154 bulletin: museum of compakative zoology. 



coral of Europe. Probably the stratigraphic occurrence of the latter in 

 Jamaica was not properly represented to Duncan, and it may have come 

 from the Cretaceous formations of that island, in which some of the 

 limestone (notably of Clarendon) is as "" hard and white " as any of 

 the other white limestones. 



Fauna of the Pliocene Formations. — In the Pliocene, Mauchioneal, 

 and Mulatto River beds of the Coastal Series, we have the first un- 

 doubted appearance of the modern reef building compound corals in the 

 Jamaican sequence. In these two localities of supposed Pliocene age, 

 the forms occur sparsely as single heads in the former, and as a thin 

 stratum of true reef rock about one foot thick in the latter. 



Vaughan has recognized an Orbicella, probably radiata, and a Mean- 

 drina from these beds. 



In discussing a species of Terehratula reported by Guppy from Trini- 

 dad, Etheridge ^ distinctly notes that *' none occur in the Tertiary of 

 Jamaica, although careful search was made through the collection." 

 De la Beche says,^ " At Manchioneal Harbor the white marl contains 

 corals, spines of Echinites and Terebratulse, besides casts of other shells." 

 Barrett, in a note which was published by Woodward in the " Critic " of 

 February 1, 1863, also noted the occurrence of Terebratulidse in the 

 new Tertiary of Jamaica. 



We were fortunate to find in these beds at Manchioneal two Terehra- 

 tula forms which have been determined by Schuchert to belong to the 

 genus Liothgrina. Most of the specimens are L. vitrea, Borne, and 

 one specimen is probably L. bartletti, Dall. The former is not known 

 as a living species in the West Indies, but is a common species of the 

 Pliocene of Sicily. 



There is also a single specimen of a large and beautiful Caviolina^ about 

 one centimeter long, very much resembling the figured specimens from 

 the Pliocene of Italy. From the so called Pteropod marls, which are 

 probably allied in age, Etheridge reports * three genera of Pteropods, 

 to wit, Cleodora, Creseis, and Cuvieria. The Manchioneal beds contain 

 but few other moUuscan remains, only a few moulds and casts having 

 been found by me. Barrett, who collected more thoroughly, is said to 

 have found sixteen species of recent Mollusca belonging to the surround- 

 ing seas in this marl.* 



The " Pteropod Marls " of Barrett — our Manchioneal beds of sup- 

 posed Pliocene age — contain still distinct foraminiferal fauna, the species 



1 Jamaican Reports, p. 318. ^ Ibid., p. 181, 



8 Ibid., p. 319. * Ibid., p. 313. 



