xxviii GEOGEAPHICAL DISTEIBUTION. 



a^. Austro-Rificirian Sub-Province. 

 Peculiar Genera: — 0. 

 Peculiar Species : — 0. 



Species known to breed within its limits : — 1. Progne purpurea. 2. Petrochelidon pyrrhonota. 

 3. Stelyidopterijx serripennis. 



(3. A)' id Province. 

 (Peculiar Species : — 1. Tacliycineta thalassinus. 2. Proyne hesperia.) 



/3'. Campestrian Sub-Province. 

 Peculiar Genera : — 0. 



Peculiar Species : — 1. Tachycineta thalassinus. 



Species known to breed within its limits: — -1. Tachycineta bicolor. 2. Hirutido erythrogaslra. 

 3. Progne purpurea. 4. P. hesperia. 5. Petrochelidon pyrrhonota. 



jS-. Sonoran Sub-Province. 

 Peculiar Genera : — 0. 



Peculiar Species : — 0. 



Species known to breed within its limits: — \. Hirundo erythrogastra. 2. Progne purpurea. 

 3. P. hesperia. 4. Stelgidopteryx serripennis. 



F. NEOTROPICAL REGION. 



E^. Antillean Sub-Region. 

 Peculiar Genera : — *. 



Peculiar Species : — 1. Tachycineta cyaneovrridis. 2. Hirundo euchrysea. 3. H. sclateri. 4^. Progne 

 dominicensis. 5. Petrochelidon fulva'\. 



Species known to breed within its limits : — 1. Tachycineta cyaneoviridis. 2. Hirundo euchrysea. 

 3. H. sclateri. 4. Progne dominicensis. 



W. Centkal-American Sub-Pv,egion. 



05. Mexican Pi^ovince. 



Peculiar Genera : — 0. 



Peculiar Species :- — 0. 



Species known, or supposed, to breed within its limits :—=l. Tachycineta albilinea. 2. Hirundo 

 erythrogastra. ' 3. Progne chalybea. 4. Atticora cyanoleuca. 5. Petrochelidon swainsoni. 

 6. P.fulva. 



* If the Bronze Swallows are separated from true Hinindo, then Calichelidon becomes a genus peculiar to the 

 Antillean Sub-Region. 



t Practically an Antillean species, though it occurs in Yucatan, and is said to breed there. 



