\g6 



Distinguished from R. glandulosa by the shorter web between 

 the toes. 



Habitat: Banka ! ; Borneo (Baram riv.). 



24. Rana luctuosa (Ptrs.). 



Limnodytes luctuostis Peters, Monatsber. Akad. Berlin, 1871, p. 579. 

 Limnodylcs luctuostis Peters, Ann. Mus. Genova, III, 1872, p. 43, pi. VI, fig. i. 

 Ratia luctuosa Boulenger, Cat. Batr. Sal. Brit. Mus., 1882, p. 68. 

 Raua dccorata Mocquard, Nouv. Arch. Mus. d'Hist. nat., (3) II, 1890, p. 145, 



pi. X, figs. I — \b. 

 Rana luctuosa Flower. Proc. Zool. Soc. London, 1896, p. 904, pi. XLVI (tadpole). 

 Rana luctuosa Flower, Proc. Zool. Soc. London, 1899, P- ^9^. 

 Rana luctuosa Boulenger, Vert. Fauna Malay Penins., Rept. and Batr., London, 



1912, p. 238. 

 Rana butuosa Boulenger, Rec. Ind. Mus., XX, 1920, p. 1 83. 



Vomerine teeth in two small oblique groups or short series 

 between the choanae. Head as long as broad; snout rounded, 

 as long as or a little shorter than the eye, feebly projecting; 

 canthus rostralis indistinct; loreal region scarcely oblique, 

 feebly concave; nostril in the middle between the eye and 

 the tip of the snout; interorbital space broader than the upper 

 eyelid ; tympanum distinct, -[.-^ to ^/^ the diameter of the eye. 

 Fingers with very small, toes with a little larger disks; first 

 finger extending beyond second ; toes '/g webbed ; outer meta- 

 tarsals ^3 separated; subarticular tubercles moderate; a small, 

 oval inner, and a very small outer metatarsal tubercle; no 

 tarsal fold ; the heel reaches the tip of the snout or between 

 eye and tip of snout; tibia '/^ the length from snout to vent 

 or a little longer; when the hind limbs are folded at right 

 angles to the body, the heels are overlapping. 



Skin smooth. 



Upper surfaces of head and back bright red or rich dark choco- 

 late-brown, bordered on each side, from the end of the snout to 

 the base of the hind limbs, by a very distinct white or yellow 

 line; sides of head and body very dark brown or black; 

 tympanum dark reddish brown to nearly black ; sides of body 

 with a few white or yellow spots, sometimes forming an irre- 

 gular line from angle of mouth to thigh; limbs very dark 

 brown or bluish black with light marblings or transverse lines; 

 beneath dirty buff, darker on the limbs, sometimes with small 

 light spots; throat brown or black. From snout to vent 60 mm. 



Male without vocal sacs. 



