Plate XXXYI. 
Fig. 1, Irt. Cerura horealis, Stage I. 
Fig. 2, 2a. Cerura horealis, Stage II j 2b, natural size and attitude. 
Fig. 3, 3a. Cerura boreaUs. 
Fig. 4, 4a. Ctrura cinerea; 4b, face. 
Fig. 5, 5a. Cerura mulliHcripta; 6b, face. Bridghaui del. 
Fig. 6. Ccrwra borealis, larva oii poplar, Georgia. Leconte del. 
Fig 7. Cerura borealis, larva on willow, Maine. AVilder del. 
Fig. 8 . Cerura occidentalis. Liutner del. (Dr. Dyar thinks this is cinerea.)* 
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