BY THOS. STEEL. 107 



of about same width of speckled dark grey, well defined on its 

 inner margin and diffuse on its outer. Next to this is another 

 space of ground colour about Ih mm. wide, which again is bounded 

 by a strong dorso- lateral sharply defined black band — dark brown 

 in life— 1 mm. in diameter. The margins round to the ventral 

 surface are of the yellow ground colour. The sides bulge out a 

 good deal, while the dorsal surface is very slightly arched, and 

 the ventral quite flat, so that when the animal is crawling the 

 surface is in close contact with the ground. Between the central 

 bands and the lateral ones, and in tlie marginal space outside of 

 these, the dorsal surface is sparingly peppered with minute dark 

 brown punctations. At the anterior end all the bands blend into 

 a brown tip, while at the posterior end the central space of ground 

 colour continues right out, the marginal band on either side 

 sweeping round and joining the corresponding inner band. The 

 ventral surface uniform yellow, paler than the dorsal. 



Eyes large and conspicuous, single row round anterior tip, not 

 much side grouping, continued sparsely for some distance down 

 the sides. 



The specimen above described when alive and crawling was 

 250 mm. (10 inches) long by 6 mm. broad ; in spirit it is 163 mm. 

 (6^ inches) in length. The opening to the phar3rnx is 87 mm. 

 from anterior end, and the genital opening 41 mm. behind that. 

 Another spirit specimen 131 mm. long has the relative positions 

 of the apertures, as above, 78 mm. and 28 mm. respectively. 



Type specimen in Australian Museum; register number G. 1511. 



I/ab. — Bundanoon, N.S.W. 



This is the most massive land planarian with which I have 

 met. I have collected specimens of G. variegata, F. & H., almost 

 as long as my largest finds of this species, but, as a rule these are 

 not nearly so thick in proportion to their length. It is readily 

 distinguished from the allied form G. variegata by its yellow colour, 

 the diffuse central bands and the narrowness and sharp definition 

 of the dorso-lateral bands. In spirit the yellow colour dissolves, 

 leaving the body nearly wliite, but without altering the bands, 

 save to slightly darken them. 



