The Collared Swift lives among rocks in Arizona, New Mexico and Texas. It has a black collar with very sharp spiny scales.

The Horned Lizard.

These lizards are commonly called Horned Toads, because of their resemblance in the shape of their bodies to that of a toad and of their spiny scales which have the appearance of small horns. Their habitat is in the hottest and driest parts of the country. They are fond of the hottest sunlight and bury themselves in sand at the approach of evening.

The Regal Horned Lizard is found in Arizona and Colorado.

The California Horned Lizard is found abundantly in sections of California.

HORNED TOAD.

The Snake-like Lizards.

These lizards have elongated bodies with either small limbs or no external evidence of such. Some cannot be easily distinguished from snakes. On close examination it will be seen that there is a ridge along each side of the body.

The Keeled Lizard has a habit of keeping its tongue protruded and will wipe its lips with it after feeding. Its tail is easily separated from its body and when so separated, the broken off portion wriggles violently. New tails grow on. It is found in California, Oregon, Washington and eastward from California to Texas.