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[Vol. XX. No, 495 



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INSECTS AND INSECTICIDES. 



A PRACTICAL MANUAL, 



Concerning Noxious Insects and the Methods 



of Preventing their Injuries. 



By CLARENCE M. WEED, 



Professor of Entomology and Zoology, New 

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NEO-MRWIMSM AND NEO-LAMARCKISM. 



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Annual address of the President of the Biological 

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THE BOTANICAL GAZETTE. 



A monthly illustrated journal of botany in 



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The American Geologist for 1892. 



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