The pearly freshwater mussels of Ontario
By: byJ.D. Detweiler.
Series: CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches -- no. 83575
Publisher: J. de L. Taché
Published: 1997
Place of publication: Ottawa
Language: eng
Format: Microform
Number of pages: 15
Subjects: Mussels -- Ontario.; Freshwater mussels -- Ontario.
Notes: At head of title: 8 George V, Sessional paper no. 38a, A. 1918. Biological contributions, 1917-18.

Filmed from a copy of the original publication held by Fisheries and Oceans Canada, Library, Ottawa. Ottawa : Canadian Institute for Historical Microreproductions, 1997.

p. 76-91 ; 25 cm.