60 a A LA XI AS FROM MOUNT KOSCH'SKO, 



to preclude the possibility of many plants and animals finding 

 their way across "either by flight or drift."* 



In the case of Galaxias the ova might easily have been carried 

 across on the feet or plumage of water-birds, or, as seems to me 

 a more simple and natural solution, some individuals having been 

 swept out to sea by floods in their native rivers, have survived the 

 passage across the intervening belt of ocean and successfully 

 colonised the shores to which they wandered, f 



Galaxias findlavi. 



Galaxias Jindlnyi, Macleay, Proc. Linn. 8oc. N. S. Wales, 1882, 



vii. p. 107. 



B. ix. I>. 12-13. A. 11-12.+ V. 9. P. 16. C. 16. Vert. 

 37-38/23. 



Body stout to slender, the head broad and depressed. Length 

 of head 41 to 51, depth of body 5i to 8 in the total length; 

 width of body equal to or a little less than its depth, 1^ to If, of 

 interorbital region 24 to 3i, diameter of eye 4 to 5f in the length 

 of the head ; snouth obtuse, from three-eights to three-fourths of 

 a diameter longer than the eye, which is very small. Lips thick 

 and fleshy ; the maxillary reaches to the vertical from the middle 

 of the eye or not quite so far; lower jaw included. Seven or eight 

 gill-rakers on the lower branch of the anterior arch. Jaws with 

 a single series of moderate hooked teeth of somewhat irregular 

 size; palatines Avith a similar series along their inner border 

 directed inwards and backwards; a series of five strong hooked 

 teeth on each side of the tongue and a single median tooth in 

 front; vomer toothless. Dorsal fin obtusely pointed or rounded,.!^ 



* Hedley, I.e. p. G. 

 ■t For an analout>us example of colonization see Ogilljy, Proc. Roy. 

 Dublin Soc. 1885, p. 529, re Coregonus poUan. 



X The small rod-like rays in front being variable in number are not 

 included, the computation being made from the first normally articulated 

 ray. 



§ In tiie largest example all the fins are rounded except the caudal. 



