On Urnatella gracilis
By: by C.B. Davenport
Series: Bulletin of the Museum of Comparative Zoology -- v. 24, no. 1
Publisher: Museum of Comparative Zoology, Harvard College
Published: 1893
Place of publication: Cambridge
Language: eng
Number of pages: 44
Subjects: Bryozoa
Notes: Each plate accomp. by leaf of descrip. letterpr

Includes bibliographical references (p. 36-37) and index