Article beginning on page 114.
Psyche 4:114, 1883.

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114 PSYCHE. [November-December 1SS3.
After giving records of numerous
other cases he further adds :
"To Dr. Lesbini, of Cbrdoba, are due
the better observations upon cases of
myiasis produced by C. macellaria.
The first case presented itself in an old foreigner who had an ulcer in his leg
filled with these larvae ; the second case occurred in Cbrdoba, in a boy of seven
years, attacked in the left ear ; the third and last case was in a girl of sixteen
years, also of C6i"doba, affected in the nasal fossae by the presence of two 11un- dred and fifty larvae : all these patients were saved."
"It is probable that, attracted by the
fetid odor of unclean individuals, these flies hover over the mouth or the nose,
and thus deposit their eggs ; some affirm that they at times enter the passages for this purpose."
"The area of distiibution of Comj-
somyia macellaria is very great, and
will be, I believe, yet greater with time, since their habits facilitate their trans- portation by man from one region to
another; hitherto they have been ob-
served in the following countries : Is-
lands of America (Musca macellaria
F. ) , N. America ( Chrysomyia tibialk
C. I'/terminicri, C. caerulescens, C.
decora C. 'plaei R.-Desv.), Mexico
(Lacilia hominivwax) , Cuba, Colom-
bia, Venezuela, Cayenne, Brazil. Peru,
Chili, Uruguay, Argentine Republic
and New Holland."
INFLUENCE OF COLOR ON INSECTS.-
The following extract from the recently
published second part of vol. I of
"Timehri," the Journal of the Royal
agricultural and commercial society
of British Guiana, so ably edited by
Mr. E. F. im Thurn, may be of interest
to our readers. It occurs in an account
of a visit to Mount Russell in Guiana,
by the editor (p. 223) :-
"That afternoon the Indians of the
place, seeing our interest in catching
butterflies, exhibited various clever
ways of entrapping these insects.
To
catch those of yellow hue, they picked
and laid on the ground the flowers of a
yellow Biffnonia (B. chicka) ; and
this proved a most successful plan.
Equally s~~ccessful were they when they
laid decaying banana-skins on the
ground to attract the large blne
Mo@hos; but an attempt to attract
certain red species by displaying the
ripe red fruit of the faroah plant (ffixa orellana) was not s~~ccessful. Then,
these nletl~ods of enticing the insects
were completed by inverting a round
quake (a wide-mouthed basket of very
open wicker-work) over the bait, taking
care to raise the quake so that its lower edge was some inches from the ground.
The butterflies, attracted by the flowers, made their way under the raised edge
of the quake, and when the Indians ap-
proached flew, not out under the edge
of the quake, but upward into the top,
where they were captured."-E. C. R..
in Entomologist's mo. mag-., June
1883, v. 20, p. 15-16.




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