90 



STAGING OF AMPHIBIAN EMBRYOS 



f. Triturus Torosus 



TRiTURUS TOROSUS* 



THE CALIFORNIA SALAMANDER 



V 







'•li: 



8 ""9 10 ^^ 11 12 13 



7 t t 1! 



16 16 



/ 



17 



18 19 



20 21 



) 1 



88 24 



26 



•1 



33 



». -^ 



27 28 

 1 



34 



86 



22 



) 



2D 



30 



5 



■ f 



86 



87 



88 



89 



40 



♦ Now known as Taricha Torosa. 



(Courtesy Twitty G Bodenstein) 



