_Serinus hortulanus_ Serin.
40. _Carduelis elegans_ Goldfinch.
41. _Linota cannabina_ Linnet.
42. _Corvus monedula_ Jackdaw.
43. _Chelidon urbica_ House-Martin.

IV. BRITISH BIRDS RANGING TO NORTH AFRICA.

1. _Hypolais icterina_ Icterine Warbler.
2. _Acrocephalus aquaticus_ Aquatic Warbler.
3. ,, _luscinioides_ Savi's Warbler.
4. _Motacilla lugubris_ Pied Wagtail.
5. _Pyrrhula europaea_ Bullfinch.
6. _Garrulus glandarius_ Jay.

V. BRITISH BIRDS RANGING TO WEST ASIA ONLY.

1. _Accentor collaris_ Alpine Accentor.
2. _Muscicapa parva_ Red-breasted Flycatcher (to N. W.
India).
3. _Panurus biarmicus_ Bearded Titmouse.
4. _Melanocorypha sibirica_ White-winged Lark.
5. _Euspiza melanocephala_ Black-headed Bunting.
6. _Linota flavirostris_ Twite.
7. _Corvus frugilegus_ Rook.

VI. BRITISH BIRDS CONFINED TO EUROPE.

1. _Cinclus aquaticus_ Dipper (closely allied races inhabit
other parts of the Palaearctic Region).
2. _Parus cristatus_ Crested Titmouse.
{38}
3. _Anthus obscurus_ Rock Pipit.
4. _Linota rufescens_ Lesser Redpoll (closely allied races in
N. Asia and N. America).
5. _Loxia pityopsittacus_ Parrot Crossbill (a closely allied form
in N. Asia).

We find, that out of a total of 118 British Passeres there are:

32 species which range to North Africa and Central or East Asia.

25 species which range to Central or East Asia, but not to North
Africa.

43 species which range to North Africa and Western Asia.

6 species which range to North Africa, but not at all into Asia.

7 species which range to West Asia, but not to North Africa.

5 species which do not range out of Europe.

These figures agree essentially with those furnished by the mammalia, and
complete the demonstration that all the temperate portions of Asia and
North Africa must be added to Europe to form a natural zoological division
of the earth. We must also note how comparatively few of these overpass the
limits thus indicated; only seven species extending their range
occasionally into tropical or South Africa, eight into