Allen.] 262 [March 16, 



effect of its influence upon the distribution of the land animals is 

 also quite apparent, though less marked than upon the marine. It is 

 clearly indicated by the more frequent occurrence of Southern forms 

 on this portion of the New England coast than in the interior, or 

 further north, of which the existence of the Marsh Terrapin at New 

 Bedford and Wareham is an illustration. An important negative 

 feature in Mr. Ingraham's list is the absence of Glyptemys insculpta 

 which he writes me he has not seen there, and that if occurring there 

 it must be very rare. 



REPTILES. 



TESTUDINATA. 



1. Cistudo virginea Ag. Not common. I generally see from one 

 to three yearly. A few years since I found one that had just eaten 

 half the pileus of a very large Agaricus — not the common edible one 

 — with a pileus six or eight inches across. The manner in which it 

 was eaten attracted my attention more than the fact of its eating it. 

 It had evidently chipped it off in sections, going alternately from 

 side to side, and leaving it as if divided by a straight cut through the 

 pileus. 



2. Nanemys guttata Ag. Common. 



3. Chrysemys picta Gray. Common. 



4. Ozotheca odorata Ag. This species cannot, I think, be very 

 common. I have seen but one specimen, which I found dead in a 

 muddy ditch. 



5. Chelydra serpentina Schw. Frequent. 



6. Malacoclemmys palustris Ag. Frequent. 



SATJRIA. 



7. Plestiodon fasciatus Dum. and Bib. One specimen, June, 1869. 



OPHIDIA. 



8. Tropidonotus sirtalis Holbr. Common. 



9. Lampropeltis triangula Cope. Frequent. 



10. Bascanion constrictor B. & G. Frequent. 



11. Liopeltis vernalis Cope. Frequent; formerly very common. 



12. Diadophis punctatus B. & G. Not common. 



13. Carphophiops amcenus Cope. A single specimen, taken in a 

 yard, on Eighth St. 



