BATRACHIANS FROM SOUTHERN ANNAM, 439 



Megalophrys intermedius, sp. n. 



A form intermediate between M. carinense and M. /ece, 

 differing from the latter in the web between the toes, and from 

 the former in the more posterior position of the vomerine teeth, 

 and from both in several other small points. 



Tongue feebly nicked behind. Vomerine teeth present in two 

 widely-separated groups just behind the level of the choans8. 

 Head large and depressed, lf-2 times as broad as long; snout 

 rounded, hardly as long as the eye, not projecting beyond the 

 lower jaw ; canthus rostralis very distinct ; loreal region slightly 

 oblique, feebly concave; nostril equidistant from the eye and the 

 snout; interorbital space I5 times to nearly twice as broad as 

 the upper eyelid ; tympanum hidden. Fingers short, with feebly 

 swollen tips, 1st and 2nd about two-thirds length of 3rd ; no sub- 

 articular tubercles; metacarpal tubercles very indistinct; toes 

 with feebly swollen tips one-third to one-half webbed, the web 

 extending as a fringe along either side ; no subarticular tubercles ; 

 a large oval, flat, inner metatarsal tubercle; tibio-tarsal articu- 

 lation reaching to nearly, or quite, the commissure of the jaw ; 

 tibia one-third to two-fifths in length of head and body; foot 

 longer than the head. Upper eyelid with conical tubercles, one 

 of which is enlarged to form a short horn ; an oblique glandular 

 fold on the back parallel with the supratemporal fold usually 

 present ; more or less distinct oblique folds across the limbs, 

 throat finely granulate, belly nearly smooth. 



Colour in life. Above bronze or dark coppery, the head and 

 fore part of the body, outside the dorsal glandular fold, usually 

 lighter. Back usually with indistinct light and dark markings ; 

 arms and legs with dark cross-bands ; a dark patch over the 

 region of the tympanum and dark bars below the eye. Below 

 dark brown to bronze, paler on the belly. ■ Dorsal fold and 

 tubercles on the flanks black on their inferior aspect, light 



Measurements of type series in mm. 



Author's Nos 2070 2073 2075 2078 2067 2086 207'i 2085 2076 2084 2083 



Snout to vent 92 94 103 92 'M 97 99 103 86 63 43 



Head (to occiput)... 27 25 2fi 25 25 25 25 23 23 18 14 



Width of head 50 46 49 47 'J 8 46 48 51 44 30 22 



Length of snout ... ■12 12 13 12 12 12 12 12 11 9 6-5 



Diain.ofeye 9 9 9 9 8 9 8 10 85 5 5 



Intei-orb. width ... 13 13 13 ' 12 13 12 13 12 12 9 7 



Fore limb 52 51 50 48 54 52 54 58 50 32 23 



Hand 25 25 24 24 24 24 26 27 23 16 12 



Hind limb 7 -^, ^ j^g ^^q ^^.^ ^^. -^^. -^-^^ -^^^ -^^^ gg ^ 



(to artic.) ) 



Tibia 30 39 36 36 36 35 36 . 37 32 22 15 



Foot 37 39 35 36 38 38 38 42 32 22 17 



