354 COLUBRID. 
a-b, 2 (V. 181, 184; C. N.W. Australia. Museum Godeffroy. 
33, 32) 
e. 2 (V. 136; O. 30). Port Lincoln. G. Krefft, we [P.] 
d-f.d (V.134; 0.35) & yg. S. Australia. Dr. Fleming my 
(V. 128, 129 ; C. 34, 31), (Types of H. temporailis.) 
g. Skull of e. 
226, ACANTHOPHIS. 
Acanthophis, Daud. Hist. Rept. v. p. 287 (1803) ; Wagl. Syst. Amphi, 
p. 172 (1880) ; Gray, Cat. Sn. p. 34 (1849) ; Dum. § Bibr. hy! 
Gén. vii. p. 1888 (1854); Cope, Proc, Ac. Philad. 1859, p. ; 
Jan, Elenco sist. Ofid. p. 120 (1868) ; Krefft, Sn. Austral. p. 79 
(1869). 
Ophryas, Merrem, Tent. Syst. Amph. p. 146 (1820), 
Vipera, part., Schleg. Phys. Serp. ii. p. 573 (1887), 
Maxillary extending forwards as far as the palatine, with a pair 
of large grooved poison-fangs followed by two or three small teeth ; 
anterior mandibular teeth strongly enlarged, fang-like. Head dis- 
tinct from neck; eye small, with vertically elliptic pupil; nostril 
in the upper part of a single nasal; no loreal, Body stout, cylin- 
drical ; scales more or less distinctly keeled, without pits, in 21 or 
23 rows; belly rounded. Tail short, compressed at the end and 
terminating in a long spine turned upwards; anterior subcaudals 
single, posterior in two rows. * 
Moluccas, Papuasia, Australia. 
Fig. 25. 
Skull of Acanthophis antarcticus. 
This skull is remarkable for the presence of a strong outer 
process, directed downwards and backwards, on the ectopterygoid. 
Such a process is present, but less developed, in some of the Hydro- 
phine (Hydrus, Distira), 
