Contents [ 9 



6. ANIMAL FRIENDS AND HELPERS . . 137 



Dogs keen eyes and ears dogs are good runners how dogs talk 

 when a child fears dogs the wild strains in our dogs the St. 

 Bernard Seeing Eye dogs the German shepherd dogs in the 

 home cats seeing in the dark sensitive feelers the cat as a 

 hunter cats are model mothers children and cats cat language 

 where cats came from Persian cats Siamese cats the Manx- 

 pet shows and pictures horses a horse's teeth tell its age how 

 horses run the horse's wild relatives thoroughbreds and other 

 popular breeds Arabian horses the humble donkey and mule_^_ 

 cattle how milk is produced how cows eat how cattle express 

 themselves good hearers and smellers tail switching goats: they 

 don't eat cans sheep: they came down from mountains obedi- 

 ence saves the sheep pigs: smarter than you think pig talk. 



7. FISH AND THEIR FABULOUS NEIGHBORS . . 164 



How fish breathe how the gills work fascinating fins moving 

 through the water how the goldfish gets its color fish use 

 camouflage too how fish see and hear fish scales telling the age 

 of fish "it was that big!" fish migrate too how to keep an 

 aquarium successfully how long fish live fishes in the brook- 

 how to plan a fishing trip more fishing fun for children- 

 shiners and "pumpkin seeds" the plucky sunfish catching fish 

 with a net keeping records of fish visiting fish hatcheries- 

 family life in the fish world fish that don't lay eggs some famous 

 fish trout salmon eels: versatile creatures fish that are differ- 

 entthe fish that walks "flying" fish sea horses: nature's eccen- 

 tricsshocking fish sharks: not so ferocious whales: biggest 

 mammals of them all whale "babies" mermaids: glamour girls 

 of the sea sponges coral: semi-precious ornament architect of 

 the seas the bashful snails how to take care of a pet snail at 

 the seashore stinging hydroids flower-like sea anemones shell- 

 fish: they aren't really fish the clams' pearly lining the self- 

 effacing crabs the rock crab the aggressive lobsters shell 

 hobbies are fun shell collecting decorative uses for shells- 

 shell handicrafts. 



8. SNAKES AND FROGS AND THEIR RELATIVES . 195 



Reptiles: past and present the cold-blooded snakes sleeping 

 through the winter the snake's body: more than a tail the 

 snake's hearing aid molting: how snakes shed their skin how 



