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xm 
P ay é, ia, 
NH 
MARCH 29, 1911. Vou. I, pp. 11-13 
PROCEEDINGS 
"OF THE 
THOREAU MUSEUM OF NATURAL HISTORY. 
MIDDLESEX SCHOOL, 
CONCORD, MASSACHUSETTS. Z 
A LIST OF REPTILIA COLLECTED AT 
CONCORD, MASS. 
BY OLIVER G. RICKETSON, JR. 
The following is a list of Reptilia collected since 1901 at 
Concord, Massachusetts. All the specimens here named, unless 
otherwise indicated, are represented in the collection iu the Thoreau 
Museum of Natural History. 
In the Bulletin of the: Middlesex School Natural History 
Society, No. 2, April, 1904 (supplement to the Anvil) was pub- 
lished the first list of local Reptilia, numbering fifteen species 
Family: 
Family: 
Family: 
tee Po TAs 
ORDER: Chelonia Turtles. 
Chelydridae. 
Chelydra serpentina (L.) Schweigger. 
Snapping turtle. 
Common in brooks, ponds, and streams, and often seen in the 
spring crossing roads. | 
March 6 to : 
Cinosternidae. 
Cinosternum (Aromochelys) odoratum (ULatreille) Bonaparte. 
Musk turtle. 
This species appears to be quite common in the Concord River, 
and a few are taken each year in Spencer brook. 
March 14 to 
Testudinidae. 
Chrysemys picta (Schneider) Gray. Hed 
Painted turtle. few 
Common in the brooks and ponds. pees : 
March 9 tw December 11. A 14 | 
\ - 
11 ae 
