82 PBOCEEBINGS OF TEE NATIONAL MUSEUM. vol.xxii 



Larus delawarensis. 



Docophorus lari Denny. 

 Nirmus lineolatus Nitzsch, 

 punctattis Eitzscli. 

 Menopon infrequens Kellogg. 

 Larus brachyrhynchus. 



Bocophonis lari Denny. 

 Nirmus lineolatus Nitzsoh. 



lineolatus Nitzsch, var. atrimarginatus Kellogg and Chap- 

 man. 

 Larus canus. 



Docophorus lari Denny. 

 Nirmus litieolatus E^itzsch. 



lineolatus Nitzsch, var. atrimarginatus Kellogg and Chap- 

 man. 

 Larus heermanni. 



Docophorus lari Denny. 

 Nirmus felix Giebel. 



lineolatus l!«Iitzsch. 

 Colpocephalum funehre Kellogg. 

 Larus Philadelphia. 



Docophorus lari Denny. 

 Larus sp. 



Colpocephalum abbotti Kellogg. 

 Larus sp. (Osborn, Ins. Aff. Dom. An., 1896, p. 246.) 



Colpocephalum fuscipes Piaget. 

 Sterna maxima. 



Docophorus melanocephalus Burmeister. 

 Nirmus hebes Kellogg. 



prwstans Kellogg. 

 Sterna forsteri. 



Menopon tridens IsTitzsch, var. insolens Kellogg. 

 Diomedea nigripes. 



Lipeurus confidens Kellogg. 



densus Kellogg. 

 Eurymetopus brevis Dufour. 

 Diomedea albatrus. 



Nirmtis giganticola Kellogg. 

 Lipeurus concinnus Kellogg and Chapman. 

 diversus Kellogg (stragglers?). 

 densus Kellogg. 

 ferox Giebel. 

 Oiebelia onirabilis Kellogg. (Straggler!) 

 Eurymetopus brevis Dufour. 

 Colpocephalum pingue Kellogg. 

 Menopon irrumpens Kellogg and Chapman. 

 navigans Kellogg. 



