Description: Guide to invertebrate animals

Main Author:	Webb, Joseph Ernest
Other Authors:	Wallwork, John Anthony( 1932), Elgood,
Language:	English
Published:	London: Macmillan, July 1978.
Edition:	2nd ed..
Subjects:	Invertebrate -- > Classification

Physical Description:	305 p.: ill.; 22 cm..
ISBN:	0333247450