LESSONS ON SHELLS, 



AS GIVEN TO CHILDREN 



BETWEEN THE AGES OF EIGHT AND TEN, 



IN A PESTALOZZIAN SCHOOL, 



BY THE AUTHOR OF "LESSONS ON OBJECTS. 



ILLUSTRATED BY TEN PLATES, DRAWN FROM NATURE. 



SECOND EDITION. 



PUBLISHED BY R. B. SEELEY AND W. BURNS! DE : 



AND SOLD BY L. AND G. SEELEY, 



FLEET STREET, LONDON. 



MDCCCXXXVIII. 



