438 NATURAL HISTORY MISCELLANY. 
“ This species breeds in the fur countries, rape selecting inacces- 
sible places in the neighborhood of waterfalls.” From the above it 
it would seem that this bird only breeds in mths countries far to the 
New Found Harbor, in Indian River, Florida. They lay their eggs 
about the middle of May on the bare sand, making no nest whatso- 
ever. — CHARLES H. Nauman, Lancaster, Pa. 
GENERIC AND Speciric Names.—The scientific name of an animal 
or plant consists of mn names, the generic and specific, which are 
m 
name of the Lion, is Felis leo Linn. Felis is the name of the genus, 
and leo is the name of the species. Linn. stands for Linneus, being 
either the founder of the entire name, or the first one to describe the 
species scientifically. So also with the name Helix albolabris Say. Mr. 
Say was the first author to describe our common ee Snail 
belonging to the genus Helix, and species albolabri. 
ANALOGY AND Homotoey. — Anal is a resemblance in function 
ofabird. In this sense must be understood the comparison made by 
Oken, between the pupa, or chrysalis, of an insect, and a crustacean, 
such as the Shrimp. The resemblance is vague, but yet sufficiently 
apparent to many to enable the two things to be thus compared. 
ent. Thus the arm of man and a bird’s wing are said to be homolo- 
gous, since their anatomical To is fundamentally the same, 
though their uses are so differe 
THE AQUARIUM. —In the matter of cementing aquaria, I have had 
considerable experience. I have always found white lead of any kind 
bad. Isent to England and paid a good price for a “secret” cement 
of one of the leading dealers, but found it useless, as it contained 
white lead or litharge. The best cement is applied hot. Marine glue, 
when it can be got, would answer capitally ; but I have found a mix- 
: pre 
bottom. 
be scrubbed with sand internally, as is sometimes desirable. By far 
the best aquaria I ever saw were made by the well-known come 
C. E. Hammett, of Newport, R. I.— A. M. Epwakrps, New York 
