220 



HANDBOOK OF INVERTEBRATE ZOOLOGY. 



of a basal portion and two hairy paddles ; but the endopo- 

 dites of opposite sides join each other on the middle line. 



e. Observe that the abdomen 

 and abdominal appendages of the 

 megalops larva are much more like 

 those of the adult female than those 

 of the adult male. 



Fig. 113. 



Fig. 113. — First maxilla of the same larva. (FromClaus.) 

 1. Coxopodite. 2. Basipodite. en. Endopodite. ex. Exopodite. 

 /. Flabellum. 



Fig. 113. — Second maxilliped of the same larva. (From Clans.) 



a. Coxopodite. h. Basipodite. c. Ischiopodite. d. Meropodite. 



e. Carpopodite. /. Propodite. cj. Dactylopodite. en. Endopodite. 



ex. Exopodite. gi. Gill. 



/. Make drawings of the appendages of the megalops 

 larva. 



g. Carefully compare the various parts of the megalops 

 larva with those of the adult crab, and with those of a 

 lobster or cra^'fish, and notice that the larva resembles the 

 lobster in the following points of diHereuce from the 

 adult : — 



1. There is a rostrum. 



