13 



spotted or marbled with dark brown. From snout to vent: 

 cf 82, 9 I2 7 mm - 



Male with an internal vocal sac. 



Closely related to M.montana; distinguished by the appen- 

 dage on the end of the snout and the usually greater length 

 of the palpebral appendage. 



According to Flower the colour is very variable in the same 

 individual, but always resembling that of dead leaves. In 

 copula the male embraces the female round the lumbar region. 



Habitat: Sumatra (Langkat!; Deli!; Serdang! ; Karo High- 

 land, 1400 m. ! ; Batak mts., ^300 and 800 — 1000 m. ! ; Mt. 

 Simbolon; Mt. Ophir, 400 m. ! ; Batang Singgalang; Batu Sang- 

 kar, between 450 and 900 m. ; XIII-Koto ; Balun ! and Mua- 

 rolabuh ! in the Padang Highlands; Rimbo Pengadang in 

 Lebong! ; Hari leko riv. !, Penanggungan and Benakat in Palem- 

 bang) ; Natuna islands; Borneo (Mt. Kina Balu, 640 m.; Koung; 

 Kiou ; Serawak; Mt. Dulit; Matan ; Kahajan!; Pramassan-Alai 

 mts.). — Siam ; Malay Peninsula; Singapore. 



4. Megalophrys hasselti (S. Mull.). 



Leptobrachium Hasseltii (Mull.) Tschudi, Mem. Soc. Sc. nat. Neuchatel, II, 



1839, p. 81. 

 Rana Hasseltii Schlegel, Handl. Dierk., Breda, 1858, II, p. 56, pi. IV, fig. 71. 

 Leptobrachium hasseltii Boulenger, Cat. Batr. Sal. Brit. Mus., 1882, p. 441. 

 Leptobrachium moiitanum Fischer, Arch. f. Naturgesch., LI, I, 1885, p. 44. 

 Leptobrachium hasseltii Boulenger, Proc. Zool. Soc. London, 1890, p. 37 (with 



tadpole). 

 Leptobrachium hasseltii v. Kampen, Weber's Zool. Ergebn., Leiden, IV, 1907, 



p. 408 (with tadpole). 

 Megalophrys hasseltii Boulenger, Proc. Zool. Soc. London, 1908, p. 425, pi. XXV, 



fig- 3- 

 Megalophrys Hasselti v. Kampen, Nat. Tijdschr. Ned.-Indie, LXIX, 1909, 



p. 27, pi. II, fig. 1 (tadpole). 

 Megalophrys hasseltii Boulenger, Vert. Fauna Malay Penins., Rept. and Batr.. 



London, 1912, p. 282. 

 Megalophrys hasseltii Annandale, Mem. Asiat. Soc. Bengal, VI, 1917, p. 1 53, 



pi. VI, fig. 9 (tadpole). 

 Megalophrys hasselti Taylor, Philipp. Jrn. of Sc, XVI, 1920, p. 355, pi. VIII, 



figs. 4, 4 a. 



Tongue nicked behind ; no vomerine teeth. Head large, about 

 once and a fourth as broad as long; snout rounded, not pro- 

 jecting, about as long as the upper eyelid, hardly longer than 

 deep; canthus rostralis distinct, curved; loreal region very 



