8 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 89 



MIDDLE OLIGOCENE 



San Luis series 



Amphistegina Icssonii d'Orbigny 



Archaias sp. 



Camerina sp. indet. 



Carpenteria sp. 



Heterostcfl'ma panamcnsis Gravell, n. sp. 



L. (Lepidocyclina) canellei Lemoine and R. Douville 



L. {Lepidocyclina) jorresti Vaughan 



L. {Lepidocyclina) sanhiisensis Gravell, n. sp. 



Lepidocyclina gigas Cushman 



Lepidocyclina sp. indet. b 



L. {N ephrolepidina) undosa Cushman 



L. {N ephrolepidina) sp. 



L. {Eulepidina) favosa Cushman 



Miogypsina branilettci Gravell, n. sp. 



Miogypsina hawkinsi Hodson 



LOWER OLIGOCENE 



Churuguara series 



Amphistegina lessonii d'Orbigny 



Camerina sp. a 



Heterosfegina sp. cf. H. antillea Cushman 



UPPER EOCENE 



Guayaval series (Cerro Campana limestone) 

 Camerina sp. cf. C. pai-v-ula (Cushman) 

 Carpenteria sp. 



D. { Aster ocyclina) asterisca (Guppy) 

 D. {Asterocyclina) kugleri Gravell, n. sp. 

 Gypsina vesicularis (Parker and Jones) 

 Operctdina sp. cf. O. cookei Cushman 

 L. {Lepidocyclina) trinitatis H. Douville 

 L. {Lepidocyclina) macdoruxldi Cushman 



? MIDDLE EOCENE ? 



Paraiso series 



Discocyclina sp. indet. (probably Discocyclina flintensis (Cushman)) 



DISCUSSION 



No larger foraminifera were observed in the Pliocene and Miocene 

 sediments, with the exception of Amphistegina lessonii, which has no 

 value for interregional correlation. 



The upper Oligocene Agua Clara series is represented by material 

 from only four localities, and of these, three contain large forami- 

 nifera. Sections of material from locality 204 contain specimens of 

 Amphisteginu lessonii d'Orbigny, and a few fragments of a small 



