Moluscos, crustáceos y otros animales acorazados

Description:

Photographs and text examine different types of shells, including seashells, eggshells, and fossil shells, focusing on such aspects as how shells camouflage themselves and how they may be collected.

subjects: Conchas,  Shells,  Collection and preservation,  Identification,  Juvenile literature,  Literatura juvenil,  Shells -- Juvenile literature.