Int.] 



ON NORMAL GROWTH 



285 



made during two seasons upon Amblystoma, toads, and frogs. 

 All series showed the same thing ; the most complete series is 

 that given in the following table : — 



TABLE XXII 

 Embktos of Frogs. 1895* 



These results are graphically represented in Fig. 78. The 

 curve and table show that, exactly as in plants, there is a 



D±yt. 10 ZO 30 to SO eo JO BO So 



Fig. 78. — Graphic represeutation of last column of Table, showing percentage of 

 water in frog embryos from 1 to 84 days after hatching. Compare with Fig. 77. 



period of slow growth accompanied by abundant cell division 

 — the earliest stages of the egg. Then follows, after the first 



* Compare with the less complete table of Baudkimont and Maktin Saint- 

 Ange, '51, p. 532. 



