Freshwater bivalve molluscs
By: by Roy J. Purrott.
Series: Publications / School Natural Science Society; Publications (School Natural Science Society)
Publisher: School Natural Science Society
Published: 1971
Place of publication: Upminster (44 Claremont Gardens, Upminster, Essex RM14 1DN)
Language: eng
Subjects: Lamellibranchiata.
Notes: 'Reprinted from "Natural Sciences in Schools", vol.9 no.3' - title page verso.