294 Scientific Intelligence. 
Philadelphia. They were planted about four years ago, at 
time from some unknown cause numbers of them ied. sania 
they thrived greatly and were prized for their superior size and fine 
r 
__ After two years had elapsed, a peculiar green color was observed in the 
gills which continues; it is particularly intense and marked in the fal 
and winter when the mollusc is fat, and nearly disappears in the spring 
and summer. The color is only in the gills, the mantle bei ‘ 
may be termed a pea-green. By cooking it becomes darker; but | 
ws regularly about four inches. The same peculiar green gee 
noticed in oysters at this locality fourteen years ago, ¢ ae | 
disappeared. The same color not so strongly marked has been oe 
near Chincoteague inlet. ist [2h 
7. Humming Bird of the U. States, (Ann. and Mag. Nat. Hist) l 
Xx, 520).—Mr. Gould reg returned from a visit to the ae 
‘ 2 of studying the hab) 
or the purpose of st idying portion of the 
ina State of nature, he noticed that its actions were very obs 
quite different from those of all other birds: the flight is perfor 
®. 
Se ae ae : 
ae ee Oe. ee ee a 
ag pee 
