The Shipley Collection of Scientific Papers, Том 1641833 |
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Страница 14
... Arsenic 40 pounds . 2 gallons . 5 pounds . The bran should be wet so that water can be just squeezed out of a lump held in the hand . After this , stir in the molasses and then the arsenic . Let stand over night and stir well before ...
... Arsenic 40 pounds . 2 gallons . 5 pounds . The bran should be wet so that water can be just squeezed out of a lump held in the hand . After this , stir in the molasses and then the arsenic . Let stand over night and stir well before ...
Страница 299
... Arsenic Molasses 40 pounds 5 pounds 2 gallons In preparing these mix the arsenic or Paris green and bran dry , and add the molasses , which has been diluted in water . Add enough more water to moisten the bran so that it will appear ...
... Arsenic Molasses 40 pounds 5 pounds 2 gallons In preparing these mix the arsenic or Paris green and bran dry , and add the molasses , which has been diluted in water . Add enough more water to moisten the bran so that it will appear ...
Страница 346
... arsenic equivalent to less than twelve and one half per centum of arsenic oxide ( As2O5 ) ; third , if it enotains arsenic in water- soluble forms equivalent to more than seventy - five one - hundredths per centum of arsenic oxide ...
... arsenic equivalent to less than twelve and one half per centum of arsenic oxide ( As2O5 ) ; third , if it enotains arsenic in water- soluble forms equivalent to more than seventy - five one - hundredths per centum of arsenic oxide ...
Чести термини и фразе
abdomen abdominal segment adult antennæ ants aphid Aphis Appearance apple arsenic attacked body breeding brood buds California caterpillars cells cent citrus cocoons colonies color Commissioner cornicles cyanide damage deposited destructive Distribution dorsal early eggs Entomologist erichsonii Essig Family feed femora flies foliage Food Plants fruit fumigation gallons genus green hatch head hibernate History horticultural host inch long infested instabilis ladybird beetle larch Larch Sawfly large numbers larva larvæ lateral leaves legs Linn louse maggots male mealy bug mermithergates mites mosquitoes moth muscles Natural Enemies nest numbers observations Orasema orchards ovipositor P. C. Jr parasites Paris green pest Pheidole plant lice Plate Polyederkrankheit pound pseudogynes pupa pupæ pupal pupate quarantine Raupen sawfly scale insects southern species specimens spiracles spray spring stage summer surface thorax thrips Throughout the entire trees usually ventral winged female winter workers yellow young