204 Dr. C. I. Forsyth Major on the 
XXVI.— Description of a new Gecko from the Niger Delta. 
By G. A. BouLencer, F.R.S. 
Hemidactylus Ansorgii. 
Head elongate, once and three fourths as long as broad, 
not very distinct from neck ; snout obtusely pointed, longer 
than the distance between the eye and the ear-opening ; fore- 
head slightly concave ; ear-opening vertically oval, more than 
half the diameter of the eye. Body and limbs rather slender. 
Digits moderately elongate, free, normally formed, the inner 
well developed; 5 lamelle under the pollex, 8 under the 
fourth finger, 6 under the hallux, 11 under the fourth toe. 
Head covered with very small granules, which are larger on 
the snout ; rostral four-sided, twice as broad as deep, with 
median cleft above; nostril pierced between the rostral, the 
first upper labial, and three nasals ; 11 upper and 12 lower 
labials ; symphysial triangular, twice as long as the adjacent 
labials; two pairs of chin-shields, the median pair forming a 
suture behind the symphysial. Upper surface of body 
covered with minute granules intermixed with small strongly 
keeled tubercles, forming 8 iregular longitudinal series ; 
ventral scales quite as large as the dorsal tubercles, imbri- 
cate, smooth. No enlarged tubercles on the limbs. A short 
angular series of 9 preeanal pores. Tail cylindrical, slender, 
covered above with small granules and transverse series of 
subconical tubercles, beneath with large, irregular, imbricate, 
smooth scales. Dark brown above, with some lighter spots ; 
whitish beneath, finely speckled with brown. 
willim. 
MiGtalleneth jaeeen aden coerce a 115 
Jaletxol ohne Pe ereosor ere I icavevasens 16 
Wadthvofihead@ cn. sees eine ae ko 
BOY sce ttereasrs orssevaite auete bie molccle exayecine 39 
Froredam ies. ais cenit ecete ore asteusnotersastre 19 
Rin aim: 4 aca apteerataes, crates arse steeahaete 25 
Detalles 5.2 say nator in savasel Qe oh tamed raahouen sl okeheer ot teke 60 
A single specimen from Sapele Station, Niger Delta; pre- 
sented to the British Museum by Dr. W. J. Ansorge. 
XXVII.—The Musk-Rat of Santa Lucia (Antilles). 
By C. I. ForsytH Magor. 
THe obvious inference that the musk-rats of the Antilles 
pertain to the Hesperomyine was first announced by the 
Secretary of the Zoological Society of London when regis- 
tering a specimen from Santa Lucia amongst the additions 
