GEOLOGY AND PALEONTOLOGY OP THE CANAL ZONE. 229 



Geographic Distribution of Species. 



Oligocene— 

 Continued. 



Miocene — 



Horizon of 



Bowden 



marl, etc. 



Pliocene. 



Pleistocene. 



Recent . 





Emperador 

 limestone, 

 Canal Zone. 



Remarks. 



Empire: Rio 

 Agua Salud. 

























Santo Domin- 

 go; Santiago, 

 Cuba. 

 (?) 



















Porto Bello; prob- 

 ably Gatun forma- 

 tion. 







1 

 1 



Empire; Rio 

 Agua Salud. 













Matanzas and 

 B a r a c o a , 

 Cuba; Rio 

 Gurabo, St. 

 Dommgo,etc. 















































Baracoa,Cuba 























Matanzas, 

 Cuba. 



Colon, Costa 

 Rica. 





Caribbean re- 

 gion. 













' 





















Upper Eocene of St. 













Bartholomew. 















Rio Agua Sa- 

 lud. 





























Mt.Hope,C.Z. 

 Mt.Hope,C.Z. 



Florida; West 



Indies, etc. 



do 



















Limon, C. R.; 

 Caloosa- 

 hatchee marl, 

 Florida. 







Limon, C. R.; 

 Bowden, Ja- 

 maica. 



Bowden, Ja- 

 maica; Li- 

 mon, C. R.; 

 Santo Domin- 

 go; Santiago, 

 Cuba. 



Limon, C. R.; 

 Santo Domin- 

 go. 













West Indian 

 region. 



West Indies, 

 Bermuda,etc. 









Very near the Plei- 

 stocene and living 

 D. stokesi M. Ed- 

 wards and Haime 

 of the West Indies, 

 Florida, etc. 







Mt. Hope, C. 

 Z.; Monkev 

 Pt., C. R.; 

 W. I. 



Mt. Hope,C.Z. 



West Indies; 

 Florida, etc. 



do 















Limon, C. R... 



W.I.;Fla.;etc 



do 







Santo Domin- 

 go, Cuba. 

















