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Page 7178, results 179426 - 179450

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Relationship between plantings of fry and production of whitefish in Lake Erie
John Van Oosten
1942, Transactions of the American Fisheries Society (71) 118-121
An attempt was made to substantiate the repeated assertions of the commercial fishermen on the Great Lakes and of others that there was a direct causal relationship between the plantings of whitefish fry and subsequent catch. The records of whitefish fry plantings in Lake Erie during the years, 1920–1937, were...
Determination of ash in coals unusually high in calcite and pyrite
O.W. Rees, W.A. Selvig
1942, Industrial and Engineering Chemistry (14) 209-212
The preliminary hearth heating method (A and E) gave results within the A. S. T. M. tolerances for all duplicates obtained in the same laboratory. Checks between different laboratories within A. S. T. M. tolerances were obtained for coals containing up to about 3.6 per cent mineral carbon dioxide, but...
Banded birds recovered in El Salvador
M.T. Cooke
1941, The Auk (58) 589-590
Three records of birds banded in the United States and recovered in El Salvador have recently been received and seem of sufficient importance to warrant immediate publication....
Notes on Costia Necatrix
F. F. Fish
1941, Transactions of the American Fisheries Society (70) 441-445
Costiasis, or the disease produced by the flagellated protozoan ectoparasite, Costia necatrix, is of considerable importance in the artificial propagation of both warm- and cold-water fishes. In spite of its importance, costiasis seldom is accurately diagnosed probably because of the extremely small size and sedentary nature of the causative organism....