320 GEOGRAPHICAL ZOOLOGY. [part iv. 



sp.), La Plata and Bolivia to Canada, Cuba ; Stenopsis (4 sp.), 

 Martinique to Columbia, West Peru and Chili ; Siphonorhis (1 sp.), 

 Jamaica ; Heleothreptus (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 ; 

 Cosmetornis (1 sp.), all Tropical Africa ; Podager (1 sp.), Tropical 

 South America to La PJata ; Lurocalis (2 sp.), Brazil and 

 Guiana ; Chordeiks (8 sp.), Brazil and West Peru to Canada, 

 Porto Eico, Jamaica ; Nydiprogne (1 sp.), Brazil and Amazonia ; 

 Eurostopodus (2 sp.), Australia and Papuan Islands ; Lyncornis 

 (4 sp.), Burmah, Philippines, Borneo, Celebes. 



Family 74.— CYPSELTD.E. (7 Genera, 53 Species.) 



General Distribution. 



Neotropical | Nearctic 

 srb-regions. sub-begions. 



1.2.3.4- I 1.2.3.4 



PALiEARCTIC I EtHIOPIA/I I ORIENTAL I AUSTRALIAN 



ScB-REoioNs. Sub-regions. Sub-regions. SuB-REGioNai 



1.2.3.4- 1.2.3.4- 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 ; Chmtura (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 ; Cypseloides (2 sp.), Brazil and 

 Peru ; Nephcecetes (2 sp.), Cuba, Jamaica, North-west America. 



