THE CANADIAN ENTOMOLOGIST. ni 
X 
would throw some light on ‘‘ The Origin of Species ;” for although, so far 
as my knowledge goes, eggs laid by a female which had copulated with 
a male of different species-have never been fruitful, it by no means follows 
that this is universally the case ; and although with animals in a state of 
domestication, hybrids are not prolific, in a state of nature the case 
may be different. But this is beside my present purpose.—W. V.ANDREWS. 
A VarRiETy OF PIERIS Rapa) UNKNOWN IN EvurRopre.—Probably not 
a few of your readers who interest themselves in butterflies have noticed 
among the swarms of Ganoris rape occasional specimens differing remark- 
ably from the normal forms in the colour of both surfaces of the wings ; 
these, if we except the dusky markings, are of a sulphur yellow, approach- 
ing in depth of colour the wings of Æurema Lisa. 1 have had New 
England specimens for three years, and since my stay in this country 
have been endeavouring, most unsuccessfully, to find out. the European 
name of the variety, and with good reason, for to-day having had the 
pleasure of a call from Mr. H. T: Stainton, of London, I set these speci- 
mens before him, and he assured me that they have nothing of the kind 
on this continent ! 
Here then we have developed a new variety of an artificially intro- 
duced species within a very short time after its appearance in America. 
- It would be well if Mr. Bowles of Quebec, or some one in Montreal, 
could tell us the year in which this yellow form first appeared. Two of 
my specimens were taken in June and July, 1869—one by Mr. Merrill, in 
Shelbourne, N:H., the other by Prof. Hamlin, in Waterville, Me., and all 
are males. Are they confined to that sex, and the product of the later 
broods only? I propose to call the variety movanglie,—SaMUEL H. 
ScuppER, Menton, France, March 6, 1872. 
ADVERTISEMENTS. 
Exoric LEPIDOPTERA AND COLEOPTERA.—I have a large collection of 
specimens of Lepidoptera and Coleoptera from Australia, Manilla, Mexico 
and Central America, which I am now arranging for the purpose of sale, 
as I intend confining myself to Californian insects for the future. I have 
also a complete set of the Pacific Railroad Survey Reports (13 volumes), 
in excellent condition, which I shall be glad to dispose of. Apply to 
James Benrens, San Francisco, Cal. 
