Article beginning on page 114.
Psyche 3:114, 1880.

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CAMBRIDGE, MASS., SEW. 1880.
Cornmv'n.iWfwns, escchag~ and editws'mpid8 should be addressed ED EDITORS OF Pa~cm,CumbTUge, Mass. Communicafiona for publication in. Puyc~fi must be fnvpeshf authesitfcdted, awt no a/aonymova articles will be p~bIithwS.
fl^ifCm and ccintribnCorn we only responsible for the staSmPVttn made in their men cmimunif.tittt,us. Works on sshjwtt Mit related to mCmnfftOu# IVS.1 wit be remaned in PSYCHE.
Far rates qf KwhscriptiaK wild of advertising, we ad- @&#* Cotont'iw.
PROCEEDINGS OF SOCIETIES.
EBTOMOWGICAL CLUB OP THE AMERICAN A8UO-
' CIATIOH TOR TEE ADVAKCKMEKT OE SCIENCE. [A fuller report of the meetings of the Club will be given subsequently; the following communications have not been published else- where.]
26 Am. 1880'.-The following letter, dated CoaUmrgh, W. Va., 22 Aug. 1880, from Mr. W: H: Edwards to Mr. S: H. Scudder wm read : " . . . If you like, you may say to the lepidopter- ists of the Association, when they meet, that I hare raised a brood of Apatwajfwa from egg to imago, and the species is distinct from A. djton. I descrihedfm as ft possible variety of chyton, you remember. I hall give a plate tofwa. Also that I have raised a brood of Apdwa aficia from egg to imago, and this is distinct from A- celh's, with which you and Riley and EOW other lepidopterists had united it aa a variety, I will figure the terra of &Mi aleo.
"I have taken this summer u bi-formed Ly- c- Mglecta, one side 1, the other 9.
"I had a Papilio ajax warcdlus come from chrysalis perfect, except that there was no trace whatever of one hind wing,
'I I have two ehrysalirt~ of G&& disippus which have been on ice 80 days, and which should give imago8 in 2 or 3 day#. I hope tg find these last changed in Some direction by the cold. "I have made some important ofcaerrations on L, dtsippus and its ~upposedvarieties, but am not ready to publish them yet. The species is three brooded hem- that I have ascertained,- and it makes its perch not by means of its excrement, bat with bits of lqf chewed up in the mouth. The object of the packet of bits of leaf is not yet certain.
"T, L. Mead has been in Newfoundland the last six weeks, and sent me specimens of Coe- nonymplia ino~x~ta Edw., taken there by him; - a. butterfly that I do not think has been re ported as living within a thousand miles of that i~hnd,
"From Florida I have received examples of Pieris ilaire, 0. agart't fie, and a new Pamphih, size of P. dim, which I call P. byssw; ale0 the sphinges Owwunda noctuiformis, and Anwfyx scywa, not before attributed to North America. "Hope you will have a good time, and wish I could be of the party."
Mr. A: B. Gcote said that Mr. Edwards had also received IKdasys Mae and Dahana airilien- nia, two rare syguenidae, from Florida.
Am. 1880.-The following letter, dated
Carbondale, III., 18 Aug. 1880, from Prof. Cyrus Thomas to Mr. 8: H. Scudder, was read : " . . . My investigations, during the past and present year, in reference to the migrations of GaSoptenua ap- tvs, have brought to light facts ~fhich indicate that, alter all, the opinion you and I formerly held in regard to their morementa is not BO far wrong as has been ~upposed- While it is probft- Me that in mme instances warms sweepdown from British America and Montantt in a single season to Nebraska and Kansas, a careful study of their history in Dakota indicates that they usually move by succeasiire waves (generations). This theory is alsothe only one that will conform to the meteorological conditions in 1886, 1874, and 1876. I am also of the opinion now that Minnesota may ultimately be freed from them, if -the Cotenu of the Prairies can be clothedwith trees, and the lakes are preserved so that the water ~urface remains the same k it is now. I cannot give my reasons for this opinion in a. let- ter, but have written them oat rather briefly for Governor Pillabury of Mmnesota. They will also be given in our Third Report. , . !'




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