Studies in spermatogenesis /
Stevens, N. M.(Nettie Maria),1861-1912.
Washington, D.C. : Carnegie Institution of Washington,
1905-06.
Paged continuously.
Each plate preceded by leaf with descriptive letterpress included in pagination.
Includes bibliographical references (pt. 1, p. 19 ; pt. 2, p. 57-58).
Pt. 1. With especial reference to the "accessory chromosome" -- Pt. 2. A comparative study of the heterochromosomes in certain species of Coleoptera, Hemiptera and Lepidoptera, with especial reference to sex determination.
Spermatogenesis.
Sex.