320 
GEOGRAPHIC A L ZOOLOG Y. 
[part IV. 
sp.), La Plata and Bolivia to Canada, Cuba ; Stenopsis (4 sp.), 
Martinique to Columbia, West Peru and Chili ; Siphonorhis (1 sp.), 
Jamaica ; Hdeothreptus (1 sp.), Demerara ; Nyctidromus (2 sp.), 
South Brazil to Central America ; Scortornis (3 sp.), West and 
East Africa; Macrodipteryx (2 sp.), West and Central Africa; 
Gosmetornis (1 sp.), all Tropical Africa ; Podager (1 sp.), Tropical 
South America to La Plata ; Lurocalis (2 sp.), Brazil and 
Guiana ; Chordeites (8 sp.), Brazil and West Peru to Canada, 
Porto Bico, Jamaica ; Nydiprogne (1 sp.), Brazil and Amazonia ; 
Eurostopodus (2 sp.), Australia and Papuan Islands ; Lyncornis 
(4 sp.), Burmah, Philippines, Borneo, Celebes. 
Family 74— CYPSELIDJE. (7 Genera, 53 Species.) 
General Distribution. 
Neotropical 
Sub-regions. 
Nearctic 
SUB-REGIONS. 
Pal^arctic 
SUB-EEGIONH. 
Ethiopian 
Sub-regions. 
Oriental 
Sob-regions. 
Australian 
Sub-regions. 
1 . 2 . 3 .4 
1 . 2 . 3. 4 
1 . 2 . 3 . 4 
1 . 2 . 3 .4 j 
1 . 2 . 3.4 
1 . 2 . 3 — 
The Swifts can almost claim to be a cosmopolitan group, 
but 'for their absence from New Zealand. They are most 
abundant both in genera and species in the Neotropical and 
Oriental regions. The following is the distribution of the 
genera : — 
Cypselus (1 sp.), absent only from the whole of North America 
and the Pacific ; Panyptila (3 sp.), Guatemala and Guiana, and 
extending into North-west America; Collocalia, (10 sp.), Mada- 
gascar, the whole Oriental region and eastward through New 
Guinea to the Marquesas Islands; Dendrochelidon (5 sp.), 
Oriental region and eastward to New Guinea ; Chcetura (15 
sp.), Continental America (excluding South Temperate), West 
Africa and Madagascar, the Oriental region, North China and 
the Amoor, Celebes, Australia; Hemiprocne (3 sp.), Mexico to 
La Plata, Jamaica and Hayti ; Gypseloides (2 sp.), Brazil and 
Peru ; Nephcecetes (2 sp.), Cuba, Jamaica, North-west America. 
