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THE  NEW   STUDENT'S   DEFERENCE   WORK

b. Snakes: 1773; rattlesnake 1588; copperhead 452; boa 231; cobra 417.

c. Turtles:

6. STUDY OF BIRDS:

a. Classification of birds:  217.

(1) Color, scales and fangs:   1773.

(2)  Moulting of skin:   1773.

(3) Means of movement:   1773.

(a) Of  what   it   consists:

rattlesnakes 1588; copperhead 452.

(4)  Food: <{ (b)  How  obtained:    black

snake 223.

(c) How    digested:     Boa 231.

(1)  Protective covering of the turtle:

1958.

(2)  Different kinds of turtles:   1959.

(3) Manner    of    swimming    and    di-

ving:  1959.

(4) Food,   how   obtained,   of   what   it

consists:  1959; 1925. L (5) The eggs of the turtle:  1959; 589.

(1) As to zone on the earth where found:

(2) As to the habitat without regard to climate:

(a) Tropical birds: parrots 1425; birds

of paradise 218.

(b)  Birds of temperate zones",  hawks

850; crows 482; sparrows 1791.

(c)  Birds of cold climates:   Auk 138;

goose 780; migration 1223; owl 1404.

1. Divers:      like     the

loon 536; gull 814; albatross 39; pelican 1442.

2. Swimmers:  like the (a) Water-birds:  J         duck   557;    goose

780; swan 1853.

3. Waders:    like    the

heron 869; crane 473; and flamingo 680.

(b) Shore-birds:    like the snipe 1773; and

plover 1505.

(c)  Land-birds:   like the quail 1570;  tur-

key 1995; robin 1620;  and bluebird 231. b. Things to notice In studying birds:

(1) Size — compared with  some very common  bird, as the  robin which measures 10 inches:   1620; lark 1031; oriole 1394.

(a) Is it to attract attention  like the

Baltimore oriole's?   164.

(b)  Is it for protection like the meadow

larks? 1194.

(c)  Notice the differences in color be-

tween the male and the female: as in the bobolink 232.

(3) Notice the special markings:   as in the plover 1505;  the owl

1404.

(4) The shape:   as in the loon 536; the flamingo 680; the emu 613.

(5) The bill, wing, tail and feet:   as in the pelican 1442; humming-

bird 898; falcon 647;  albatross 39;  gull 813;  peacock 1434; condor 440.

(6)  Movements on  land:   as  skulking the rail 1581;   walking the

adjutant 14; running, the sandpiper 1674; ostrich 1398; diving, the divers 536; swimming, the ducks 557.

2221

(2) Color: