128 bulletin: museum of comparative zoology. 



Fig. 1 e. Male seen from above, X ^^-• 



Fig. 1/ Same male seen from below, X "• 



Fig. Ig- Head of the same male seen from below, X 36. 



2. Munidion princeps, n. gen., n. sp. 



Fig. 2. Anterior part of the head of the large female seen from below, scarcely 



X 10 ; c, labrum ; d, mandible ; /, maxilla. 



Fig. 2 a. Left maxilliped of the large female, seen from below, scarcely X 7. 



Fig. 26. Normal male, X ^■ 



Fig. 2 c. Misshaped male, X ^-■ 



Fig. 2 d. Head of the normal male, seen from below, X 39. 



Fig. 2 e. Left leg of first pair of the normal male, X 44. 



PLATE V. 



1. Munidion princeps, n. gen., n. sp. (continued). 



Fig. 1. The large female seen from above, about X ^/ ; a^, pleural plates of the 



fifth abdominal segment. 

 Fig. 1 a. Same female seen from below, about X ^- ; 1, rami of first pleopod on 



the right side (of the animal, left side of the figure) ; Y, rami of first 



pleopod on the left side ; 4, rami of fourth pleopod on the right side ; 



5, rami of fifth pleopod on the right side ; 5', rami of fifth pleopod on 



the left side ; 6, rami of the right uropod ; 6', rami of the left uropod. 

 Fig. 1 h. Left leg of first pair with its marsupial plate of the same female, seen 



from below, scarcely X 7. 

 Fig. 1 c. Posterior part of the marsupial plate exhibited in the preceding figure, 



and seen from above, X ^-i ■ 

 Fig. 1 d. Left leg of sixth pair of the same female, scarcely X 7. 



2. Pseudione galacanihcB, n. sp. 



Fig. 2. Large female, seen from above, X | ; 6, uropods. 



Fig. 2 a. Same female seen from below, X | ; V, rami of first pleopod on the left 

 side (of the animal); 4', rami of fourth pleopod on the left side ; 5, rami 

 of fifth pleopod on the right side ; 5', rami of fifth pleopod on the left 

 side ; a^, pleural plates of fifth abdominal segment. 

 Fig. 2 b. Anterior part of the head of female, seen from below, X 10 ; a, antennula ; 

 b, antenna ; c, labrum ; d, mandible ; e, maxillula ;/, maxilla; p, frontal 

 plate. 



Left maxilliped of female, seen from below, X 10. 



Left leg of first pair with its marsupial plate, seen from below, X 10. 



Left leg of sixth pair of female, X 10. 



Largest male, X 10. 



Head and a part of the first thoracic segment of a smaller male seen from 

 below, X 39 ; /, maxilla ; g, maxilliped. 



Left leg of first pair of the last named male, X 47. 



Left leg of seventh pair of the same male, X 47. 



