The history of the germ cells in Pedicellina americana ...
Publisher: The New era printing company
Published: 1905
Place of publication: Lancaster, Pa
Language: eng
Number of pages: 64
Subjects: Bryozoa; Embryology
Notes: Reprinted from the Annals of the New York academy of sciences, February 8, 1905, vol. XVI, no. 1, p. 1-64, plates I-III.

Thesis (Ph. D.)--Columbia university.

Bibliography: p. 51-55.