Myotis &c. from Central and South America. 545 
greatest breadth 37; nasals 29 (diagonally) x 13°7; inter- 
orbital breadth 17, breadth of occipital shelf 9; diastema 22 ; 
length of palate 29°5; palatal foramina 17°5 xX 7:3; greatest 
antero-posterior diameter of bulla 7:3. 
Hab. Carondelet, Rio Bogoté, Province of Esmeraldas, 
N. Ecuador. Altitude 20 m. 
Type. Female. Collector’s number 94. Killed 14th Octo- 
ber, 1900. ‘Two specimens examined. 
This interesting little hare, the first described from the low 
country west of the Andes, may be readily distinguished from 
all others by its short, nearly black ears, minute bull, 
rudimentary tail, and general dark coloration. 
Metachirus nudicaudatus pheurus, subsp. n. 
Similar in general characters to the typical form, but the 
tail uniformly dark brown to the tip. 
Colour of the usual buffy grey-brown; dark dorsal area 
well marked. Supraorbital spots prominent, yellowish white. 
Middle line of face, crown, and nape blackish. Under surface 
dull buffy white, not sharply defined laterally. Upper surface 
of wrists and metacarpals brown, of hind feet greyish. ‘T'ail 
uniformly blackish brown throughout, except that there are a 
few indistinct whitish mottlings along the middle line below. 
Dimensions of the type (not fully adult, measured in the 
flesh) :— 
Head and body 214 millim.; tail 251; hind foot 39; 
ear 29. 
Skull: greatest length 52; basal length 48; zygomatic 
breadth 26°5; nasals 27:5 x 7:2 5 intertemporal breadth 8-7 ; 
breadth of brain-case on squamosals 17 ; combined length of 
three anterior molariform teeth 9. 
Hab. St. Javier, Lower Cachavi River, N.W. Ecuador. 
Altitude 20 m. 
Type. Male. B.M. no. 1. 8. 19.44. Original number 24, 
Collected 19th May, 1900. 
This form presents a remarkable parallel to J. opossum 
melanurus, Thos.*, from the same district, which, exactly as 
in the present case, agrees with its allies elsewhere in all 
respects, except that it has a wholly dark instead of a white- 
tipped tail. 
The material at my disposal is not sufficient for me to 
criticize Dr. Allen’s separation of M. Tschudi? and M. n. colom- 
bianus from the typical MW. nudicaudatus, but both, like the 
latter, have white-tipped tails. 
* Ann. & Mag. Nat. Hist. (7) iv. p. 285 (1899). 
