BY THOS. STEEL. 113 



Geoplana parva, n.sp. 



(PL VI. fig. 1.) 



The dorsal surface has in the middle a tapering band of yellow, 

 in the median line of which is a very narrow but strongl}' marked 

 line of dark brown. The yellow band tapers off towards the 

 anterior extremity and comes to a fine point about 2 mm. from 

 the tip, but extends quite out to the posterior end. 



The space on either side of the yellow band right to the 

 margins, and also round the anterior tip, is of a rich chocolate 

 brown, darkest on its inner margin. This ai'ea thus forms a pair 

 of broad marginal stripes. Close inspection shows that these 

 bands are really covered with close stipplings of brown, the yellow 

 body colour showing through. Towards the outer margins the 

 stipplings are thinner and the surface has there a mottled appear- 

 ance of mixed yellow and brown. 



On the ventral surface there is a median white space corres- 

 ponding in position and dimensions with the dorsal yellow band, 

 in which, as in the previous species, the external apertures are 

 situated. The marginal area on either side of the clear space is 

 thickly speckled with light brown spots. These spots are well 

 defined and distinct, not running into one another to form 

 stipplings. 



Eyes conspicuous, arranged as usual in a single row round the 

 anterior tip, thickly grouped a short distance back, the grouping 

 extending well up on the brown bands nearly to the margin of 

 the median yellow area; any continuation of the eyes backwards 

 was not observed more than a few mm. from the grouping. 



The pharyngeal aperture is about the centre of the ventral 

 surface, and the genital opening midway between this and the 

 posterior end; both apertures conspicuous. 



Length in spirit 15 mm. by 2|- mm. at widest part. 



In shape exactly resembling G. elegans befoi-e descinbed, but 

 much smaller in size. 



Type in Australian Museum; register number G. 1516. 



Hah. — Nerang River, Southern Queensland (Mr. John S. Steel). 

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