188 Mr. O. Thomas on 
the nostril white; tympanum reddish ; limbs with numerous 
regular dark cross-bars ; lower parts white, uniform or dotted 
with brown. Male without humeral gland, with a large 
external vocal sac on each side of the throat. 
From snout to vent 46 millim. 
Four male specimens. 
Closely allied to &. alttcola, Blgr., which differs in the less 
prominent snout and the less deeply concave loreal region. 
Rhacophorus corticalis. 
Vomerine teeth in two small oblique groups between the 
choane. Head large, very strongly depressed; snout 
rounded, with prominent canthus, and very oblique slightly 
concave loreal region ; interorbital space as broad as the 
upper eyelid; tympanum as large as the eye. I ingers free, 
ending in very large disks; toes entirely webbed, the disks 
smaller than those of the fingers. ‘Tibio-tarsal articulation 
reaching the anterior border of the eye. Skin above very 
rough with large irregular warts studded with small granules ; 
lower parts granular; large conical tubercles on the back of 
the thighs near the vent. Dark olive above, marbled with 
blackish ; sides and lower parts yellow, spotted or marbled 
with black ; limbs with dark bars, extending across the lower 
surface of the leg. Male without vocal sac. 
From snout to vent 70 millim. 
Two specimens, male and female. 
Very closely allied to R. leprosus, Schleg.; distinguished 
by a still more depressed head, a larger tympanum, and the 
presence of conical warts on the back of the thighs. 
X.—On Two new Muride from Smyrna. 
By OLpFIELD THOMAS. 
Tue British Museum is indebted to Mr. W. Griffith Blackler 
for examples of a mouse and a gerbille from Smyrna which 
appear to represent new forms of their respective genera. 
Mus mystacinus smyrnensis, subsp. n. 
Similar to the typical MZ. mystacinus, Danf. & Alst.*, and 
to the very closely allied M. epimelas, Nehr.t, but with a 
pure white belly. ; 
*-P, Z.S. 1877, p. 279. 
+t SB. Ges. nat. Fr. Berl. 1902, p. 2. 
