The Sea-Shore Book 
by Boyd Smith (1912)
A picture book of life and work at the seashore with a sea captain.

Sea-side Walks of a Naturalist With His Children 
by William Houghton (1870)

Shells and Sea-Life 
by Josiah Keep (1901)

West Coast Shells 
by Josiah Keep (1887) 
A familiar description of the marine, fresh water and land mollusks of the United States found west of the Rockies.

The Sea and Its Wonders 
by Mary Gregg Kirby (1890)

The Hall of Shells 
by A. S. Hardy (1897)

A First Lesson in Natural History 
by Elizabeth Agassiz (1899)

Half Hours with the Lower Animals 
by Charles Holder (1905) 
Protozoans, sponges, corals, shells, insects and crustaceans

The Sea and Its Wonders 
by Cyril Hall (1911)
For older readers

The Handbook of Nature Study 
by Anna Botsford Comstock (1911)