Report U. S. F. C. 1878.— Harger. Marine Isopods. 



Plate IX. 



Eitf. 52. 



Fig. 53. 



Fi-. 57. 



lfo.030. 



FiiT. 56. 



FiS. 58. 



Fig. .54. 



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Fig. 55 



No. 531 



