/^ t 



Fig. 3. — j4stoCT(5/?a-(ff?i7is.— Ventral or sternal views (nat. size). A, male ; l3, female : — 

 (), vent ; gg, opening of the green gland ; \h, labrum ; mt, metastoma or lower 

 lip ; 0(1, opening of the ovidiiet : vd, tliat of the vas deferens. 1, eye-stalk ; 2, 

 antennule ; 5, antenna ; U, mandible ; S, second maxillipede ; .9, third or external 

 maxillipede ; 10, forceps ; 11, first leg ; Ik, fourth leg ; 15, 16, 19, 30, first, second, 

 fifth, and sixth abdominal appendages; x., xt. , xiv., sterna of the fourth, fifth, 

 and eighth thoracic somite ; xvi., sternum of the second abdominal somite. In the 

 male, the 9tli to the 14th and the Itith to the 10th appendages are removed on 

 the animal's left side : in the female, the antenna (with the exception of its basal 

 joint) and the 5_th to the 14th appendages on the animal's right are removed ; the 

 eggs also are shown attached to the swinimerets of the left side of the body. 



