80 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxii. 



could certainly be made out, used the Checklist name. In cases of 

 doubtful records or references to vernacular names only of host, I have 

 indicated the doubt by a preceding point of interrogation and have 

 given exact reference to the record in following parentheses: 



^chmophorus occidentalis. 



Menopon tridens Nitzsch, var, par Kellogg. 

 Colymbus nigricollis californicus 

 Docophorus perUisus Nitzsch. 

 lari Denny. 

 Tcansensis Kellogg. 

 Nirmus fuscomarginatus Denny, var. americanus Kellogg and 



Chapman. 

 Laeniobothrium similis Kellogg. 

 Menopon tridens Mtzsch, var. insolens Kellogg. 

 Urinator pacificus. 



Docophorus colymbinus Denny. 

 graviceps Kellogg. 

 Oncophorus advena Kellogg. 

 Menopon tridens Mtzsch, var. pacificwm Kellogg. 

 Urinator lumme. 



Docophorus colymbinus Denny. 



lari Denny. 

 Lipeurus faralloni Kellogg. (Straggler?) 



Lunda cirrhata. 



Nirmus pacificus Kellogg and Chapman. 



Golpocephalum perplanum Kellogg and Chapman. 

 Cerorhinca monocerata. 



Docophorus acutipectus Kellogg. 



Nirmus maritimus Kellogg and Chapman. 

 Ptychoramphus aleuticus. 



Docophorus insolitus Kellogg. 

 montereyi Kellogg. 



Nirmus maritimus Kellogg and Chapman. 

 Simorhynchus cristatellus. 



Nirmus citrinus Nitzsch. 

 Simorhynchus pygm^us. 



Nirmus citrinus Nitzsch. 

 Simorhynchus pusilltts. 



Nirmus citrinus Nitzsch. 

 Synthliboramphus antiquus. 



Docophorus atricolor Kellogg. 

 montereyi Kellogg. 



Nirmus citrinus Nitzsch. 



maritimus Kello ^g and Chapman. 



