650 General Notes. (July, 
in the Telephoridz. The method was alike in a number of exam- 
ples, the attraction of the female was perfect, and through it I 
captured eleven males, 
e light occurs most intense on the cross margins of the 
dorsal plates, but the luminosity is also strong on all the margins 
as well as along the lateral edges. Sometimes the insect appears 
checkered by being banded with phosphorescence. 
The eleven males attracted were not all of the form known as 
Z.riversi Horn; some represent the Z. piciventris Lec. These 
facts will cause some revision of the genus. 
The foregoing statements can hardly be considered as a perfect 
history of this peculiar insect, because there are many points not 
yet worked out. : 
Why the larva should be luminous, and yet have nothing to 
attract, and why the adult 9 should be luminous, while the ġ 1$ 
not nocturnal, but roams in the sunlight, are still unanswered 
questions. The habit of the male is to appear on the wing, if 
temperate heat, from 9 A.M. to 4 P. M., but during the hottest 
weather it does not appear until the sun is declining. 
en what are the differences in the larval form of the sexes, 
character that only comes into use when the habi 
But it must be considered that the plumose antenne of e 
K would indicate that it seeks its mate by scent.—/. J. Rivers, 
RA of Cal., Berkeley, Cal. 
© HISTORY oF THE Burraro Gnat.—The report of the U. a 
_ mologist for 1884 contained an article on the subject of the 
ern buffalo gnat (Simulium sp. or spp.) which discussed te >and 
damage done to stock each year along the Lower eper 
the habits of the allied species in this country and in ae 
_ At that time the particular species concerned had o% 
termined nor had the larvæ and pupæ been pea similar to 
those of allied species, but as the species that had been stu pat 
breed, as a rule, in streams that are clear, rapid and rocky, It the 
Unio 
has therefe 
af Sere and Mr. 
