320 
ARVICOl A l'EXANA, 
GEOGRAPHICAL DISTEIBGTION. 
Western Texas. 
GENERAL REMARKS. 
I procured this little animal on the Rio Grande near El Paso, whilst 
attached to the party under the command of Captain L. Sitgreaves, U. 
S. Topographical Engineers, on our way to explore the Zuni and Colorado 
rivers. °Of its habits I know nothing. My attention was called to this 
animal by Major Le Conte, who has been for some time engaged in the 
study of the mice of our country. (Woodhouse.) 
