488 



S. UCHIDA : 



Width of head, .36 ( .45) mm. 

 Length of thorax, .39 ( .45) „ 

 Width of thorax, .35 ( .46) „ 



Gen. Colpocephalum Nitzsch. 

 12. Colpocephalum milleri Kellogg and Kuwana. 



Kellogg and Kuwana, Proc. Wash. Acad. Sc., IV, p. 483, pi. xxx, fig. 6. 



Eleven female, two male and numerous young specimens were 

 collected from Aiious stolidus shot in the Ponapé Id. (April 21) ; and 

 further, a young specimen was obtained from Sterna melanauchen shot 

 in the same Island (April 29). 



13. Colpocephalum importunimi Nitzsch. 



Denny, Monogr. Anopl. Brit., p. 214, pi. xviii, fig. 1 ; Giebel, Insecta Epizoa, p. 272 ; 

 Piaget, Les Pediculines, p. 548» pi- x l v > fig- 8. 



Seven male, ten female and numerous young individuals were 

 collected from Demicgretta jugularis grayi shot on the Ponapé Id. 

 (April 28). Further, three females from Sterna bergli; and one male, 

 three females and a young from Sterna melanauchen (both Sterna 

 species obtained on the Ponapé Id. (April 29). 



This species has heretofore been found only on birds of the 

 Ardeidae {Ardea cinerea, A. minuta and A. garzettd). The specimens 

 from the two species of terns may be attributed to straggling from the 

 reef-heron which often occurs on same rocks in the island. 



14. Colpocephalum nyctardœ Denny. 



Denny, Monogr. Anopl. Brit., p. 215, pi. xx, fig. 9. 



A male specimen from Demiegretta jugularis grayi (date and 

 Exact locality unknown). 



