Synopsis of the North American fresh-water leeches /
Verrill, A. E.
Synopsis of the North American fresh-water leeches / by A. E. Verrill - Washington : [s.n.], 1874 - 666-689 p. ; 23 cm - Reports of the United States Fisheries Commission ; 2 .
Extract from the report of Prof. S.F. Baird, Commissioner of Fish and Fisheries. Part 2, Report for 1872-'73
Synopsis of the North American fresh-water leeches / by A. E. Verrill - Washington : [s.n.], 1874 - 666-689 p. ; 23 cm - Reports of the United States Fisheries Commission ; 2 .
Extract from the report of Prof. S.F. Baird, Commissioner of Fish and Fisheries. Part 2, Report for 1872-'73