L. GABR. ANDERSSON, BATRACHIANS FROM CAMEROON. 29 



Xenopus. 



Of this genus there are 21 individuals, of which 20 be- 

 long to the species mulhri Ptrs and one to the species calca- 

 ratus Ptrs, the lätt er distinguished by its very small eyes 

 and the short tentacle below the eye. Besides, the species 

 calcaratus seems to have shorter extremities than millleri as 

 shown by the table below. 



Length of body in mm 



» of femur in % of that of body .... 



» of calf with tarsus and foot in % of that 

 of body 



» of före linibs in % of that of body . . 



X. calca- 

 ratus 



24 

 9.1 



22.5 

 11 



X. millleri 



24 

 10.1 



25 

 12 



Tryckt den 20 juni 1905. 



Uppsala 1905. Almqvist & Wiksells Boktryckeri- A. -B. 



