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ZOOLOGY

What was the work of Max Sehultze? 2133-6.

How is   embryology  the   key  to  understanding  animal  structures?
 * 2133-6.

What struggle did Wolff have in establishing his view? 524.

Why is Von Baer called the father of modern embryology? 525.

What did he show concerning the arrangement of the numerous cells?
 * 525.

What does the outer germ-layer give rise to in all animals? 525.

What does the middle germ-layer give rise to in all animals? 525.

What is formed from the inner germ-layer? 525.

What was the work of Kowalevsky? 525.

Who published the first work on comparative embryology? 525.

What does development show concerning the history of animals? 525.

What is involved in the fact that, in the course of their development,
 * animals repeat to a certain extent the story of their past? 525.

What line of study is called physiology? 2134.

What two men were prominent in this line? 2134.

Until 1860, what three lines of study made up zoölogy? 2134.

What doctrine was advanced in 1859 that has since dominated the
 * study of zoölogy? 2134.

What are the four divisions of structural zoölogy? 2134.

What is the study of microscopic anatomy called? 2134.

What is the distinction between systematic zoölogy and taxonomy?
 * 2134.

What branch of study has given rise to philosophical zoölogy? 2134.

What line of study has opened the field of experimental morphology?
 * 2134.

What did the study of the mental powers and phenomena in animals
 * lead to? 2134.

What group of insects has 50,000 species? 637.

What destructive insect lays as many as 80,000 eggs? 77.

What animal wears a coat of jointed armor? 104.

What shelled animal develops into a lower instead of higher plane
 * of life? 173-4.

What mammal was formerly classed with birds? 180.

What bear is peculiar to North America? 186.

What animals gnaw down trees nine feet in circumference and dig
 * canals for floating them? 188.

How do bees make wax and honey? 191.

How many pounds of honey does it take to make one pound of wax?
 * 191.

To what other group of vertebrates is the class of birds closely re-
 * lated?  217.

How did the birds of paradise get their name? 218.

What birds make their nests in the sand, digging galleries several
 * feet long? 217.

What birds dig flask-shaped nests against the sides of cliffs? 217.

What birds build oven-shaped nests? 217.

What birds bore holes in trees to form their nests? 218.

How do the weavers and tailor birds make their nests? 218.

What sea birds often follow vessels for many days? 39.

How do alligators hatch their eggs? 52.

What animals are intermediate between fishes and land animals? 65.

What snakes swallow small animals whole? 231.

What dainty insects live through the winter, coming out on warm
 * days? 297.

How can you tell a moth from a butterfly? 1270.

In what three ways is the camel adapted to desert travel? 314.

From what animal is our domestic cat descended? 348.

How are caterpillars protected from their enemies? 350.

What animal's hide is so tough that it cannot be penetrated by lead
 * bullets? 1606.

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