THE DEVELOPMENT OF MYSIS. 

 Fig. l^.-Contirmed. 

 J 



305 



Pig. 79.— Thft development of il/?/.?i5.— -4, Bide -^iew of an egg. in which the blasto- 

 derm has just appeared. J5, side vieu- further advanced. C, front view of embryo 

 at the same age, showins; the procephalic lobe^, here marked b. T), larva, ventral 

 view. E, side view. (These two flgurcs have been inverted by the en^rraver.) 

 i^, young pupa. 6^, further advanced. i7, youns: .l/yy?.*, which has left its pupa 

 skin. 7, anterior portion of the same, enlarged, and with the carapace tlirown 

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

 d. procephalic lobes; t\ larval integument; g, its caudal enlargement; h, cara- 

 pace. 1. 2, 3, 4, etc., tiie somites and their appendages, numbered from before 

 backward. 



