. Annual report of the North Carolina Agricultural Experiment Station . Figure 25. Insectary in which a ; le life history work on the Southern Corn Bill Bug(After Smith.) We have also reared larva? in jelly glasses and in tin boxes, but ofthese two methods the tin boxes gave uniformly the better results andwere much easier to handle. For this purpose we have used latelythe Meyers patent box, four-ounce size, which is provided with a per-manent label on the lid (Fig. 27). This label was very convenient formaking any records regarding the larva? contained in the box, such astime and date of last
. Annual report of the North Carolina Agricultural Experiment Station . Figure 25. Insectary in which a ; le life history work on the Southern Corn Bill Bug(After Smith.) We have also reared larva? in jelly glasses and in tin boxes, but ofthese two methods the tin boxes gave uniformly the better results andwere much easier to handle. For this purpose we have used latelythe Meyers patent box, four-ounce size, which is provided with a per-manent label on the lid (Fig. 27). This label was very convenient formaking any records regarding the larva? contained in the box, such astime and date of last observation, when last provided with food, dateand time of molting, etc. Such records as were worthy of beingpermanently filed were put on sheets and filed in a vertical file. Inthis way there was no danger of confusing the record of one larva withanother, and the complete record was always before the observer whileexamining any individual. 50 The Bulletin ^JJ-. -^1 z - 26. Hibernation cages used in the fields to determine the length of thehibernation period.
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Keywords: ., bookauth, bookcentury1900, bookdecade1910, booksubjectagriculture
