AMPHIBIANS. 



29 



nei* as in AiiiJ)jjsto}na tigrUiuni. After fertilization the eggs are 

 laid in oval masses, the whole mass being embedded in gelatine. 

 They are attached to some sn])])ort in the water, either grass stems 

 or small sticks, ^^'hen hatched the AT^nng- larvae are about half an 



'^ 



.;^ DOMINION OF CANADA 



Fig. 5. Distribution of Ambysloma putictatum. 

 Horizontal ruling, specimens examined; vertical ruling, reports only. 



inch in length and metamorphosis does not occur until a length of 

 about two inches has been reached. 



Distrihiition: Nova Scotia to Nebraska, south to Georgia. (Jor- 

 dan, 1890.) 



Michigan : Specimens in the University Museum from Manistee 

 and Washtenaw Counties. Reported from Eaton County (Clark, 



