A survey of the better known members of the moth family describing their beneficial and warmful effects on man as well as their anatomy, reproduction, relatives, and enemies.
Describes the characteristics of a variety of plants threatened with extinction, where they grow, what is being done to protect them, and how one can learn to recognize and enjoy them.
A survey of the better known members of the moth family describing their beneficial and warmful effects on man as well as their anatomy, reproduction, relatives, and enemies.
Includes the scientific and common name, physical characteristics, habits, environment, and life cycle of whales, dolphins, porpoises, sea cows, seals, walrus, sea otters, and polar bears.
