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Skull of Glyphodon tristis. 
1. Glyphodon tristis. (Puarn XVIII. fig. 1.) 
Glyphodon tristis, Giinth. Cat. p. 211 (1858). 
Brachysoma triste, Giinth. Ann. § May. N. H. (8) xi. 1868, p. 24; 
Krefft, Sn. Austral. p. 50 (1869) ; Ramsay, Proc, Linn. Soc. N.S. W. 
ii. 1877, p.113; Douglas-Ogilby, Rec. Austral. Mus. i. 1890, p. 97. 
Snout rounded, Eye very small, about half’ as long as its distance 
from the mouth, Rostral twice as broad as deep, visible from above ; 
internasals one half to two thirds the length of the prefrontals ; 
frontal once and one fifth to once and a half as long as broad, at 
least twice as broad as the supraocular, as long as its distance from 
the rostral or the end of the snout, three fifths to two thirds the | 
length of the parietals; posterior nasal widely separated from the : 
single preocular; two postoculars; temporals 2+ 2, lower anterior 
wedged in between the fifth and sixth upper labials; six upper labials, 
second or second and third in contact with the prefrontal, third and . 
fourth entering the eye; four lower labials in contact with the . 
anterior chin-shields, which are as long as or a little shorter than 
the posterior. Scales in 17 rows. Ventrals 165-179; anal divided ; 
