Studies on the ciliates of sea-urchins
Subtitle: a general survey of the infestations occurring in Tortugas echinoids
By: by Philip B. A. Powers ... With two plates and fourteen text-figures <Issued December 9, 1935.>
Series: In Carnegie institution of Washington.  Tortugas laboratory, Papers.
Published: 1936
Place of publication: Washington
Language: eng
Number of pages: 326
Subjects: Ciliata; Sea urchins; Protozoa -- Florida -- Dry Tortugas; Echinodermata -- Florida -- Dry Tortugas
Notes: Carnegie institution of Washington.  Publication no. 452.
"Literature cited": p. 326.