from the presence of Area patricia. This we should ex- 

 pect from the outcrop being on the L,ower Cana. Our deeper 

 beds were found on the middle and upper portions of the river. 



Bulla River. — Unidentified material was kindly loaned us 

 by the American Museum from a bluff on the Bulla River, a 

 small arroyo entering the River Mao. The location is indicated 

 roughly on our Sketch Map, facing page 10, Bulletin 29. The 

 precise location is not known. 



Volvula cylindrica Gabb. 

 Conus Kitteredgei, n. sp. var. 



List of Species 



Nucula tenuisculpta Gabb. 

 Scapharca Arthurpennelli, n. sp. 



