ENTOMOLOGICAL CONTRIBUTIONS. 



First molt. On the 21st of July their first molting occurred. On 

 the 26th, when about to undergo their next change, they had attained 

 the length of seven-tenths of an inch, and presented the following 

 features : Head light green, with a yellow lateral stripe. Body light 

 green, marked conspicuously with a subdorsal yellow stripe, of the 

 breadth of two of the annulets, which commences on the first segment 

 and terminates in the last lateral band. The lateral bauds are seven 

 in number, of a yellow color, but are less conspicuous, except the 

 posterior one, than the subdorsal stripe ; each band commences at 

 the anterior margin of a segment in range with the stigmata ; it enters 

 the subdorsal stripe at the fifth annulet, and emerges therefrom at 

 the incisure, whence, after rising slightly above the stripe, it is recurved 

 and touches it again, nearly reaching the following incisure. The caudal 

 horn is straight, 9-100ths of an inch long, and of a red color. The 

 stigmata are not visible with an ordinary magnifying glass, but their 

 position is indicated by a short horizontal yellowish line, sub-centrally 

 on the segment. The legs and prolegs are green. 



Second molt. This change occurred during the night of July 26th 

 and 27th. When in readiness for the next molting on the 31st, their 

 length was 85-100ths of an inch. The head shows granulations and 

 has broad lateral stripes of yellow which nearly meet at the apex. 

 The subdorsal stripe is obsolescent, being more distinct on the tho- 

 racic segments ; lateral bands quite distinct, of a bright yellow ; the 

 three anterior and the seventh with a shade of red margining them 

 ill front. Caudal horn straight, with short spines which are brown 

 on the front of the horn and behind. The legs are light red, and the 

 prolegs green. 



Third molt August lst-2d. On the 6th of August, a cessation 

 from feeding, a fixed position, and a partial withdrawal of the head 

 from its case, indicated the near approach of another molting. 

 Length of the larva at this time, one inch and three- tenths, with a 

 diameter of eighteen-hundredths of an inch. The head is light green, 

 tuberculated superiorly, with the lateral -stripes broad and of a 

 whitish shade. The body is pale green ; the subdorsal stripe obso- 

 lete ; the lateral bands are whitish-green, bordered anteriorly with 

 darker green, except the first and seventh, which are yellow anterior to 

 the stigma ; the bands commencing at the incisure, cross the second 

 annulet in range with the lower part of the stigma, are contracted 

 over the stigma, extend thence in a straight line to the next incisure, 

 and are continued somewhat deflected over from one to three annu- 



