Plate 22. HASTIGERINA, CASSIGERINELLA, GLOBIGERINA 



Figures la-2b. Ilastigerina cf. acquilateralis (Brady) 

 la, Spiral view of specimen (USNM P5601a). 

 lb, Umbilical view, Ic, Side view. 2a, Equa- 

 torial view of hypotype (USNM PS601b). 2b, 

 Side view. All from the Glohoroialia menardii 

 zone, Lengua formation, Trinidad, X 68. 

 Figures 3a-c. Cassigcrindla chipolensis (Cushman 

 and Ponton) 



3a, 3b, Opposite side.s of hypotype (USNM 



P5602). 3c, Side view. From the Globorotalia 



opinia opima zone, Cipero formation, Trinidad, 



X 210. 



Figures 4a-7b. Globigcrina ampliapertura Bolli, 



new species 



6a, Spiral view of holotype (USNM PS603). 

 6b, Umbilical view. 6c, Side view. 4a, Spiral 

 view of paratype (USNM P5604). 4b, Um- 

 bilical view. 4c, Side view. 5a, Spiral view of 

 paratype (USNM P5605a). 5b, Umbilical view. 

 7a, Spiral view of small paratype (USNM 

 P5605b). 7b, Umbilical view. All from the 

 Globigerina ampliapertuta zone, Cipero forma- 

 tion, Trinidad, X 68. 

 Figures 8a-9c. Globigerina cf. trilocularis d'Orbigny 

 8a, Spiral view of specimen (USNM PS616a). 

 8b, Umbilical view. 8c, Side view. 9a, Spiral 

 view of specimen (USNM PS616b). 9b, Um- 

 bilical view. 9c, Side view. All from the 



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 108 



108 



108 



110 



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Globigirina ciperoensis ciperoensis zone, Cipero 

 formation, '^I'rinidad, X 68. 

 Figures 10a, b. Globigerina ciperoensis ciperoensis 109 

 Bolli 



10a, Spiral view of large paratype (USNM 

 P.S607). 10b, Umbilical view. From the Glo- 

 bigerina ciperoensis ciperoensis zone, Cipero 

 formation, Trinidad, X ISO. 

 Figures lla-c. Globigerina ciperoensis angnlisii- 109 

 turalis Bolli, new subspecies 



11a, Spiral view of holotype (USNM P5608). 

 lib. Umbilical view, llc, Side view. From 

 the Globorotalia opima opima zone, Cipero forma- 

 tion, Trinidad, X 150. 

 Figures 12a-13c. Globigerina ciperoensis angusti- 109 

 umbilicata Bolli, new subspecies 



12a, Spiral view of paratype (USNM PS610). 

 12b, Umbilical view. 12c, Side view. 13a, 

 Spiral view of holotype (USNM PS609). 13b, 

 Umbilical view. 13c, Side view. Both from 

 the Globigerina ciperoensis ciperoensis zone, 

 Cipero formation, Trinidad, X ISO. 

 Figures 14a-c. Globigerina parva Bolli, new species 108 

 14a, Spiral view of holotype (USNM PS606). 

 14b, Umbilical view. 14c, Side view. From 

 the Globigerina ampliapertura zone, Cipero forma- 

 tion, Trinidad, X 68. 



259 



