16, 3 Taylor: Philippine Amphibia 273 
Measurements of Rana similis (Giinther). Nos. F826 and F325. 
mm, mm, 
Length, snout to vent 46 46 
Length of head 17 16 
Length of snout 6.5 6.6 
Width of head 14 14,2 
Diameter of eye : 6.5 6.2 
Diameter of tympanum 4.6 4.2 
Depth of head, in front of eye 6 6 
Foreleg 31.5 28.2 
Longest finger 11 11.6 
Hind leg 77 69.5 
Femur 19.5 18.5 
Tibia 24 19.5 
Foot 33 31 
Longest toe 5 ara 
Toe disk 1.2 1.5 
Variation Eight specimens in my collection from Los Bafios 
exhibit but very little variation in color and markings. All ap- 
pear to be males; at least all have the internal openings to the 
vocal sacs. Comparison of the measurements in the preceding 
table with the following measurements of several specimens will 
show that there is a slight variation in the length of the hind 
leg. ry 
Body length. Hind leg. 
mn. mm. 
43.5 70 
46 17.5 
46.5 7 - ES 
41 67.5 
44.5 69 
44 69 
45.2 71.5 
In these specimens the tibiotarsal articulation reaches to the 
eye and, possibly, slightly beyond. 
Remarks.—The smooth skin, the shorter legs, the presence of 
a Swelling, or papilla, on the anterior part of the tongue, and 
the gland on the upper arm seem to distinguish this species from 
Rana signata Giinther. Rana moellendorfi Boettger, from Pa- 
lawan and the Calamianes, is very closely related also; the 
markings, however, of R. moellendorffi are strikingly different, 
the interorbital distance is wider, usually one and a half times 
the eyelid, and the papilla is absent from the tongue. Other 
differences are in evidence on a comparison of the specimens. 
Specimens in the collections are from Bataan and Laguna 
Provinces, Luzon; the type is from “Laguna de Bay,” Luzon, and 
