Following earlier studies ( Ringoen and Kirschbaum, '39 ; Ringoen, '40) on the eEects of estrogen administrations on the reproductive system of the female English sparrow,
Effects of thyroxin on plumage of the English sparrow, Passer domesticus (LINNAEUS)
โ Scribed by Miller, Dorothea Starbuck
- Publisher
- John Wiley and Sons
- Year
- 1935
- Tongue
- English
- Weight
- 888 KB
- Volume
- 71
- Category
- Article
- ISSN
- 0022-104X
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I n a previ o m publication (Ringocn a i d Kirschhaurn, '39) brief reference wts made to the effects of injections of female sex hormone upon the ovary and oviduct of the Eiiglisli sparrow cluriiig the season of sexual inactivity. Attention was called to the fact that administration of the estrogeni
## Abstract In an experimental study of sexual dimorphism in plumage coloration in the house sparrow, __Passer domesticus__, skin grafts were exchanged between nestlings on the first to sixth day after hatching. Before fledging, the young birds were moved from the nest to cages and kept for several