416 THE ZOOLOGIST. 
suspicion, if not incredulity. Mr. Harper says (Zool., p. 3115) 
that a Cuckow’s egg was taken in Norfolk, April 5th, 1851, and 
(p. 8145) that on the 14th of the same month he saw two, one of 
which he shot. Mr. Borrer informs the editor that in a series of 
observations made in Sussex for more than twenty years, April 
6th, 1844, was the earliest day on which he noticed the Cuckow's 
appearance.” 
A Comparative Catalogue of Birds found in Europe and North 
America. By Percy Evans Frexe. Separately printed 
from the Scientific Proceedings of the Royal Dublin Society. 
Read December 15th, 1879. 
TurovucGu the courtesy of the author, we have received a copy 
of a Catalogue with this title, which bears evidence of having 
been compiled with considerable care. Unfortunately the writer 
has drawn no conclusions of any kind from the statistics which 
he has collected, and each individual reader is left to ascertain for 
himself what proportion of North-American species have found 
their way to Europe; to what particular order of birds these 
transatlantic visitors chiefly belong; by what line of route they 
probably travel; and whether their visits are more frequent 
at one season than another. Upon these and other interesting 
points we should like to have had some expression of opinion 
from Mr. Freke, who apparently has been content to act the part 
only of a gleaner, leaving it to others to thrash out and separate 
the grain from the husk. 
In connection with the subject we may take this opportunity 
of directing attention to Mr. J. Dalgleish’s “‘ List of occurrences 
of North-American Birds in Europe,” of which two parts have 
appeared in the ‘ Bulletin of the Nuttall Ornithological Club’ for 
April (pp. 65—74) and July (pp. 141—150). We have not yet 
found leisure to compare these two lists, but it would doubtless be 
desirable to do so, as well as Professor Spencer Baird’s memoir 
“On the Distribution and Migrations of North-American Birds” ~ 
(‘ Ibis,’ 1867, p. 257), before attempting to draw conclusions on 
any of the points above suggested. 
