Guide to the study of insects, and a treatise on those injurious and beneficial to crops: for the use of colleges, farm-schools, and agriculturists . ret known. Smithsupposes that Labichis (agenus allied to Dorylus) isthe male form, and Sumi-chrast thinks this conjec-ture is sustained by the Fig. that it is in the season when the sorties of the Ecitonare the more frequent that the Labidus also show themselves. Fig. FORMIC ARL<E. 187

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Keywords: ., bookcentury1800, bookdecade1870, bookpublishe, booksubjectinsects