. The Canadian field-naturalist. Figure 1.—Peronopsis harrandei Clark. Sketch of the type with profile view (restored). X4. Figure 2.—P. marcoui Clark. Sketch of the type with profile view. X4. Figure 3.—Agnostus americanus Billings. After Billings X3. Figure 4.—A. orion Billings. After Billings. X 4. Figure 5,—A. canadensis Billings. After Billings. X 3. Figure 6.—A. americanus Billings. Sketch of specimen collected by the writer, with profile view, X Figure!?.—A. innocens~)i. Sketch and profile view of the type. 7a, sketch and profile of cephalon associated with the type. Both X 4.

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. The Canadian field-naturalist. Figure 1.—Peronopsis harrandei Clark. Sketch of the type with profile view (restored). X4. Figure 2.—P. marcoui Clark. Sketch of the type with profile view. X4. Figure 3.—Agnostus americanus Billings. After Billings X3. Figure 4.—A. orion Billings. After Billings. X 4. Figure 5,—A. canadensis Billings. After Billings. X 3. Figure 6.—A. americanus Billings. Sketch of specimen collected by the writer, with profile view, X Figure!?.—A. innocens~)i. Sketch and profile view of the type. 7a, sketch and profile of cephalon associated with the type. Both X 4. Figure 8.—A. janei Clark. Sketch and profile (restored) of the type. X 4. Figure 9.—Plethagnostus gyps Clark. Sketch and profile view of the type. X 4. Figure 10.—Agnostus gladiator Clark. Sketch and profile view (restored) of the type. X Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa, Ottawa Field-Naturalists' Club

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Keywords: ., bookauthorottawafi, bookcentury1900, bookdecade1920, bookyear1923