1920.] G. A. Boui,EXGER : Frogs of the Genus Rana. 179 



I. Matang, Borneo (type). 2-7. Lanas, Brunei, Borneo. 8. Akar R., Sarawak. 

 9. Laguna del Bay, Luzon (type of R. similis). 



Habitat. ;\Ialay Peninsula (between Kedah and Perak), vSu- 

 matra, Borneo, Luzon. 



94. Rana picturata, sp. n. 



Vomerine teeth in oblique groups or short series between the 

 choanse, close together or equally distant from each other and 

 from the latter. 



Head as long as broad, much depressed ; snout rounded or 

 obtusel}' pointed, feebly projecting beyond the mouth, shorter 

 than the, eye; canthus rostralis distinct; loreal region feeblj' ob- 

 lique, concave ; nostril nearer the tip of the snout than the eye ; 

 distance between the nostrils equal to or a little less than the 

 interorbital width, which is equal to or a little less than that of 

 the upper eyelid ; tympanum very distinct, ■,; to I the diameter of 

 the eye, 3 to 4 times as long as its distance from the latter. 



Fingers rather long and slender, the tips dilated into small 

 discs which are longer than broad and with a groove separating the 

 upper from the lower surface ; first linger longer than the second, 

 third longer than the snout ; sub articular tubercles large and very 

 prominent. 



Hind limb rather long, the tibio-tarsal articulation reaching 

 the tip of the snout or between the eye and the tip of the snout, 

 the heels overlapping when the limbs are folded at right angles to 

 the body ; tibia 4 to 5|- times as long as broad, a little more than 

 half the length from snout to vent, much shorter than the fore 

 limb, as long as or slightly longer than the foot. Toes with the 

 tips dilated into small discs similar to those of the fingers, about 

 f webbed, the web reaching or nearly reaching the discs of the 

 third and fifth, two phalanges of fourth free; outer metatarsals 

 separated nearty to the base ; subarticular tubercles moderately 

 large, verj^ prominent ; no tarsal fold ; inner metatarsal tubercle 

 oval or elliptic, moderately prominent, I to j the length of the 

 inner toe ; a round outer tubercle. 



Upper parts more or less granulate, lower smooth. 



Black above with numerous large yellow or pale brown round 

 or irregular spots or marblings, the round spots sometimes with 

 black centres ; a yellow streak round the upper surface of the 

 snout and the borders of the upper eyelids, sometimes continued 

 on each side of the back ; upper lip with small yellowish spots ; 



