Vol. Xxii] ENTOMOLOGICAL NEWS 79 



Colpocephalum flavescens Nitzsch. 



Two males from the desert sparrow hawk, Falco sparver- 

 ius dcserticohis (Monterey, Cal.) 



Menopon tridens Nitzsch. 



Specimens from the pied-billed grebe, Podilymbus podiceps 

 (Monterey, Cal.) 



Menopon tridens Xitzsch, var. pacificum Kellogg. 

 Specimens from the pied-billed grebe, Podilymbus podiceps, 

 the common loon, Gavia linker, the shoveller duck, Spatula 

 clypeata, the American coot, Fnlica americana and (strag- 

 gler?) the desert sparrow hawk, Falco s parvenus desertico- 

 Ins, all from Monterey, California. 



Menopon sp. 



One specimen from the shoveller duck, Spatula clypeata 

 (Monterey, California.) 



A Remarkable Dragonfly (Odon.). 



By CHARLES Louis POLLARD, Public Museum, Staten Island 

 Association of Arts and Sciences, New Brighton, New York. 



In the account of a collecting trip in North Carolina last 

 year, presented before the New York Entomological Society 

 on December 21, 1909, by Mr. George P. Engelhardt and 

 myself, reference was made to the capture of a dragonfly, 

 Gomphoidcs ambigua Selys, as being the first record of the 

 occurrence of this tropical American species within the Uni- 

 ted States (see Journ. N. Y. Ent. Soc. v. 18, p. 130). 



The specimen, a male, was taken with numerous other 

 Odonata on the shores of Greenfield Pond, near Wilmington, 

 N. C, on August I, 1909. I am unable to recall the circum- 

 stances of its capture, as I was engaged in general collecting 

 at the time, and did not recognize the insect as unusual. It 

 was sent with other species to Mr. R. P. Currie, of the Uni- 

 ted States Department of Agriculture, who made the follow- 

 ing comment in returning it : 



