380 The American Naturalist. [April, 
their assistance he found the missing bird buried in the snow and fast- 
ened down to the ground by his tail, which was frozen in a pool of 
water. A few hours after his release the peacock had perfectly recov- 
ered. (Revue Scientifique, Fev., 1895). 
Zoological News.—A study of the Crista of the large intertropi- 
cal Trombidiums (T. tinctorium, ete.) leads Dr. Trouessart to the con- 
clusion that the organ in question is not only an organ of hearing, but 
that it is also the remnant of the median anterior eye, now atrophied. 
This example of organs of different senses joined together by growth - 
is unique among Arthropods, although there are cases among certain 
insects where antennae are found inserted near the centre of the eyes. 
(Bull. Soc. Entomol., Paris, 1894). 
In Chapman’s “ Guide to a Collection of Birds found within 50 
miles of New York City,” it is stated that 348 species are known with- 
in that radius, and these are classified as follows: Permanent resi- 
dents 35; summer residents 92 ; winter residents 36 ; summer visitants 
18; winter visitants 16 ; regular transient visitants 82, irregular 30 ; 
accidental 39. The collection belongs to the American Museum of 
Natural History. 
