31 



Bogadjim, Bongu, Astrolabe Bay, Sattelbert; 800 M., Bara 

 Bara, Albeit Kdward Range 6000 feet, Dinawa in Owen Stanley 

 Range, Milne Bay, St. Joseph river); Schouten Islands (Mysore). 



Subfamily B o i n a c. 

 5. Enygrus Wagler. 



(Wagler, Syst. Anipli. p. 166, 1830). 



Head distinct from neck, covered with small scales; eye 

 with vertical pupil; praemaxillary without teeth; anterior teeth 

 large, posterior small. Body compressed, covered with keeled 

 scales. Tail short, prehensile; subcaudals single. 



Distribution. Moluccas; New Guinea; Polynesia. 



Key to the I n d o - A u s t r a 1 i a n species. 



A. Two or three labials entering the eye I.E. cariini/iis p. "51. 



/>. A series of suboculars. 



1. Subcaudals 14 — 22 2. E. asper p. 32. 



2. Subcaudals 50—62 3- /^'. australis p. 33. 



I. Enygrus carinatus (Schn.). 



Boa carinata., Schneider, Hist. Amph. II 1801, p. 261. 

 Enygrus carinatus.^ Boulenger, Cat. Sn. I 1893, p. 107 (s. syn.). 



Snout very prominent, obliquely truncate; canthus rostralis 

 angular; rostral more broad than deep, not visible from above; 

 sometimes some supraocular scales enlarged; head with small, 

 irregular scales, with small tubercles or short keels, five to 

 ten scales between the eyes on the forehead; eye bordered 

 by 10 — 14 scales; ten to thirteen upper labials, two or three 

 entering the eye. Scales in ■}^-iy — 43 rows, all strongly keeled, 

 the keels forming straight lines; ventrals 160 — 200 ; anal entire; 

 subcaudals 38 — 56. 



Yellowish or pale reddish-brown above with dark brown 

 markings. Length of head and body 790 mm.; tail no mm. 



Habitat: Celebes (Minahassa); Sangir Islands; Salibabu 

 Islands!; Halmahera!; Ternate!; Batjan!; Ceram!; Ambon!; 

 Haruku!; Saparua!; Banda; Goram; Timor Laut; Misol; Batanta; 

 Salawatti; New Guinea (Jobi, Rubi, Dorei, Sorong, Andai, 

 Mansinam, Djamna Island, Wendesi, Mawes, Humboldt Bay, 

 Tanah Merah Bay!, Kaiserin-Augusta or Sepik river!, Mimika 

 river, Lorentz river, Tami, Bongu, Bogadjim, Simpsonhafen, 



