MALLOPHAGA FROM BIRDS 489 



Albemarle, C. salvini from Chatham, C. variegatus from Chatham, 

 Progne modesta from Albemarle, Pyrocephalus intercedens from 

 Albemarle, Actitis macularia from Albemarle, Oceanites gracilis 

 from Albemarle, Procellaria tethys from Albemarle, and Anous 

 stolidus from Clipperton Island. Thus a parasite of wide range and 

 of many host species. 



Previously recorded by Kellogg from Turdus ustulatus and Spinus 

 tristis from Palo Alto, California, and by Kellogg and Chapman from 

 Chondestes gravimacus strigatus from Ontario, California, and from 

 Thryothorus bewicki spihirus from Palo Alto, California. 



LIST OF HOSTS, WITH PARASITES. 



Actitis macularia. — Docophorus breviformis^ Lipeurus languidus^ 

 Mefiopon incertum^ Nirmus galapagensis. 



Anous stolidus (Clipperton Island). — Colpocephalu?n miller i, C. 

 spineum^ Lipeurus baculus^ L. diver sus^ L. /lelleri, L. potetis^ 

 Afenopon inccrtum, M. singularis^ Nirmus gloriosus^ N. separatus. 



Anous stolidus galapagensis. — Docophorus melanocephqlus. 



Arenaria interpres. — Eurymetopus brevis. 



Butorides virescens. — Colpocephalum miller i^ Lipeurus diver sus^ 

 Metiopon narboroughi^ Nirmus paludicola. 



Camarhynchus affinis. — Colpocephalum milleri, Docophorus albe- 

 marlensis^ Nirmus gloriosus^ N. vulgatus galapagensis. 



Camarhynchus productus. — Docophorus galapagensis .1 Goniocotes 

 galapagensis., Lipeurus baculus., L. languidus, Menopon albetttarlei., 

 M. incertuju., Nirmus galapagensis., N. vulgatus galapagensis. 



Camarhynchus prosthemelas. — Docophorus galapagensis., Nirmus 

 vulgatus galapagensis. 



Camarhynchus salvini. — Menopon incertum. 



Camarhynchus variegatus. — Menopon incertum., Nirmus galapa- 

 gensis., N. interpositus., N separatus. 



Certhidea albemarlei. — Colpocephalu?n unciferum., Docophorus 

 insulicola., Menopon incertum., Nirmus galapagensis., N. separatus., 

 N. vulgatus galapagensis. 



Certhidea becki. — Alenopon incertum., Nir?nus vulgatus galapa- 

 gensis. 



Coccyzus melanocoryphus. — Menopon snodgrassi., Nirmus gala- 

 pagensis. 



Creagrus furcatus. — Docophorus lari^ Lipeurus helleri. 



Dendroica aureola. — Docophorus peristictus^ Nirmus vulgatus 

 galapagensis^ Physostotnum angulatum. 

 Proc. Wash. Acad. Sci., Sept., 1902. 



