HISTORY OF ZOOLOGY, 

 au 



45 



i . 



- & Cyclops coron.it us (A) and also the nauplius in lateral (.5) and in ventral view (C). 

 1-v , the five thoracic, and behind these the five abdominal segments ; F, furca ; i, the 

 nrst, 2, the second, antennae; 3, mandibles ; 4. maxilla;; 5, pedes maxillares (maxillipeds); 

 6-9, the first four pairs of biramous feet, while the rudimentary fifth pair are hidden ; 

 a, eye ; a, upper lip ; e, egg-sacs ; </, gut ; m, muscle. 



