58 STATE POMOLOGICAL SOCIETY. '^ 



enter. The}^ insisted on climbing the sides of the barrel to the 

 highest point. If the cover was left off they would reach the ends 

 of the staves and then travel round and round the rim in vain en- 

 deavor to find something leading still higher. This may be taken 

 as indicating the correctness of the theor}' that the worms that fall 

 to the ground immediately seek to climb the trunks of the trees. 

 Many cocoons were found between the papers composing the covers, 

 but a larger number in the corner between the staves and cover and 

 and in the groove which receives the bai'rel-head, and not a few 

 worms had excavated for themselves neat cells entirel}' within the 

 substance of the pine staves, lining them with the soft material ob- 

 tained from the excavation and with the silk that they spin for the 

 purpose. 



In the pasteboard boxes I placed man}- loose bits of paper and 

 fine paper cells carefully formed on the end of a penstock, hoping 

 that the cocoon might be formed within them and thus be readily 

 removed, but though a good many accepted this invitation, the ma- 

 jority evidentl}^ thought these loose bits too unstable and preferred 

 to make the box itself the basis of their hiding places, either under 

 a bit of paper or in the corners or on the bare sides, where they 

 partially burrowed in the pasteboard. In like manner, also, in the 

 case of paper bands around the trunks of trees, no instance was 

 observed of a cocoon being formed between the thicknesses of 

 paper, but in all cases they were beneath all the folds, next to tlie 

 bark, and had often burrowed slightlj^ into the bark. 



In transferring the worms from one box to another and examin- 

 ing them they were very generally torn from the cocoons and obliged 

 to form new ones, which thej' readily did. Some of these were torn 

 out a second time and not one of these failed to make the third 

 cocoon, and this extra labor did not appear to exhaust them in the 

 least, such specimens completing their transformations equally well 

 with the others. 



How many broods in a seaso7i ? I expected to find the worms that 

 went into cocoon early in August rapidly developing ; but, though 

 quite a number were opened during the succeeding weeks, not one 

 was found to have changed perceptibly. It seemed for a while an 

 inevitable conclusion that none of the worms would transform the 

 same season and that therefore we had but one brood in a season. 

 In September a ver}' few moths were discovered to have come out 

 from the August cocoons, but whether they were early enough to 



