108 GEOLOGY AND PALEONTOLOGY OF THE WEST INDIES. 



species common to other formations is not great enough to justify using 

 the statistical method of correlation. The fossil horizon of Anguilla is 

 evidently intermediate in age between the Oligocene deposits at Bain- 

 bridge and the Bowden marl, and its stratigraphic position is probably 

 not far from that of the Tampa limestone of Florida. 



Species from Anguilla. 



Species. 



Conus sp 



Turris sp 



Oliva, 2 sp 



Lyria vaughani, n. sp 



Casadea? sp 



Dolium? sp 



Cyprsea anguillana, n. sp . . . . 



Cypraea sp 



Cyprsea sp 



Strombus sp 



Orthaulax pugnax (Heilprin) 



Ceritbium herculeanum, n. sp . 

 Cerithidea? anguillana, n. sp. . 



Turritella crocus, n. sp 



Turritella anguillana, n. sp . . . 



Turritella dubiosa, n. sp 



Solarium sp 



Xenophora sp 



Ampullina anguillana, n. sp 



Ampullinopsis spenceri, n. sp 



Sinum chipolanum (Dall) 



Scapharca anguillana, n. sp 



Pinna vaughani, n. sp 



Pecten perlatus, n. sp 



Pecten thetidis Sowerby 



Pecten perplexus, n. sp 



Pecten crocus, n. sp 



Pecten vaughani, n. sp 



Pecten anguillensis Guppy 



Pecten gabbi Dall 



Pecten sp. cf. P. crucianus, n. sp. . 



Pecten clevei, n. sp 



Amusium lyonii (Gabb) 



Spondylus bostrychites Guppy. . , 



Metis trinitaria Dall 



Cardium sp 



Lucina sp 



Phacoides (Here) sp 



Antigona csesarina var. 

 n. var. 



anguillana, 



Remarks. 



Related to Tampa and Chipola. 



Cuba. 



Bainbridge, Tampa, Antigua, 

 Panama. 



Antigua. 



Related to Tampa and Bain- 

 bridge. 



Cuba, related to Chipola. 



Antigua. 



Chipola. 



Related to Panama. 



Cuba, Bowden, Santo Domingo. 



Antigua. 

 Antigua. 

 Related to Cuba. 



Costa Rica, related to Chipola. 

 Antigua, Tampa, Bowden, Santo 



Domingo. 

 Cuba, Trinidad. 



Related to Tampa. 

 Antigua, Bainbridge, Chipola 

 (variety) . 





