116 CALIFOKNIA ACADEMY OF SCIENCES. 



Ancistrona. 



Ancistrona gigas Piaget. (See Kellogg, New Mallo- 

 phaga, I, 1896, p. 150, pi. xiii, figs. 1 and 2). 

 A few specimens from the Shearwaters, Puffinus opis- 

 thomelas and P. griseus (from one individual of opis- 

 thomelas out of thirty-four examined, and from two of 

 griseus out of fourteen examined) from the Bay of 

 Monterey, California. Taken previously by Kellogg 

 from Fulmariis glacialis vars. rodgersii and glupischa 

 (Bay of Monterey, California). 



Trinoton. 



Trinoton luridum Nitzsch. (See Kellogg, New Mallo- 



phaga, I, 1896, p. 152, pi. xiii, fig. 4). 



Specimens from the Baldpate, Anas americana, and 

 the American Scaup Duck, Aythya marila nearctica, 

 (Palo Alto, California) and from the Shoveller, Spatula 

 dyp>eata (Mountain View, California). Taken prev- 

 iously by Kellogg from two of these hosts, and from 

 other duck species (Kansas and California). 



Trinoton lituratum Nitzsch. (See Kellogg, New Mallo- 



phaga, I, 1896, p. 151, pi. xiii, fig. 3). 



Specimens from the Shoveller, Spatula clypeata 

 (Mountain View, California) and from another indi- 

 vidual of the same species (Palo Alto, California). 

 Taken previously by Kellogg from Dajila acuta and 

 Merganser americanus (Lawrence, Kansas). 



Menopon. 



Menopon tridens Nitzsch. ( See Kellogg, New Mallo- 

 phaga, I, 1896, p. 165, pi. xv, figs. 3 and 4). 



