THE PBIXCIPAL SPECIES OF POISONOUS SXAKES 



99 



two small teeth near their posterior extremities ; mandihular teeth 

 subequal. Head small, not distinct from neck; eyes very small, 

 with round pupils ; nostril in a single nasal shield. Body cylin- 

 drical ; scales smooth, in 15 rows. Tail very short, obtuse ; sub- 

 caudals in 2 rows. 



(1) F. calunota. — Six su- 

 pralabial shields ; 126 — 131 

 ventral s ; 29 — 30 subcaudals. 



Fig. 63. — Skull, op Farina occipitalis. 

 (After G. A. Bouleuger, o|). cit.) 



Fig. Gi. — Fitrina occipitalis. 



Colour yellow, with a 

 black vertebral stripe ; a 

 black bar across the end of 

 the snout ; a large black 

 blotch covering the vertex 

 and the parietals ; belly 

 white. 



Total length, 215 milli- 

 metres ; tail 33. 

 Habitat : West Australia. 



(2) F. himaculata. — Scales in 15 rows ; 181 — 200 ventrals ; 

 21 — 25 subcaudals. 



Colour yellow, with large black blotches on the snout, middle 

 of head, and occiput ; belly white. 



Total length, 330 millimetres ; tail 25. 

 Habitat : West Australia. 



(3) F. occipitalis (fig. 64). — Scales in 15 rows; 180 — 234 ven- 

 trals ; 14 — 25 subcaudals. 



Entire body ringed with black and white, annuli narrower on 



