146 NEW YORK STATE MUSEUM 



Sorex personatus lesueuri (Duvernoy) Southern masked shrezv 



1842 Ampbisorex lesueuri Duvernoy, Magasin de zoologie, mamm. 



Nov. 1848. p. 33. (Wabash river, iDdiana) 

 1895 [Sorex personatus] lesueuri Merriam, North American fauna. 31 



Dec. 1895. no. 10, p. 61. 

 Color as in S. personatus personatus; size smaller. Total length, 

 90 (3i); tail vertebrae, 33 (xV) ; hind foot, 10.5 (^). (lesueuri; name 

 from that of Lesueur) 



The southern masked shrew is confined to the cool, boreal sphagnum 

 bogs of the upper austral zone. It is the smallest of our mammals, and 

 at present very rare in collections. 



Sorex personatus miscix Bangs Labrador masked shrew 



1899 Sorex personatus miscix Bangs, Proc. New England zool. club. 

 28 Feb. 1899. 1: 15. (Black boy, Labrador) 

 Upper parts iu winter drab gray, in summer very light (broccoli) brown; 

 under parts pale gray. Total length, 102 (4t^) ; tail vertebrae, 43 (If); hind 

 foot, 13 (52) (miscix; Lat., changeable) 



The Labrador masked shrew is at present known from Black bay, 

 Labrador only. 



Order Chiroptera Bats 



Fore limbs greatly developed, the elongated fingers supporting a memhrane l)y 

 means of ivhich true flight is performed. (Chir6ptera; Gk., band-wings) 



The bats, though most numerous in the tropics, are almost universally 

 distributed. The order contains two suborders, one the Megachirop- 

 t e r a (flying foxes) peculiar to the old world, the other, the Micro- 

 chiroptera, (true bats) with the same range as the order. The 

 Microchiroptera are usually divided into five families, but this 

 number will probably be greatly increased. Only one family, the Ves- 

 pertilionidae, occurs in northeastern North America. 



Family Vespertilionidae Typical bats 



Tail included iu membrane nearly or quite to tip ; nose without leaf-like fleshy 

 outgrowths. (Vespertilionidae; from genus Vespertilio) 



The family Vespertilionidae has essentially the same range as 

 the order Chiroptera. It contains many genera, 12 of which occur 

 in North America. Six are found within our limits; all of these are 

 members of the subfamily Vespertilioninae, or typical bats 

 with simple nostrils and separate ears. 



