270 "TERRA NOVA" EXPEDITION. 



Genus COLPOCEPHALUM, Nitzsch. 

 1. Colpocephalum spineum, Kell. 



Colpoceplialum spineum, Kellog (V. L.) New Mallophaga, iii, 1899, p. 38, PI. 4, fig. 1. 

 Frigate bird, S. Trinidad (Dr. Atkinson Coll.). 



Note. — Kellogg records Esthiopterwn gracilicorne, Piag. and his own species Menopon aurifasciatuvi 

 and Colpocephalum spineum from the Frigate bird i^Vef/a^a aquila, a species secured by the expedition. The 

 hosts of both the undetermined species of Esthioptermn are uncertain. 



