A contribution to the embryology and phylogeny of the Pycnogonids
Publisher: Johns Hopkins press
Published: 1891
Place of publication: Baltimore
Language: eng
Number of pages: 76
Subjects: Pycnogonida
Notes: Issued also as thesis (PH.D.) - Johns Hopkins university, 1890.

"Reprinted from Studies from the biological laboratory, vol. v. no. 1."

Bibliography: p. 71.

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