A LIST OF THE AMPHIBIANS AND 



REPTILES OBSERVED IN RICHLAND 



COUNTY, ILLINOIS, IN MAY, 1913 



The writer and Miss Crystal Thompson were 

 sent by the Museum of Zoology, University of 

 Michigan, to Richland County, Illinois, in May, 

 1913, to obtain specimens and study the habits of 

 Rana areolata Baird. During the field work the 

 following species of amphibians and reptiles were 

 collected : 



1. Ambystoma microstomum (Cope). — Frequently plowed 



out of mouse and crayfish burrows. 



2. Bufo americanus LeConte. — Common. 



3. Chorophilus nigritis (LeConte). — apparently not com- 



mon ; but one specimen observed. 



4. Acris gryllus LeConte. — Abundant on the shores of 



ponds. 



5. Rana pip i ens Schreber. — Common. 



6. Rana areolata Baird. — Not common ; found in crayfish 



burrows. 



7. Rana catesbiana Shaw. — Abundant. 



8. Opliiosaurus ventralis (Linn.). — Eare. 



9. Heterodon platyrhinus Latreille. — Three specimens 



secured. 



10. Natrix fasciatus (Linn.). — Abundant; frequently head- 



lighted in the ponds at night. 



11. Cyclophis aestivus (Linn.). — One specimen observed. 



12. Bascanion constrictor (Linn.). — Eeported as formerly 



abundant, but now nearly exterminated. Often 

 plowed out of burrows. 



13. Pituophis catenifer sayi (Schlegel). — Common; frequently 



plowed oat of burrows. 



14. Thamnophis sirtalis (Linn.). — few observed. 



15. Chelydra serpentina (Linn.). — Common in creeks and 



ponds. 



16. Terrapene Carolina (Linn.). — Very abundant; a series of 



23 specimens collected and many more observed. 



HELEN THOMPSON GAIGE, 



Ann Arbor, Mich. 



Edited by J. T. Nichols, American Museum of Natural History 

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