_ ''O- 



3. Geological Analysis. 



The correlation of the V/est Indian j^ertx&ri- deposits 

 involves a somewhat complicated history? v/hieh will he briefly 

 considered only in so far as it has a direct hearing on the 

 opinions concerning the otratigraphic position of the mollus- 

 can faimas of the Bow den and approximately equivalent format- 

 ions. In the etrlier, pnd , stra".:ge ,: y, even in the more 

 recent, literature it .. ".^e imfortunate prt/juije to care- 

 fully avoid the assignment of oolleotions to d.efinite loc- 

 alities and therefore such vt^.r-ie statements as " Jrvii.aica", "Hio- 

 cene of o"'ar.:iaiea" and ''Oligocene of Jamaica" are frequently 

 encountered. In tl^e case of "Jamaica" as ippy there 



is lit'-le, if any, uncertainty concerning: the inter-oretctiou, 

 since it is definitely knoi.^n that hi ' ' . ■: ' ' .is came 

 from Bowden an-' eumahly his usage was in conformity with 

 that adoioted hy his confreres. 



The mollascan faunas; in question '.vere referred with 

 general unanimity of opinions to the KLocene hy Moore (l). 



(l). Lloore; 0. J., aiart. Jour. Geol. 3oc. Lonr'on, vol. G, 



■op. 59-44, 1350 (Santo Domingo); vol. 9, op. lS9-lsr. , 185:5 

 (Santo Domingo); vol. 19, pp. 510-51F, 1863 (Jamaica). 



