100 



STAGING OF AMPHIBIAN EMBRYOS 



STAGES OF TRITURUS PYRRHOGASTER* 



(at 180C.) 



* From Prlscilla L. Anderson 19i^5 : Anat. Rec. 86:58. The Author presents this series with- 

 out argument for or against the deviation from the Harrison staging used with the Ambly- 

 stoma aeries. 



(D@)(o)0 



(From P. L. Anderson I9U5 : Anat. Rec. 86:58) 



