. Insects . Plate I. White spruce forest on the Coppermine river, Xorthwest Territories, rapids, sliowing also scrub willows; February 15, 1915, F. Johansen, Photo. 24 E Canadian Arctic Expedition, 1913-18 EXPLANATION OF PLATE IL Plate 1. Bark-beetles. Fig. 1. Carphoborus andersoni Sw. Fig. 2. Polygraphus rufipennis Ky. Fig. 3. Pityophthorus nitidus Sw. Fig. 4. Pityophthorus nitidus Sw., declivity of elytra. Fig. 5. Pityophthorus nitidus Sw. Fig. 6. Dendroclonus johanseni Sw. The drawings are by Mr. A. E. Kellett, Artist Assistant, Entomological Branch, Departmentof (!ultur
. Insects . Plate I. White spruce forest on the Coppermine river, Xorthwest Territories, rapids, sliowing also scrub willows; February 15, 1915, F. Johansen, Photo. 24 E Canadian Arctic Expedition, 1913-18 EXPLANATION OF PLATE IL Plate 1. Bark-beetles. Fig. 1. Carphoborus andersoni Sw. Fig. 2. Polygraphus rufipennis Ky. Fig. 3. Pityophthorus nitidus Sw. Fig. 4. Pityophthorus nitidus Sw., declivity of elytra. Fig. 5. Pityophthorus nitidus Sw. Fig. 6. Dendroclonus johanseni Sw. The drawings are by Mr. A. E. Kellett, Artist Assistant, Entomological Branch, Departmentof (!ulture, Ottawa. Coleoptera 25 E Plate
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Keywords: ., bookcentury1900, bookdecade1910, bookidinsects00can, bookyear1919
