1920. J G. A. BouLENGER : Frogs of the Genus Rami. Sy 



Head not or but slightly broader than long ; snout usuall}^ 

 pointed, but sometimes rounded ; interorbital space ? to I the width 

 of the upper eyelid ; t^'mpanum s to ? the diameter of the eye. 



First finger constantly longer than the second. 



Tibio-tarsal articulation reaching the tympanum, the eye, or 

 the nostril; heels meeting, or failing to meet; tibia zi to 3i times 

 as long as broad, usually much shorter than the foot; toes f to 

 nearly entireh- webbed, i or 2 phalanges of fourth free ; inner 

 metatarsal tubercle large, compressed, semicircular or semielliptic, 

 its base more or less oblique to the axis of the foot, i to i| times 

 in the length of the inner toe, and 5 to 8 times in that of the tibia ; 

 this tubercle often connected with the inner to2 by a membrane 

 which penetrates into the distal third of its base. 



Back with more or less distinct elongate glandular or inter- 

 rupted glandular folds ; dorso-lateral glandular fold prominent, | to 

 |- the width of the upper eyelid, extending to the hip, or if broken 

 up posteriori}- not deviating from its course. 



Coloration very variable. Green, olive, or brown above, with 

 or without black spots which may form longitudinal bands or 

 cross-l^ars on the back ; a pale greeii or j-ellow vertebral streak or 

 band usually present, the dorso-lateral folds also of a pale colour 

 and standing out \-ery conspicuously ; some specimens black abo\-e, 

 with three j-ellow streaks ; hind limbs usually with well-marked 

 dark cross-bands ; exceptionally a fine light line along the inner 

 side of the upper surface of the tibia ; groin and hinder side of 

 thighs yellow, marbled with black. Flower parts white, ah^ays 

 unspotted. Vocal sacs grey to blackish. 



Habitat. Amoor Province of Siberia, Saghahen Island, Japan, 

 Corea, Mongolia, China. 



The locahties Loo Choo Islands and Bangkok, Siam, appended 

 to specimens presented by Mr. G. B. Mason to the British :\Iuseum, 

 are probably erroneous. 



Measurements in millimetres. 



var. ridibunda. var. chinensis. 



I. 2. 3. 4. 5. 



From snout to 



vent . . 67 86 64 63 58 



Head .. 24 28 23 22 21 



Width of head . . 24 30 24 23 21 26 25 32 31 

 Snout .. 9 12 8 9 7 

 Eye . . . . 7 8 8 7 6 

 Interorbital width 2 2-5 2-5 2-5 2 

 Tympanum . . 56554 



Fore limb . . 35 47 33 35 35 40 39 5° 45 43 3J 



First finger .. 7 1 1 7 8 7-5 7 9 12 



Second finger . . 610 7 8 7 7 811 



Third finger .. 11 14 9 II II 11 12 14 

 Fourth finger . . 6966-56789 



Hind limb .. 103 128 93 92 90 icx) no 122 125 119 



Tibia .. 34 43 29 29 27 34 35 43 4' 37 28 



Foot .. 35 44 31 31 31 39 38 4* 45 42 32 



Third toe .. 19 24 lO 17 18 21 2! 36 27 23 



