288 Hersey, The Black-throated Loon in N. A. [ais 
Iowa: Dr. R. M. Anderson records (Proce. Davenport Acad. 
Sci., Vol. XI) three specimens of this loon from Iowa. One was, 
at that time, in the collection of the State University at Iowa 
’ City (No. 10175). Regarding this bird Prof. Dayton Stoner writes, 
“T am sorry to report that I am unable to find any specimen of 
Gavia arctica in our collections.”” The two remaining records are 
of birds reported by Mr. H. J. Giddings. One of these is said to 
have been identified by Dr. C. Hart Merriam and is still in Mr. 
Giddings’ possession. Dr. Merriam has written us that he does 
not now recall this bird but a memorandum he has, which was 
made in connection with the examination of this specimen, states 
that all United States records are pacifica. Mr. Giddings states 
in a recent letter that the bill of this bird measures 2.15 inches 
from which it seems evident that it is a Pacific Loon. 
In a recent letter Dr. Anderson says, “I have no doubt personally 
that either Gavia arctica or Gavia pacifica occurs occasionally as 
stragglers or accidentally in Iowa. From what I have learned in 
the last few years, however, I am inclined to think the bird would 
be pacifica.” 
Nebraska: Regarding supposed records from this State Prof. 
Myron H. Swenk writes (January 27, 1917), “I think you will 
find that all of the several records of this species depend back on 
the record published in the ‘Birds of Nebraska (1904)’ from 
Curtis, Nebraska, in the Rees Heaton collection. This bird is in 
immature plumage and resembles in size and the broad edgings of 
the back feathers immature specimens of the black-throated loon, 
but a careful study I made of it a couple of years ago convinced 
me that it was really referable to the common loon. Fortunately, 
a little later Mr. H. C. Oberholser was visiting me at Lincoln and 
examined this specimen carefully, with the result that he pro- 
nounced it the common loon. We have accordingly stricken the 
black-throated loon from the Nebraska list, since this was the only 
specimen even supposed to be that Spenies which has been taken 
in the state.” 
Colorado: All definite records from this State are from the vicinity 
of Colorado Springs. C. E. Aiken reported five birds taken, 
although apparently but one was preserved. This bird is in the 
Aiken collection at the Colorado College. Mr. Edward R. Warren 
