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shores of Lake Superior; 177 being Geodephaga and 39 Longicorns.

Greenland.This great arctic island must be considered as belonging to the Nearctic region, since of its six land mammals, three are exclusively American (Myodes torquatus, Lepus glacialis, and Ovibos moschatus), while the other three (Vulpes lagopus, Ursus maritimus, and Rangifer tarundus) are circumpolar. Only fourteen land-birds are either resident in, or regular migrants to the country; and of these two are European (Haliaetus albicilla, and Falco peregrinus), while three are American (Anthus ludovicianus, Zonotrichia leucophrys, and Lagopus rupestris), the rest being arctic species common to both continents. The waders and aquatics (49 in number) are nearly equally divided between both continents; but the land-birds which visit Greenland as stragglers are mostly American. Yet although the Nearctic element somewhat preponderates, Greenland really belongs to that circumpolar debateable land, which is common to the two North Temperate regions.

Concluding remarks.—We have already discussed pretty fully, though somewhat incidentally, the status and relations of the Nearctic region ; first in our chapter on Zoological regions, then in our review of extinct faunas, and lastly in the earlier part of this chapter. It will not therefore be necessary to go further into the question here ; but we shall, in our next chapter, give a brief summary of the general conclusions we have reached as to the past history and mutual zoological relations of all the great divisions of the earth.

TABLES OF DISTRIBUTION.

In drawing up these tables, showing the distribution of various classes of animals in the Nearctic region, the following sources of information have been chiefly relied on, in addition to the general treatises, monographs, and catalogues used in the compilation of the 4th Part of this work.

Mammalia.Professor Baird's Catalogue ; Allen's List of the Bats; Mr. Lord's List for British Columbia; Brown, for Greenland; Packard for Labrador.

Birds.-Baird, Cassin, and Allen's Lists for United States; Richardson's Fauna Boreali Americana; Jones, for Bermudas and papers by Brown, Coues, Lord, Packard, Dall, and Professor Newton.

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TABLE I.

FAMILIES OF ANIMALS INHABITING THE NEARCTIC REGION.

EXPLANATION.
Names in italics show the families which are peculiar to the region.
Names inclosed thus (.....) show families which barely enter the region, and are not

considered properly to belong to it.
Numbers correspond to the series of numbers to the families in Part IV.

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BIRDS. PASSERES. 1. Turdida... 2. Sylviidæ... 5. Cinclidæ 6. Troglodytidæ 7. Chamaidee 8. Certhüdæ 9. Sittidæ 10. Parida 19. Laniidae 20. Corvida 26. (Cerebida) 27. Mniotiltidæ 28. Vireonidæ 29. Ampelidæ 30. Hirundinidæ... 31. Icterida... 32. Tanagridæ 33. Fringillidæ 37. Alaudidæ 38. Motacillidae 39. Tyrannidæ

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Almost cosmopolite
Almost cosmopolite
Palæarctic, Oriental, Andes
All regions but Australian
Palæarctic, Oriental, Australian
Palæarctic, Oriental, Australian
The Eastern Hemisphere
The Eastern Hemisphere
Cosmopolite
Neotropical family
Neotropical
Neotropical
Palæarctic, Antilles, Guatemala
Cosmopolite
Neotropical
Neotropical
All regions but Australian
All regions but Neotropical
Cosmopolite
Neotropical

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PICARIE 51. Picidæ ... 58. Cuculidæ 67. Alcedinidae 73. Caprimulgida 74. Cypselidæ 75. Trochilidae

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All regions but Australian
Almost cosmopolite
Cosmopolite
Cosmopolite
Almost cosmopolite
Neotropical

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