Ontario Sessional Papers, 1897, . ow process of influencing public opinion and combatting ingrained andinherited prejudice, it is in the work of the educator that the hope of progresslies. If the teachers were impressed with the duty of cultivating to a gTcaterextent the minds of the children by the development of their perceptive faculties,and sense of observation by means of the natural olject lessons furnished by thewoods and fields the saving of our national heritage would speedily be accom-plished. 32 60 Victoria. •Sessional Papers (JSo. 3G). A. 189V ENTOMOLOGY. W. Buddie. Galls
Ontario Sessional Papers, 1897, . ow process of influencing public opinion and combatting ingrained andinherited prejudice, it is in the work of the educator that the hope of progresslies. If the teachers were impressed with the duty of cultivating to a gTcaterextent the minds of the children by the development of their perceptive faculties,and sense of observation by means of the natural olject lessons furnished by thewoods and fields the saving of our national heritage would speedily be accom-plished. 32 60 Victoria. •Sessional Papers (JSo. 3G). A. 189V ENTOMOLOGY. W. Buddie. Galls on Black Oak. Quercus coccisea ambigua. Ara/ihibolij^s conjiaens, Harr. These galls are at the base of leaf petioles of the Black Oak. Many of themare partially attached to the twig and so remain on the trees after the leaves havefallen and often during the winter. The Black Oak growing in northern Ontarioditfei-s considerably from the southern form common near Toronto, and does notappear to be liable to the attacks of this gall AMPHlBOUrS COSFLCENS. Some of these galls are spherical but they are mostly from ovate to egg^shaped ; they are quite large, an average to twenty-one full grown gaUs gave longdiameter 34 M. M., transverse 30 ^1. M. When young they are greenish, nearlythe color of the leaves, but when mature they are greyish white. The externalshell is thin but smooth, hard and durable, within which there is a dense spongylayer of considerable thickness, within which there is a very hard nut-like kernalat the centre of which is a cell containing the producer or parasites. About the middle of July the galls are mature, they have lost the green colorand have assumed tlie adult tint; towards the end of July and during August manyspecies of inquilines emerge belonging to three families, Hymenoptera. Lepidop-tera and Coleoptera. All these seem to feed on the spong}^ substance of the gall,a mild sort of parasitism. Towards the end of September and during October 3 F
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