392 rROCEEDIXGS OF THE ACADEMY OF [^Tav, 



4 '(3. 8); zygomatic breadth, 9 (8); broadth of braincase above 

 roots "of zygomata, 7.2 (6.4); mandible, 11.4 (9.8); maxillary 

 toothrow (exclusive of incisors), 5.8 (4.0); mandibular toothrow 

 (exclusive of incisors), 6 (4.6). 



Specimens Examined. — One, the <ype. 



Femarks. — This bat differs so widely from the other known 

 American species of Pipistrellus as to need no special comparisons. 

 Superficially it has much the appearance of an unusually red 

 Myotis lucifugm, and only on examination of the teelh do the 

 animal's true relationships become apparent. 



A few individuals were found in an unoccupied house on the ed ge 

 of the town of Montechrislo. Apparently the species was uncom- 

 mon. 

 Dasypterus floridanus sp. nov. 



7}/;;e.— Adult female (skin and skull), Xo. 111,379, United 

 States National INIuseum. Collected at Lake Kissimmee, Fla., 

 March 28, 1901, by Dr. Edgar A. JNIearns. Original number, 

 5,183. 



Characters. — Color as in the large Dasypterus intermedius (H. 

 Allen) and the small D. xanthhnis (Thomas) ; size intermediate 

 between these extremes. 



Measurements. — External measurements of type: Total length, 

 129; tail, 52; tibia, 20; foot, 9 (8.4); forearm, 49; thumb, 10; 

 second digit, 61 ; third digit, 98 ; fourth digit, 80 ; fifth digit, 65 ; 

 ear from meatus, 17; ear from crown, 11 ; Avidth of ear, 11. 



Cranial measurements of type: Greatest length, 18 (19.8) ;^ basal 

 length, 16.2 (17.6); basilar length, 13.6 (14); median palatal 

 length, 6 (6.4); iuterorbital constriction, 5 (5); zygomatic 

 breadth, 13 (14); mastoid breadth, 10 (11); mandible, 14.8 

 (15); l^maxillary toothrow (exclusive of incisor), 6.8 (7); man- 

 dibular toothrow (exclusive of incisors), 7.8 (8). 



Specimens Examined. — Eleven, from the following localities: 

 Florida — Davenport, 1 (skin) ; Kissimmee, 3 (skins) ; Mullet 

 Lake, 1; Old ToAvn, 2 (skins); Louisiana — Lafayette, 2; Houma, 

 2 (1 skin). 



Remarks. — Dasijpierus floridanvs differs from D. intermedius in 

 the I same manner as the Lower Californian D. xanthinus 



''Measurements in pnrcniheecs are those of an acliilt topotype of 

 Dasypterus intcvmcOiHs (No. 1.430). 



