1908. J BATRACHIANS OF THE GEXUS MEGALOPHRYS. 411 



2. Tibio-tarsal articulation not reaching bej'ond eye (rarely slightly' beyond) ; 

 tibia at least twice in length from snout to vent ; toes with a slio'ht 

 rudiment of web. 

 Vomerine teeth present ; tympanum about J diameter of 



eye, which equals the distance between the two 5. M. robusta Blo-r. 



Vomerine teeth present ; tympanum f to f diameter of 



eye, which is less than the distance between the two... 6. 31. parva Blgr. 

 Vomerine teeth none ; tympanum f to f diameter ot eye, 



which is less than the distance between the two 7. M. boetfaeri Blo'r. 



II. Snout i-ounded or vertically truncate, not or but feebly projecting bej^ond lower 

 jaw. 



A. Tibio-tarsal articulation reaching the eye, or bejond ; head as long as broad 



or slightly broader than long j tympanum perfectly distinct; no vomerine 

 teeth. 

 Tibio-tarsal articulation reaching tip of snout ; tibia a 



little more than ^ length from snout to vent ; snout 



rounded 8. M. gracilis Gthr. 



Tibio-tarsal articulation reaching eye; tibia \ length 



from snout to vent ; snout truncate 9. M. heferopns Blo-r. 



Tibio-tarsal articulation reaching eye or between ej'e and 



nostril ; tibia i, or a little less than ^, length from 



snout to vent; snout rounded 10. M. pelod^ioides B\'j;i\ 



B. Tibio-tarsal articulation not reaching the eye ; tympanum feebly distinct or 



hidden. 



1. Head not more than once and g- as broad as long ; no vomerine teeth • 



toes i to i webbed. 



Foot longer than head 11. 31. botilengeri Bedr. 



Foot as long as head 12. 3£. Jtasseltii Tsch. 



2. Head at least once and | as broad as long; one or several conical tubercles 



on upper eyelid ; vomerine teeth usually present. 



Loreal region very oblique ; toes ^ to i; webbed 13. 31. carinensis Bl^r. 



Loreal region verj^ oblique; toes nearly free or with a 



mere rudiment of web 14. U./ci® Blo-r. 



Loreal region vertical ; toes with a mere rudiment of 



web 15. 31. baluensis Blgr. 



1, MeGALOPHRYS MONTANA. 



Megophrys inonticola Ktihl, Isis, 1822, p. 475. 



Alegalophrys montana Kiihl, in Ferussac, Bull. Sc, JSTat. ii 

 1824, p. 83 ; Wagler, Syst. Amph. p. 204 (1830) ; Tschudi, Cl'ass.* 

 Batr. p. 82 (1838) ; Dum. & Bibr. Erp. Gen. viii. p. 458 (1841) ; 

 Giinth. Cat. Batr. Sal. p. 36 (1858), and Ann. & Mag. N. H. (4) 

 xi. 1873, p. 419; Bouleng. Cat. Batr. Ecaud. p. 442 (1882); 

 M. Weber, Ann. Jard. Bot. Buitenzorg, xv. Suppl. ii. 1898, p. 5 '; 

 Laidla\v, Proc. Zool. Soc. 1900, p. 889 ; Annandale, Fasc' Mai ' 

 Zool. ii. p. 275 (1903). 



CeratO'phrys montana Gravenh. Delic. Mus. Zool, Vratisl p 47 

 (1829) ; Schleg. Abbild. p. 29, pi. x. fig. 3 (1837). 



Geratoplwyne montana Schleg. Handl. Dierk. ii. p. 57 (1858). 



Megalophrys montana, part., Giinth. Kept. Brit Ind p 413 

 (1864). 



Megalophrys montana, var. aceras, Bouleng. in Annandale & 

 Robins. Fasc. Mai., Zool. p. 131, pi. v. fig. 1 (1903). 



Tongue entire or feebly nicked behind. Vomerine teeth 

 usually present, in two widely separated small groups just 

 behind the level of the choanal. Head large, 1| to 1| times as 



