n mill 
On some tree-frogs allied to Hyla caerulea. 
imetres. 
H. H. 
militaria 
H. infrafrenata 
spengeli 
9.| 30. 31.| 32. 33. 34.| 35.| 36. 37.138.|89.|40.| 41.| 42. | 48. 44. 
| | | 
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| | | | 
19. 2 N. Queensland (Melbourne Mus.). 
Ei 2 Ferguson Island, New Guinea. 
Q Great Kei Island. 
En © Misol. 
23. 2 Maupa, New Guinea. 
24. 2 Cooktown, Queensland. 
3l—34. 4 Ceram. 
39—36. ? Taarat Tenimber Islands. 
37. 2 Dinawa, New (suinea. 
38—39. / Kayeli, Buru. 
40. Ye. Trobriand Islands, New Guinea. 
41. Ye. Cape York (Type). 
25. 2 Amboyna. 2.9 \ 
er Tran: 43. „ıy Puke of York Island. 
27. £ Mimika R., New nme. 44. 2 Dinawa, New Guinea. 
28-30. 5" Gilolo. ‘d' Madew, New Guinea. 
as large as the tympanum. Tibio-tarsal artieulation extending a 
little beyond the tip of the snout; tibia more than half length of 
head and body. Upper parts with scattered small granular warts, 
some of which are capped with deciduous, conical, black horny tubereles: 
sides, belly, and lower surface of thighs granulate. From snout to 
vent 100 millim. Purple above (in spirit), more pinkish round the eyes, 
on the arms, sides of thighs, and hands and feet, white beneath; no light 
border to the lower jaw. Nasal bones widely separated from each other. 
The male is provided with a moderately-developed external sub- 
gular vocal sac. The remarkable secondary sexual characters which 
distinguish it from the males of the allied species reside in the presence 
of a spine-like process on the front side ofthe proximal part of the 
shaft of the humerus, and of two deeiduous black horny plates studded 
with spines, on the inner side of the inner finger. The humeral spine 
is curved, acutely pointed, and direeted outwards; it may be felt under 
the skin on each side of the breast. The black horny plates consist 
of a large, transversaly oval convex patch on the metacarpal, 
H. 
humeralis 
