62 FOSSIL ECHINI OF THE WEST INDIES. 



tubercles across the interporiferous area of an ambulacral petal; the 

 periproct is much larger and nearer the posterior border of the test; 

 the peristome is less angular and less sunken than in ovumserpentis. 



The material in Washington consists of several lots from Trinidad, 

 the type locality, and from St. Bartholomew. Cotteau says that 

 besides the Cleve collection he had specimens from the museums of 

 Stockholm and Upsala. 



Specimens of Echinolampas ovumserpentis from Jamaica are asso- 

 ciated with Cidaris foveata and from Trinidad are associated with 

 Peronella mirabilis, both as here described. 



Eocene, San Fernando formation, San Fernando, Trinidad, Guppy 

 collection, labeled as types [cotypes] and figured, Quart. Jour. Geol. 

 Soc., vol. 22, 7 specimens, U. S. Nat. Mus. No. 115389. San Fernando, 

 Trinidad, Guppy collection, also labeled as types [cotypes], 6 specimens, 

 all much worn, U. S. Nat. Mus. No. 115409. Trinidad, cotypes, 

 W. M. Gabb collection ex Guppy, 5 specimens, Philadelphia Acad. 

 Nat. Sci. No. 3352. Vitabella Road, Mount Moriah, San Fernando, 

 Trinidad, J. A. Bullbrook collector, a series of 27 specimens of young 

 and adult, beautifully preserved, U. S. Geol. Sur. station 8878. 



Eocene, St. Bartholomew limestone, St. Bartholomew, Guppy col- 

 lection ex Cleve, 6 specimens, labeled as original of Cotteau's plate 3, 

 figs. 13 to 21, U. S. Nat. Mus. No. 115392. Anse Ecaille, side of point 

 between Anse Ecaille and Anse Lezard, from conglomerate and sand- 

 stone below upper limestone bed, St. Bartholomew, T. W. Vaughan 

 collector, 1914, 5 specimens, U. S. Geol. Sur. station 6897. Point 

 between Anse Lezard and Anse Ecaille, St. Bartholomew, T. W. 

 Vaughan collector, 1914, 1 specimen, U. S. Geol. Sur. station 6897a. 

 From a conglomerate and shaly bed interbedded with limestone, below 

 the main limestones and at top of the conglomerate series of beds, 

 point between Colombier Point and bay next to St. Jean Bay, St. 

 Bartholomew, T. W. Vaughan collector, 1914, 10 specimens; speci- 

 mens from this locality run exceptionally low and flat for the species; 

 U. S. Geol. Sur. station 68976. Northwest side of St. Jean Bay, along 

 sea- face, St. Bartholomew, T. W. Vaughan collector, 1914, 4 specimens, 

 U. S. Geol. Sur. station 6905, Point northwest side of St. Jean Bay, 

 from bed of limestone, St. Bartholomew, T. W. Vaughan collector, 

 1914, 67 specimens (many of these are very well preserved for struc- 

 tural detail), U. S. Geol. Sur. station 6924. From conglomerate bed 

 below limestone at top of section or partly from lower limestone bed 

 just above conglomerate, St. Bartholomew, T. W. Vaughan collector, 

 1914, 2 specimens, U. S. Geol. Sur. station 6925. Spur on southeast 

 side of bay northwest of St. Jean Bay, St. Bartholomew, 170 feet above 

 sea-level, 1 specimen, T. W. Vaughan collector, U. S. Geol. Sur. 

 station 6895. This last-mentioned specimen is very unusual in its 

 flatness and also in its exceptional width, in which it simulates the 



