Occasional Papers of the Museum of Zoology 7 



igan at Ann Arbor and was kept in a cage from February 26 

 to March 6. when it died, 



Lasio}iycteris noctvvagans. Silver-haired Bat. — A female 

 which seemed to have an injured wing was picked up at Ann 

 Arbor by A. G. Ruthven, June 13, 19 10. It contained two 

 large embryos. This species is rare in this county. 



Eptesicus fitscns fiiscit^. Large Brown Bat. — Common at 

 Ann Arbor and Ypsilanti. It is often fovuid in buildings in 

 winter. We have records for Ann Arbor every month except 

 September, October, and November. Of all the bats this one 

 is the most common about dwellings, and it is the one that 

 most often enters houses at night in search of insects. Per- 

 haps it is attracted by the light, as I have often seen it feeding 

 about the street lights. 



Nycteris boreolis borcalis. Red Bat. — Common at Ann 

 x\rbor, and there is one record for Ypsilanti. At Ann Arbor 

 there are records from April 30, in 19 19, to July 4, in 192 1. 

 Also one was taken in November, 1917. On June 12, 1903, 

 a female with two young attached to the underside was found 

 hanging in a tree in Ann Arbor. The young were naked and 

 blind and quite small. June 10, 1908, another female was 

 found in a similar situation with three half-grown young 

 attached. 



Nycteris cincrea. Hoary Bat. — We have records for Ann 

 Arbor, Bridgewater Township, Manchester, and Portage Lake. 

 Our dates run from September 5 to October 15 ; but in Decem- 

 ber. 1 89 1, one was found in a barn and was kept alive for 

 several we^ks. 



Ursits americanus. Black Bear. — Formerly common, and 

 one of the last of the larger animals of the county to be 

 exterminated. The last one known to be in the county was 



