34 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 89 



This species differs from other described species of American 

 Miogypsina in its lack of definite pillars. It is also thinner. Mature 

 megalospheric specimens have a thickness of only 0.4 mm. This 

 species has the peripherally located type of embryonic apparatus 

 which is possessed by M. cushmani ^''aughan, M. hawkinsi Hodson, 

 M. bracnensis Vaughan, and M. vcuczuclana Hodson. It differs from 

 the first three in being only about half as thick, and from the latter 

 by its much smaller size. 



This species is named in honor of Mr. M. N. Bramlette. 



MIOGYPSINA HAWKINSI Hodson 



Plate 6, figs. 11, 12, 13, 14' 

 Miogypsina hawkinsi Hodson (27, pp. 28-29, pi. 7, fig. 9; pi. 8, figs. 1-2). 



Specimens of this species occur in material from the San Luis 

 series, middle Oligocene, at the following localities: 4, 8, 168, 960, 

 1042, 1123, 1127, and possibly at localities 500, 843, 1119, and 1120. 

 Some of the associated species are L. (Lepidocyclina) canellei 

 Lemoine and R. Douville, L. (Lepidocyclina) sanluisensis. n. sp., 

 L. (Nephrolepidiiia) nndosa Cushman, Cauicrina sp. indet., and 

 Heterostcghm sp. 



DESCRIPTION OF LOCALITIES 

 All the following localities are in the States of Falcon, East 

 Falcon, or Lara, Venezuela. 



Cerro Gauche. Three kilometers south of San Luis, District of Bolivar, Falcon. 



Collected by M. N. Bramlette. 

 Rodriguez No. 23. From well Rodriguez No. 23, 2,482 feet, Ambrosia Field, 

 District of Bolivar, Falcon. Collected by M. N. Bramlette. 

 4. About I kilometer northeast of Pecaya, District of Democracia. Collected 



by \i. N. Bramlette. 

 8. District of Buchivacoa, Falcon. Collected by M. N. Bramlette. 

 12. From Guacharaca, out of Guayaval series, District of Acosta, East Falcon. 



Collected by H. G. Kugler and L. Vonderschmitt. 

 16. From Guacharaca, out of Guayaval series. District of Acosta, East Falcon. 

 Collected by H. G. Kugler and L. Vonderschmitt. 



148. From Guacharaca, out of Guayaval series. District of Acosta, East Falcon. 



Collected by H. G. Kugler and L. Vonderschmitt. 



149. Same locality as 148. 



163. From Cerro Campana, out of Guayaval series (Cerro Campana lime- 

 stone), District of Acosta, East Falcon. Collected by H. G. Kugler and 

 L. Vonderschmitt. 



165. From Cerro Campana, out of Guayaval series (Cerro Campana limestone), 

 District of Acosta, East Falcon. Collected by H. G. Kugler and L. 

 Vonderschmitt. 



