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A New Recent Marine Sponge (Esperella bellensis) from the Pacific Coast of Canada
Vol 19, Iss 1, Page 14, Date 1905-04
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Notes on Fresh-water Rhizopods
Vol 19, Iss 1, Page 16, Date 1905-04
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Nature Study no. 22 - The School Time Required for Nature Study
Vol 19, Iss 1, Page 21, Date 1905-04
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Onthe Food Value of Certain Mushrooms (No. 2)
Vol 19, Iss 2, Page 43, Date 1905-05
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Popular Entomology
Vol 19, Iss 2, Page 48, Date 1905-05
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The Glaciation of Mount Orford, P.Q.
Vol 19, Iss 2, Page 52, Date 1905-05
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Nesting of the Night. Hawk in Ottawa
Vol 19, Iss 2, Page 56, Date 1905-05
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Nature Study no. 23 -The Clouded Sulphur Butterfly
Vol 19, Iss 2, Page 59, Date 1905-05
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Notes on some fresh-water shells from the Yukon Territory
Vol 19, Iss 3, Page 63, Date 1905-06
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List of a few species of land and fresh water shells from the immediate vicinity of James Bay, Hudson Bay
Vol 19, Iss 3, Page 66, Date 1905-06
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Nature’s Method of re-seeding to White and Red Pine
Vol 19, Iss 3, Page 67, Date 1905-06
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The Banded Pocket-mouse (Perognathus faciatus)
Vol 19, Iss 3, Page 69, Date 1905-06
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Report of the Zoological Branch, 1904
Vol 19, Iss 3, Page 70, Date 1905-06
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Correspondence
Vol 19, Iss 3, Page 73, Date 1905-06
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Nature Study no. 24 - Apparatus Required for Nature Study
Vol 19, Iss 3, Page 75, Date 1905-06
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A Naturalist in the Frozen North
Vol 19, Iss 4, Page 79, Date 1905-07
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Bird Notes - Notes from Central Ontario
Vol 19, Iss 4, Page 87, Date 1905-07
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Ring-billed Gulls (Larus delawarensis) on Lake Ontario
Vol 19, Iss 4, Page 88, Date 1905-07
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Nature Study no. 25 - A Short Introduction to Some of Our Common Birds
Vol 19, Iss 4, Page 95, Date 1905-07
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The Eggs of the Scarlet Water-Mite (Hydrachna sulcata)
Vol 19, Iss 5, Page 99, Date 1905-08
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A Naturalist in the Frozen North
Vol 19, Iss 5, Page 104, Date 1905-08
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The Fruit of Epigaea repens
Vol 19, Iss 5, Page 110, Date 1905-08
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Rare Ottawa Plants
Vol 19, Iss 5, Page 110, Date 1905-08
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Nature Study no. 26- Field Work at the Ottawa Normal School
Vol 19, Iss 5, Page 111, Date 1905-08
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A Naturalist in the Frozen North
Vol 19, Iss 6, Page 115, Date 1905-09
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Sthenopis ( Hepialus ) thule, Strecker, at Ottawa
Vol 19, Iss 6, Page 117, Date 1905-09
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Bird Migration, 1904
Vol 19, Iss 6, Page 119, Date 1905-09
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Ontario Ornithological Notes: Winter 1904-05
Vol 19, Iss 6, Page 121, Date 1905-09
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A few Notes on the Fauna and Climate of the Liévre River
Vol 19, Iss 6, Page 123, Date 1905-09
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Why our Field and Roadside Weeds! are Introduced Secies
Vol 19, Iss 6, Page 124, Date 1905-09
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Nature Study no. 27 - Ottawa Summer School for Teachers
Vol 19, Iss 6, Page 127, Date 1905-09
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The Hair-eel ( Gordius aquaticus, L.)
Vol 19, Iss 7, Page 131, Date 1905-10
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The Red-breasted Nuthatch (Sitta canadensis)
Vol 19, Iss 7, Page 139, Date 1905-10
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Nature Study no. 28 - A Short Introduction to Some of our Common Birds
Vol 19, Iss 7, Page 143, Date 1905-10
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The Nature Study Course, by John Dearness [Review]
Vol 19, Iss 7, Page 146, Date 1905-10
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On the Formation of Local Collections
Vol 19, Iss 8, Page 147, Date 1905-11
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A New Antennaria from Eastern Quebec
Vol 19, Iss 8, Page 156, Date 1905-11
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Nature Study no. 29 - Woolly-Bear Caterpillars
Vol 19, Iss 8, Page 159, Date 1905-11
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On So-Called Silene Menziesii
Vol 19, Iss 9, Page 163, Date 1905-12
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An Alpine variety of Cnicus muticus
Vol 19, Iss 9, Page 166, Date 1905-12
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A New Goldenrod from the Gaspé Peninsula
Vol 19, Iss 9, Page 167, Date 1905-12
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Some New Localities for Canadian Land and Fresh-Water Shells
Vol 19, Iss 9, Page 169, Date 1905-12
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Extracts from the Diary of the late Robt. Elliott
Vol 19, Iss 9, Page 173, Date 1905-12
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Two rare Fungi
Vol 19, Iss 9, Page 178, Date 1905-12
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Nature Study no. 30 - Nature Observations at Home
Vol 19, Iss 9, Page 179, Date 1905-12
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Descriptions of New Species of Testudo and Baena with remarks on some Cretaceous forms
Vol 19, Iss 10, Page 187, Date 1906-01
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A New Northern Antennaria
Vol 19, Iss 10, Page 197, Date 1906-01
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The Swan Song of the Leaves
Vol 19, Iss 10, Page 197, Date 1906-01
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Notes on Some British Columbia Mammals
Vol 19, Iss 10, Page 200, Date 1906-01
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The Fly Agaric (Amanita muscaria) and how it affects cattle
Vol 19, Iss 11, Page 203, Date 1906-02
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Birds New to Ontario
Vol 19, Iss 11, Page 205, Date 1906-02
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Some New Canadian Records for Gyrfalcons
Vol 19, Iss 11, Page 208, Date 1906-02
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Report of the Geological Branch for 1905-1906
Vol 19, Iss 11, Page 209, Date 1906-02
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Traité élémentaire de Zoologie et d'Hygienè, by Abbé V. A. Huard [Review]
Vol 19, Iss 11, Page 214, Date 1906-02
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Nature Study no. 31 - Mother Nature and Her Boys
Vol 19, Iss 11, Page 215, Date 1906-02
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The Eggs of the Fresh-water Ling
Vol 19, Iss 12, Page 219, Date 1906-03
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Eupithecia youngata
Vol 19, Iss 12, Page 225, Date 1906-03
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The Cultivation of our Native Orchids
Vol 19, Iss 12, Page 228, Date 1906-03
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Boremys, a new Ghelonian Genus front the Cretaceous of Alberta
Vol 19, Iss 12, Page 232, Date 1906-03
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Nature Study No. 32 - The School Garden and the Country School
Vol 19, Iss 12, Page 235, Date 1906-03