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Page 7082, results 177026 - 177050

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Diseases and parasites of the sea lamprey, Petromyzon marinus, in the Lake Huron basin
Alberton L. McLain
1952, Transactions of the American Fisheries Society (81) 94-100
Sea lampreys from the Lake Huron basin carried no external parasites and showed a fairly low degree of infection by internal parasites. The material examined represented three life-history stages of the sea lamprey. Recently transformed downstream migrants (215 specimens) harbored only nematodes belonging to the genus Camallanus. The percentage of...
Further studies on factors determining tissue levels of sulfamerazine in trout
S. F. Snieszko, S. B. Friddle
1952, Transactions of the American Fisheries Society (81) 101-110
There is considerable variation in the tissue level of sulfamerazine among individual trout in a treated population. This fact may be the reason why prolonged sulfonamide therapy sometimes fails to free all trout from Bacterium salmonicida. The quantity of food given with a standard dosage of sulfamerazine has a pronounced...
Origin of the Mima Mounds, Thurston County region, Washington
R. C. Newcomb
1952, Journal of Geology (60) 461-472
There has been recent favorable consideration of the idea that the Mima mounds were made by gophers. The writer believes the evidence indicates that gophers function only in the reworking of the mound material, not in the primary construction. The plausibility of the earlier glacial or periglacial theory has been...
Silicate analysis
R.M. Fowler, W.M. Hazel, J.P. Highfill, R.E. Stevens
1952, Conference Paper, Analytical Chemistry
[No abstract available]...