B0MBINAT0R. 



159 



their ever spending the winter in the mud at the 

 bottom of pools, as they are believed by Fatio occa- 

 sionally to do. 



Eggs. — Do not differ materially from those of the pre- 

 ceding species. Upper hemisphere pale brown, lower 

 yellowish- white. The figure here given is a copy of 

 Heron- K oyer's. 



Fig. 59. 



Tadpole (PI. I, fig. 3). — One very striking character 

 distinguishes this tadpole from the preceding, viz. the 

 shape of the mouth, which is elliptical as in other 

 genera of Discoglossidse. The tail is, as a rule, rather 

 shorter, and the muciferous crypts are hardly distin- 

 guishable in the tadpoles obtained by me ; however, 

 it is very probable that the latter difference would not 

 prove constant if tested on more extensive material. 



Body 17 mm. ; width of body 14; tail 20; depth of 

 tail 10. 



Habitat. — Bombinator pachypus has a very exten- 

 sive range in Europe. It is found nearly all over 

 France with the exception of the north coast of 



