Botany and Zoology. 421 
; rounded prominence 
_ the upper surface at the very base of the tibia and anothe 
4 beyond the middle ; opposite the latter, on the upper su 
on 
r just 
Amblystoma ; by B. 
has given on pp. 364-374 an interesting 
mation of Siredon into Amblystoma, 
g 
dth of 
breadth of the same, ‘045 inches, 
of Am 
