M 



STUDIES IN ANIMAL LIFE. 



serve he has no legs ; or, 

 rather, legs and arms are 



Fig. 8 CloLOPS. 



0} large antennse ; &, smaller do. ; 

 c, egg-sacs (magnified). 



Fig. 9.— Daphhia. 



a, pulsatile sac, or heart; 6, eggs; 

 c, digestive tube (magnified). 



hoisted up to the head, and become antennee (or 

 feelers). Here (Fig. 9) is a Daphnia, grotesque 

 enough, throwing up his arms in astonished awk- 

 wardness, and keeping 

 his legs actively at work 

 inside the shell — as res- 

 pirators, in fact. Here 

 (Fig. 10) is a Ewycer- 

 cus, less gr()tesque, and 

 with a much smaller eye. 

 Talking of eyes, there is 

 one of these Entomos- 

 traca, named Polyphemiis, whose head is all eye; 

 and another, named Caligus, who has no head at all. 

 Other paradoxes and wonders are presented by this 

 iateresting group of animals;* but they all sink 



* The student will find ample information in Baibd's British 

 Entomostraca, published by the Bay Society. 



Fig. 10. — Edbtcebcub. 



a, heart ; &, eggs ; c, digestive tube 



(magnified). 



