66 CLASS AVES. 



Ooonalaschka Swallow. Lath. H. Ooonalaschi- 

 kensis. Lath. 



Blackish ; beneath ash ; rump whitish. Ooonalaschka; 

 length, 4^ inches. 



Peruvian Swallow. H. Peruviana. Brisson. 



Black ; beneath white ; abdominal band ash ; wings 

 and tail pale grey. 



Otaheitan Swallow. H. Tahitica. Gm. Lath. 

 Syn. iv. title page. 



Blackish brown, with bluish reflection above the fore- 

 head ; neck and beneath purplish ; tail, slightly 

 forked, black. Otaheite ; length, 5 inches. 



H. nigricans. Vieil. 



Blackish brown •, beneath pale white ; throat and crop 

 brown streaked ; tail slightly forked. Australasia. 



Hir. tkalassinus. Swainson. 



Above changeable green, with lilac reflection ; beneath 

 snowy whiie ; wings and tail violet brown ; tail 

 slightly forked. 



* Tail even ; txvo outer feathers very long, and half 

 jiliform. 



Wire-tailed Swallow. Lath. H. Jllifera. 



Bluish; beneath white; wing and tail black ; tail with 

 a white subterminal spot ; brown nape ; upper part 

 of neck rufous. India. — British Museum. 



Hirundo rujiceps. Licht. 



Crown and forehead chesnut ; upper part of body and 

 eye-streak steel black ; beneath white; chest-band fer- 



