Plate XYI. 



Larval sfai/cs of Ichllujura iiwlusa and albosifina. 



Fig. 1. Iclithi/ura inclusa, Stage I; In, side view. 



Fig. 2. Ichlkijura inclusa, Stage II; 2a, side view of tliird abdominal segment. 



Fig. 3. Ichthijura athosif/ma, Stage III?; 3a, third abdominal segment, dorsal view; 3b, the same, side view. 



Fig. 4. /. alhusiyma. Stage IV. 



Jig. .5. /. albodijma, Stage V (and last) ; 5a, side view. 



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