. Injurious insects of the orchard, vineyard, field, garden, conservatory, household, storehouse, domestic animals, etc., with remedies for their extermination . e orchards, etc., as it is to understand how to plant,prune, etc. Some fruit-growers think that for such practical investiga-tion of insect life, a scientific knowledge of the anatomy andph5siology of these creatures is indispensable. Such, hoAV-ever, is not the case. It requires some apparatus (which canbe procured at a nominal expense), a little patience, and aninterest in the subject investigated, to learn practically whatthey have
. Injurious insects of the orchard, vineyard, field, garden, conservatory, household, storehouse, domestic animals, etc., with remedies for their extermination . e orchards, etc., as it is to understand how to plant,prune, etc. Some fruit-growers think that for such practical investiga-tion of insect life, a scientific knowledge of the anatomy andph5siology of these creatures is indispensable. Such, hoAV-ever, is not the case. It requires some apparatus (which canbe procured at a nominal expense), a little patience, and aninterest in the subject investigated, to learn practically whatthey have depended on others to furnish. The following apparatus is necersary : (I am under obliga-tions to Mr. C. MuUer, optician, No. 135 Montgomery Street, Fig. 10. San Francisco, for illustrations of this chapter.) Fig. 9 represents a one-inch focus watchmakers glass; price, from 75 cents to ^ each. Fig. 10 repre- ?c,. n sents a small Fig. 9. microscope;price, from $10to $20. Suchi n s t r u m e ntsliave sufficientpower for anypractical inves-tigation requir-ed on the farm or its surround- ^= ^^ intrs. One dozen glass slides, about $; one dozen glass.
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Keywords: ., bookcentury1800, bookdecade1880, bookidinjuriousins, bookyear1883
