Observations on Polyzoa, sub-order Phylactolæmata
By: by Alpheus Hyatt
Publisher: publisher not identified
Published: 1868?
Place of publication: Salem, [Mass.]
Language: eng
Number of pages: 103
Subjects: Phylactolaemata
Notes: "From Proceedings of the Essex Institute, vols. IV and V, 1866-1868."