STUDIES nsr foraminifera 123 



Palmer, D. K., and Bermudez, P. J. 



1936. An Oligocene foraminiferal fauna from Cuba. Mem. Soc. Cubana Hist. Nat., vol. 10, No. 

 4, pp. 227-271, pis. 13-20; No. 6, pp. 273-316. 

 Fetters, V., and Sarmiento, S. R. 



1956. Oligocene and Lower Miocene biostratigraphy of the Carmen-Zambrano area, Colombia. 

 Micropaleontol., vol. 2, No. 1, pp. 7-35, text-figs. 1-2, tables 1-7. 

 Rbnz, H. H. 



1942. Stratigraphy of Northern South America, Trinidad and Barbados. Proc. Eighth Amer. 



Sci. Congress, vol. 4, pp. 513-571. 

 1948. Stratigraphy and fauna of the Agua Salada group. State of Falcon, Venezuela. Geol. Soc. 

 Amer. Mem. 32, pp. 1-219, pis. 1-12. 

 Senn, a. 



1947. Die Geologic der Insel Barbados B. W. I. (Kl. Antillen) und die Morphogenese der umlie- 

 genden marinen Grossformen. Eclog. Geol. Helvetiae, vol. 40, No. 2, pp. 199-222. 

 Suter, H. H. 



1951. The general and economic geology of Trinidad. Colonial Geol. and Min. Resources, vol. 

 2, Nos. 3 and 4, and vol. 3, No. 1, 134 pp., 7 pis., 15 text-figs. 

 Stainforth, R. M. 



1948a. Applied micropaleontology in Coastal Ecuador. Journ. Paleontol., vol. 22, No. 2, pp. 113- 



151, pis. 24-26. 

 1948b. Description, correlation and paleoecology of Tertiary Cipero marl formation, Trinidad, 

 B. W. I. Bull. Amer. Assoc. Petr. Geol., vol. 32, No. 7, pp. 1292-1330, 2 text-figs. 



1954. Comments on the Caribbean Oligocene. Geol. Mag., vol. 91, No. 2, p. 175. 



1955. Ages of Tertiary formations in Northwest Peru. Bull. Amer. Assoc. Petr. Geol., vol. 39, 



No. 10, pp. 2068-2077. 

 Stainforth, R. M., and RtJEGG, W. 



1953. Mid-Oligocene transgression in Southern Peru. Bull. Amer. Assoc. Petr. Geol., vol. 37, 



No. 3, pp. 568-569. 

 Todd, Ruth. 



1957. Geology of Saipan, Mariana Islands: smaller Foraminifera. U. S. Geol. Surv., Prof. Paper 

 280-H, pp. 265-320, pis. 64-93, tables 1-4. 

 Todd, R., Cloud, P. E., Jr., Low, D., and Schmidt, R. G. 



1954. Probable occurrence of Oligocene on Saipan. Amer. Journ. Sci., vol. 252, pp. 673-682. 

 Vaughan, T. W., and Cole, W. S. 



1941. Preliminary report on the Cretaceous and Tertiary larger Foraminifera of Trinidad, British 

 West Indies. Geol. Soc. Amer., Spec. Paper 30, pp. 1-137, pis. 1-46. 



