THE DEVELOPMENT OF MYSIS. 

 Fig. ""i^.- Continued. 



305 



Fig. 79.— Tho development of J/?/,?!.?.—^, pide view of an egs-. in Miiich the blasto- 

 derm lias just appeared. B, side view further advanced. C. front view of embryo 

 at the same age, showing the procephalic lobes, hire marked b. D, larva, ventral 

 view. E, side view. (These two flgurps have been inverted by the euizraver.) 

 7^, you ng pupa. ^, further advanced. i7, youriu J/ysis', which has left its pupa 

 skin. /, anterior portion of the same, enlarged, ami with the carapace thrown 

 back, a, vitelline membrane ; 6, yelk ; c, central depression of the blastoderm; 

 d. procephalic iobes ; f. larval Integument; g, its caudal enlargement; A, cara- 

 pace. 1.2, 3, 4, etc., tiie somites and their appendages, numbered from before 

 backward. 



