PAIEING AND OVIPOSITION. 



69 



Impregnation accompanies or immediately follows, in 



one or more emissions, the discharge of the eggs. 



The mode of embrace varies according to the species ; 



it is axillary in all our genera with horizontal pupil, 



and lumbar in the others, as shown in the following 



synopsis : 



Fig. 26. 



Pairs in embrace.^ A. Bufo vulgaris, b. Bana arvalis. 



I. Male holding the female round the waist. 



A. The hands joining on the pubic region (Fig. 



.25, a). 

 Discoglossus, Bombinator, Alytes, Pelobates. 



