PATAGONIAN EXPEDITIONS: ZOOLOGY. 



EXPLANATION OF PLATE XLVIII. 



Fig. 



Fig. 2. 

 Fig- 3- 



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Lepidurus hatcher: sp. nov. .... 



I, a. Dorsal view of entire animal, nat. size 



I, b. Dorsal view of last abdominal segment and caudal flap 

 Branchinecta granulosa Daday 



Front view of head of male with claspers, about 

 Hyalella patagonica sp. nov. 



3, a. Maxilliped of male, about ^ 



3, b. First gnathopod of male, about ^ 



3, c. First gnathopod of female, about ^ 



3, d. Second gnathopod of male, about ^ . 



3, e. Second gnathopod of female, about ^ 



3, f. First perseopod of male, about f 



3, ^. Fifth peraeopod of male, about f . 



3, h. Upper view of telson, and second and third uropods, about 



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640 

 640 

 641 

 644 

 644 

 650 



651 



651 

 652 



652 



652 



652 



652 



652 



(vol. Ill) 



