40 



PACIFIC COAvST AVIFAUNA No. 3 



238 (418 b) Phalaenoptilus nuttalli californicus Ridgway. 



Dusky Poor-will. 



St\'s.-~Antrosto>nus nuttaUi, part; Pkalrruoptilus nuttalli, part. 



Status — Common summer visitant to the foothill regions west of the Sierras, chiefly 



Upper Sonoran; recorded north to Gridley, Butte County; remains through the winter 



in the southern part of the State. 



239 (420) Chordeiles virginianus virginianus (Graelin) Swainson. 



NiGHTHAWK. 



vSyn. — Chordeiles popettie. part; Chordeiles virgtnianus henryi, part; Chordeiles popetue var. 



henryi. 

 Status — Common summer visitant to the Transition and Boreal Zones of the north end of 



the State and south through the Sierras; recorded during migration more generally 



through the western valleys. 



240 (420 a) Chordeiles virginianus henryi (Cassin) Coues. 



Western Nighthawk. 



STATUS — Fairly common summer visitant to the desert regions southeast of the Sierras; 

 recorded north to Mono Lake. 



241 (421) Chordeiles acutipennis texensis (Lawrence) Ridgway. 



Texas Nighthawk. 



Syn. — Chordeiles texensis; Chordeiles virginianus henryi, part; Chordeiles popetue, part; 



Chordeiles virginianus, part. 

 Status. — Abundant summer visitant throughout the Lower Sonoran Zone; recorded north 



to Bishop in Owens Valley, Stanislaus County, and Paicines in San Binito County. 



242 (422) Cypseloides niger borealis (Kennerley) Drew. 



Black Swift. 



Syn. — Cypseloides niger; Cypseloides borealis; Nephoecetes niger. 



Status — Fairly common locally; occurs in summer irregularly throughout the State. 



243 (424J Cheetura vauxi (Townsend) DeKay. 



Vaux Swift. 



Syn. — ^Icanthylis vauxi. 



Status — Fairly common summer visitant to the humid coast belt from the Santa Cruz 

 Mountains northward; common migrant almost throughout the State. 



244 (425) Aeronautes melanoleucus (Baird) Hartert. 



White-throated Swift. 



Syn. — Panyptila melanoleuca; Micropus melanoleucus; Cypselus saxatttis. 



Status— Fairly common summer visitant to mountainous regions west of the humid 



coast belt; also along the seacoast north to Santa Cruz; remains nearly through the 



winter in the southern part of the State. 



