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CHAP, xviii.] BIRDS. 317
considered to show most resemblance, though still a very distant
one, to the kingfishers. They are abundant in the Ethiopian
and Oriental regions, and extend eastward to the Solomon
Islands. Their classification is very unsettled, for though they
have been divided into more than twenty genera they have not
yet been carefully studied. The following grouping of the
genera—referring to the numbers in the Hand List—must
therefore be considered as only provisional :
^1957 1958 1963) BuccTOs (6 sp.), all ludo-Makya, Arakan, Nepal
(^^^^g - wei)
and the Neilgherries (Plate IX. Vol. I. p. 339) ;
Eydrocissa (7 sp.), India and Ceylon to Malaya and Celebes
(1962^ Berenicornis (2 sp.), Sumatra and "West Africa; (^^*)
Calao (3 sp.), Tennaserim, Malaya, Moluccas to the Solomon
Islands; Q^) Aceros (1 sp.). South-east Himalayas; {^^ ^^'^)
Cranorrhiniis (3 sp.), Malacca, Sumatra, Borneo, Philippines,
Celebes ; Q^^) Penelopides (1 sp.), Celebes ; Q^^ - i^^^) Tockus
(15 sp.), Tropical and South Africa ;
Sumatra and Borneo ;
with East and South Africa ;
and Ceylon to Tenasserim ;
South Africa.
Neotropical
St'b-regions.
—
(i^^^) BUnoplax (1 sp.),
(^^^^ - i^^^) Bycanistes (6 sp.). West Africa
Q^"^^ i^") Meniceros (3 sp.), India
Q^''^) Bucorvus (2 sp.), Tropical and
Family 69.—UPUPID^. (1 Genus, 6 Species.)
Nearctic Pal^akctic
I
Sub-regions. Sdb-regions.
General Distribution.
Ethiopian
Sub-regions.
— 2-4 1.2.3.4
Oriental
Sub-regions.
1.2.3
Australian
Sub-regions.
The Hoopoes form a small and isolated group of semi-terres-
trial insectivorous birds, whose nearest affinities are with the
Hornbills. They are most characteristic of the Ethiopian re-
gion, but extend into the South of Europe and into aU the
continental divisions of the Oriental region, as well as to Ceylon,
and northwards to Pekin and Mongolia.
;