162 | 
Mr. Ulke exhibited and remarked on the habits of a number of rare or new aquatic 
Coleoptera found by him the past summer in the Blue Ridge Mountains, near Mon- 
terey, Md. 
Mr. Ulke also exhibited a pale larviform female of a species of Phengodes which he 
found abundantly in the Blue Ridge Mountains, no males, however, being discov- 
ered. Thespecies was thought by Professor Riley to be Ph. laticollis, and the relative 
abundance of the males and females of Phengodes was discussed by Riley and others. 
Mr. Schwarz exhibited specimens of Emphylus americanus taken by H. G. Hubbard 
and himself in a colony of Formica sanguinea near Alto, Utah, at an elevation of 
about 9,000 feet. 
Mr. Ashmead read a paper on the peculiar Chalcid genus Melitobia Westw., in 
which he discussed (1) its synonymy with Anthophorabia Newport, concluding that 
Melitobia should take precedence; (2) its structure and position in the classificatory 
system, deciding that it belongs to the subfamily Tetrastichinew and not with the 
Elachistine where it is now placed; and (3) its habits, recording the rearing of MZ. 
megachilis Pack. from Megachile centuncularis Linn.; M. pelopwi Ashm. from Pelopeus 
cementaria in Kansas by Professor Popenoe and in Florida by himself; and a new 
species which he described as WM. chalybii, bred from the cells of Chalybion coerulewm 
taken in Maryland. 
Discussed by Messrs. Howard, Theo. Gill, Riley, Schwarz, and others. 
Dr. Marx presented a paper entitled ‘Preliminary Notes on the Classification of 
the Ixodidz,” in which he discussed the views of previous authors on the classifica- 
tion of these parasites and concluded to accept with some modification the scheme of 
Koch, as follows: Order, Acari; Suborder, Cynorhastes; Tribe I, Cetocari with fam- 
ilies, Argaside and Eschatorephalide; Tribe II, Antiocari with families Hemelas- 
taride, Ixodide, and Rhipistomide. 
The paper also included generic synopses of the genera of the several families. 
The scheme differs from Koch’s in adding one new family, and suppressing one genus 
and adding three new ones. The paper was discussed by Professor Gill and others; 
Mr. Howard read a note on the ‘‘Appearance of Mealy Bugs parasitized by Lepto- 
mastix,” in which he referred to the habits of the species of this Encyrtid genus of 
Chalcid parasites and said that his attention had been recently called by Miss Sulli- 
van to the curious fact that Mealy Bugs parasitized by L. dactylopti almost entirely 
lose their waxy secretion and swell up into yellow objects closely resembling Dip- 
terous puparia, which resemblance is heightened by the fact that the parasite in is- 
suing cuts free a cap at the end of the scale just as the Dipterous insect forces off 
the end of its puparium. Discussed by Messrs. Riley, Ashmead, and Howard. 
Professor Fernow gave a report on the results in Europe of the use of the new in- 
sect lime against Psilura monacha, the use of which he stated had been a perfect suc- 
cess. He described the process of quarantining infested areas by surrounding them 
with poles which are then smeared with the lime, and also various machines used to 
apply the lime to trees. Discussed by Professor Riley and others. 
Professor Riley made remarks on ‘‘A New Herbarium Pest,” an article upon which 
is published in this number. Professor Riley gave some additional notes on Panchlora 
viridis, which are also published in this number. 5 
C. L. MARLATT, 
Recording Secretary. 
