42 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 89 



(67) 1927. Geology of the Illescas region, northern Peru. Eclog. Geol. 



Helvet., vol. 20, no. 4, pp. 473-486, i pi., 4 text figs. 



(68) WiEDENMAYER, C. 



1924. Zur Geologic von Ostfalcon. Eclog. Geol. Helvet., vol. 18, pp. 

 508-512, 2 text figs. 



(69) WOODRING, W. P. 



1922. Middle Eocene foraminifera of the genus Dictyocomis from the 

 Republic of Haiti. Journ. Washington Acad. Sci.. vol. 12. 

 pp. 244-247. 



(70) 1924. Some new Eocene foraminifera of the genus Dictyocomis. In 



Geology of the Republic of Haiti, pp. 608-610, pis. 9 and 13. 



(71) 1927. Marine Eocene deposits on the east slope of the Venezuelan 



Andes. Bull. Amer. Assoc. Petroleum Geologists, vol. 11, 

 no. 9, pp. 992-996. 



(72) 1930. Upper Eocene Orbitoid foraminifera from the western Santa 



Ynez Range. California, and their stratigraphic significance. 

 Trans. San Diego Soc. Nat. Hist., vol. 4, no. 4, pp. 145-170, 

 pis. 13-17- 

 {73) 1931- Age of the Orbitoid-bearing Eocene limestone and Turritella 

 variata zone of the western Santa Ynez Range, California. 

 Trans. San Diego Soc. Nat. Hist., vol. 6. no. 25, pp. 371-388. 



EXPLANATION OF PLATES 



The locality numbers are explained under " Description of Localities." 



Plate i 



Figs. 1-5. Camcr'ma sp. a. Figs. i. 2, exterior views of three specimens, X 13, 

 from locality 497 ; fig. 3, horizontal section, X 20, from locality 

 482 ; fig. 4, vertical section, X 20, from locality 497 ; fig. 5, 

 horizontal section, X 20, from locality 496. 



Fig. 6. Cainerina sp. cf. C. parvnla Cushman. vertical section, X 20, from locality 

 163. 



Figs. 7-9. Opcrculma sp. cf. O. cookei Cushman. Fig. 7, exterior view a speci- 

 men, X 13; fig- 8, vertical section, X 42; fig. 9, horizontal section, 

 X 20. All specimens are from locality 163. 



Figs. 10, 11. Hctcrosfegina panamensis Gravell, n. sp. Fig. 10, horizontal section 

 of a megalospheric specimen, X20; fig. 11, horizontal section 

 of a microspheric specimen, X I9- Both specimens are from lo- 

 cality 4. 



Fig. 12. Heterostegina sp. cf. H. antillca Cushman, vertical section, X 20, from 

 locality 482. 



Plate 2 



Fig. I. Archaias sp., horizontal section, X 20, from locality 1123. 



Fig. 2. Amphistegina lessonii d'Orbigny, vertical section, X SO, from locality 



228. 

 Fig. 3. Cypsina globulus (Reuss), horizontal section, X 36, from locality 1208. 



