THE PRINCIPAL SPECIES OF POISONOUS SNAKES 99 
two small teeth near their posterior extremities ; mandibular 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. calonota.—Six su- 
pralabial shields; 126—131 
ventrals ; 29—30 subcaudals. 
Fig. 64.—Furina 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 
Fic. 63.—SKULL oF Furina occipitalis. white. 
(After G. A. Boulenger, op. cit.) Total length, 215 milli- 
metres ; tail 33. 
Habitat : West Australia. 
(2) F. bimaculata.—Scales in 15 rows; 181—200 ventrals; 
91—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 
