32 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. I42 



ScHWARCK Anglade, Armando (Editor). 



1956. Lexico estratigrafico de Venezuela. Venezuela, Dir. Geologia, Bull, 

 de Geologia Publ. Especial No. i, 729 pp. 

 SUTER, H. H. 



i960. The general and economic geology of Trinidad, B.W.I. 2d ed., with 

 revisionary appendix by G. E. Higgins. 145 pp. London, Colonial 

 Geol. Surv. Min. Res. Div. 

 WOODRING, W. P. 



1957- Geology and paleontology of Canal Zone and adjoining parts of 

 Panama. U. S. Geol. Surv. Prof. Pap. 306-A, 145 pp., 23 pis. 



EXPLANATION OF PLATES 

 Plate i 



Figs. 1-4. Enallastcr hravoensis Bose (p. 7). 



Top, posterior-end, bottom, and right-side views X i of USNM 

 131170. From the Cogollo limestone, of Early Cretaceous age, at 

 Rio Socuy, Zulia, Venezuela. 



Figs. 5-9. Hemiaster sp. (p. 8). 



Top, right-side, left-side, posterior-end, and bottom views X i 

 of USNM 131 168. From beds of Early Cretaceous age in the 

 State of Monagas, Venezuela. 



Figs. 10-12. Phyllobrissus sulianiis Cooke, n. sp. (p. 6). 



Top, right-side, and bottom views X i of holotype, USNM 

 131 167. From the Apon formation, of Aptian age, at Roas Island, 

 Zulia, Venezuela. 



Plate 2 



Figs. 1-3. Phymosoina tnnitensis Cooke, n. sp. (p. 10). 



Top view X 2 and bottom and left-side views X i of holotype, 

 USNM 638643a. From the Marac formation, of Paleocene age, 

 in the Marac quarry, southern Trinidad. 



Figs. 4-5. Ilolcctypus phmatns aponcnsis Cooke, n. subsp. (p. 6). 



Top and left-side views X i of holotype, USNM 131 169. From 

 the Capacho formation, of Early Cretaceous age, at Rio Apon, 

 Zulia, Venezuela. 



Figs. 6-9. Epiastcr zvhitci Clark (p. 9). 



Top, posterior-end, left-side, and bottom views X i of USNM 

 131 171. From rocks of Early Cretaceous age on Rio Caripe, 

 Monagas, Venezuela. 



Figs. lo-ii. Oligopygus nancei Cooke (p. 13). 



Top view of holotype and bottom view X i of paratype, USNM 

 498964. From the Tinajitas formation, of late Eocene age, near 

 the headwaters of Rio Amana, Anzoategui, Venezuela, approxi- 

 mately 5 km. southwest of Mundo Nuevo, Monagas. 



