 TM Trippe noted the occurrence of the two forms together in Decatur and Mahaska counties, 5. magna predominating (Proc. Bost. Soc., xv, 1872, p. 239), saying: "The former (negleda) is never heard after the first of September, although it arrives as soon,...  Proceedings - Page 304by Davenport (Iowa) Public Museum - 1910Full view - About this book
 | Elliott Coues, Geological and Geographical Survey of the Territories (U.S.) - 1874 - 818 pages
...arrives as soon as, or a little before, the other — early in March — while the latter remains until November. I have never heard a bird whose notes were intermediate between the two. Here, then, we have the remarkable fact of two varieties— if they are such — of the same species,... | |
 | Elliott Coues - 1874 - 826 pages
...arrives as soon as, or a little before, the other — early in March — while the latter remains until November. I have never heard a bird whose notes were intermediate between the two. Here, then, we have the remarkable fact of two varieties— if they are such— of the same species,... | |
 | Elliott Coues - 1874 - 816 pages
...arrives as soon as, or a little before, the other — early in March— while the latter remains until November. I have never heard a bird whose notes were intermediate between the two. Here, then, we have the remarkable fact of two varieties — if they are such — of the same species,... | |
 | Rudolph Martin Anderson - 1907 - 312 pages
...counties, S. magna predominating (Proc. Bost. Soc., xv, 1872, p. 239), saying: "The former (neglecia) is never heard after the first of September, although...Iowa, mostly in June, July and August, are all typical ncglccta, showing no intergradation, averaging as pale as a series from Nebraska and Indian Territory,... | |
 | Davenport Academy of Sciences - 1910 - 576 pages
...counties, 6'. magna predominating (Proc. Bost.Soc. , xv, 1872, p. 239), saying: "The former (neglecta) is never heard after the first of September, although...Iowa, mostly in June, July and August, are all typical ncglecta, showing no intergradation, averaging as pale as a series from Nebraska and Indian Territory,... | |
 | Boston Society of Natural History - 1873 - 422 pages
...comparatively to the other at least, which is as tame as the bluebird or chipping sparrow. The former is never heard after the first of September, although...bird whose notes were intermediate between the two. Here, then, we have the remarkable fact of two varieties — if they are such — of the same species,... | |
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