282 THE COMPARATIVE MORPHOLOGY OF THE CRAYFISH. 



develoiied ; and, in this case, the Nauplius state is 

 passed through so rapidly and in so early and imperfect a 

 condition of the embryo, that it would not be recognized 



Fig. 7-i. Cancer jfa^uj-us. A, newly hatched Zoasa ; B, more advanced 

 Zoa^a ; C, dorsal, and D, side view of ^Megalopa (after Sijcnce Bate). 

 The figures A and B are more magnified than C and D.) 



except for the cuticle which is developed and is subse- 

 quently shed. 



