Roule, Louis. Fishes : their ways of life / Louis Roule ; translated from the French by Conrad Elphinstone. - New York : W.W. Norton & company, 1935. - viii, 312 p. : ill. ; 20 cm. Index includes. 392 392 LCCN: 35027208 Subjects--Topical Terms: Fishes.--London. Dewey Class. No.: 597 / R758f