Howell — Two New Cotton Rats from Florida. 75 



known in detail; it seems to be confined mainly to islands or beaches on 

 the southwest coast of Florida. Specimens from the mainland at 

 Englewood are somewhat intermediate in color between insulicola and 

 floridanus, but are best referred to the former. 



The writer is indebted to Dr. Wilfred H. Osgood for calling attention 

 to this form and for permission to describe it. 



Specimens examined. — Total number, 21, from localities as follows: 

 Florida: Captiva Island, 2'; Sanibel Island, 10'; Chadwick Beach 

 (Near Englewood), 3; Englewood, 5; Pine Island (Lee County) 1.^ 



United States Department of the Interior, Fish and Wildlife Service, 

 Washington, D. C. 



1 Field Mus. Nat. Hist. 



2 Amer. Mua. Nat. Hist. 



