150 



DISCOGLOSylDiH;. 



as deep, ending in an obtuse point ; tbe upper crest 

 convex, not or but slightly deeper tlian the lower, 

 and extending upon the back ; the muscular part at 

 its base two-fifths to one-half the total deptb. 



Mouth triangular. Beak white, edged with black. 

 Lips bordered by a series of papillae ; a well-marked 

 chink on each side of the lower lip ; series of labial 

 teeth f , occupying the whole width of the lips, all 

 uninterrupted, or the third lower broken up in the 

 middle ; the first upper and the first lower series 

 formed of two or three rows of teeth, the others of 

 two, tbree, or four. 



Well-marked series of muciferous crypts ; one on 

 each side of tbe head, from above the upper lip, 

 passing above the nostril and bordering the eye, then 

 descending towards the upper lip, where it curves and 

 ascends to below the eye; two on each side of the 

 back, beginning at some distance behind the eye, the 

 upper extending to the dorsal portion of the muscular 

 part of tbe tail, tbe lower very short and parallel to 

 the upper ; and finally a short curved one on each 

 side of the belly. 



Brown above, greyish-white below ; tbe series of 

 crypts whitish ; tail greyish, witb or without small 

 brown spots. A network of fine blackish lines 

 crossing each other at right angles is spread over 

 the whole tadpole. 



Total length 50 mm. ; body, 20 ; width of body, 16 ; 

 tail, 30; depth of tail, 15. 



Habitat. — Bombluator igiieiis must be regarded as 

 an Eastern species, essentially bound to the plain. 

 It inbabits Russia, west of tbe Volga, between lat. 47° 

 and 56°, Southern Sweden (Scania), Denmark, North 

 Germany (as far west as tbe Weser and Oldenburg), 

 Austria-Hungary, and Moldavia. As pointed out by 

 Wolterstorff and confirmed by v. Mehely, it avoids 

 billy districts, where it is replaced by its congener 

 B.pachi/ims ; only in a few places in Thuringia, Lower 

 Austria, and Transylvania are the two species to be 



