Journal of the Federated Malay States museums - Sabrizain.org

igi6.] Robinson : Vertebrates of Pulau Panjang. 65
rufous." Resemb-
colour is more clearlj t ufous or " vinai > ms
lin • Sc. : luteus in these respects but a much smaller form.
Measurements: External measurements oi the type, taken
in the flesh: hi a 1 and bo ly, 185, 17'"': tail, 162, [158) : :
Hf.,
1 1'5, |oi ear, 15 mm., I r.6
Average and extremes of ten specimens; head and body,
183, (170-192); tail, 160-5. (142-175); hind-foot, 42^3,
(40-46.5); ear, r.6, (15-18). Cranial measurements of type:
5
" 1 : condylobasilai length, 39-1
greatesl length. 45-8 1 4
(38-8): diastema, 10-4 (10-3): zygomatic breadth. 28-3 :6 -
o)
median length of nasals, 1 y 3 (13*1) ; upper molar series includ-
ing pm 3 8-9, (8-3).
Average and extremes often specimens: greatest length.
indylo- basilar length, 401, (38*2 42^0)
47'i. i (45*6 48 5);
diastema, io'o 1 io'o-i i"2) ; zygomatic breadth, 28-4 (2 7'8-29.3);
median length of nasals. 14-0 1 ij'.i- 14'M : maxillary tooth row
including pm 3 , 8*9, (8*4 9-3) mm. For detailed measurement
see table on p. 67.
Specimens examined. Fifteen, all from Pulau Mapor.
RATTUS SURIFER LINGENSIS 1
Miller).
1 :
>
1
Mus lingensis, Miller, Proc. Acad. Nat. Sci. ii, p. 266
(1900); id. Proc. Acid. X. it. Sri. Philadelphia, 1902, p. 154:
id. Proc. U.S. Nat. Mus. xxxi, p. 266 1906 Lyon, op it, xxxi,
p. 655 (1907); Thos. and Wrought. Journ. Fed. Malay States
Mus. iv, p. 125
484 (1909).
(1909); Lyon, Proc. U.S. Nat Mus. xxxvi, p.
A very large series of this rat was collected on
which for the present we refer to this rare The
Mapor
colour
characters assigned to it as compared with E. surifer from the
mainland h Id i I. viz.. a dull, more clay-coloured tint with
much less ichra is orange on the flanks and a greatei admixture
of black on the back, bul we arc unable to see that the
Rhio foi ni has a narrower palate as stated bj Miller. The tail
is perhaps, 011 an average, relatively shorter than in the mainland
form and the skull is somewhat more heavily built with a
greater development of the
-
1 1
Tin- skull dimi n ion even if equally adult animals from
the same island are compared are, as Lyon notes, variable.
m Karimon and Kundnr sei m to be the largest
and those from Bati im and Bintang on the whole dullest in
tint. The race i much more closely related to those inhabitin;;
the is! mds f tru east oasl of the Peninsula than to the
lightly built, bright coloured animal found in Singapore.
Epi'mys surifer leonis (Robinson and Kloss). About fifty specimens,
adult and young, were obtained. For measurements
See p. 68.
* Measurements in parentheses these of the type of Sciurus vittatus
famulus from Pulau Dayang nr. Pulau At.r (Robinson. Ann and Mag Nat.
; !