The book Animal Forms a Text book of Zoology was written by author Jordan David Starr Here you can read free online of Animal Forms a Text book of Zoology book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Animal Forms a Text book of Zoology a good or bad book?
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The rivers in which they spent their youth. Up these streams they rush in crowds, leaping waterfalls and rapids, and, dashed and battered on the rocks, many, and in some species all, die from injuries 172 ANIMAL FORMS or exhaustion after the breeding season is passed. The eggs, like those of the chubs, suckers, sunfishes, and cat- fishes, are usually buried in shallow holes in the sand, and the males of most fishes keep a faithful watch over the young until they are able to live in safety. In s...ome of the sticklebacks and several marine species elaborate nests are composed of grass or seaweeds ; some of the catfishes carry the eggs until they hatch in their mouths or else in folds of spongy skin on the under side of the body ; in the pipefishes and sea-horses a slender sac along the lower sur- face of the male acts as a brood-pouch, in which the female places the eggs to remain until developed ; and some fishes, such as the surf-fishes and a number of the sharks, bring forth their young alive.
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