Plate XXIT. 



Larval slugm of Syiiimerhta ulbifrons. 



Fig. 1. Symmeriifta albifroii.t, Stage I; 1«, side view. 



Fig. 2. SymmcnKta albifrons, Stage II; 2a, side view. 



Fig. 3. Sijmmeiista albifrons. Stage III; 3(1, side view. 



Fig. 4. Symmerista albifrona, Stage V (and last) ; 4o, side view. 



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