October— December, 1884.] 



PSYCHE. 



225 



Mr. S : H. Scudder showed fossil specimens 

 and figures of Aiithracomartin, to illustrate 

 the remarks which he had made at the last 

 meeting. 



Dr. G : DiTiimock showed samples of the 

 different grades of Central American cochin- 

 eal, carmin of commerce, carminic acid and 

 some of its salts. 



Mr. S: H. Scudder exhibited some litlio- 

 graphic work and wood-cuts for comparison 

 of methods of depicting fossil insects. 



Mr. S: H. Scudder reviewed Part i of A. 

 E. Eaton's "A revisional monograph of re- 

 cent rp//e>ncii'(ftit'" (Trans. Linn. soc. Lond.. 

 Zcol.. s. 2. V. 5. p. 1-77. pi. i-:;4). 



II April 1SS4. — The loist meeting was 

 held at 61 Sacramento St.. Cambridge, 11 

 .\pril 1SS4. In the absence of the president. 

 Mr. T. W : Harris was chosen chairman. 



Mr. H. Hinkley showed several insects, 

 among them a larva, jirohabh' that of Eiirro- 

 nia imiia. 



Dr. (i : Dimmock showed specimens of 

 several curious insects. Among them was 

 a Culcx with a parasitic nematod {? Gor- 

 i/i'tis) dissected from its abdomen. The spec- 

 imen was taken near Leipzig, Germany. 

 The parasite was very large, relatively to the 

 size of the Cu/cx- No pai-asitic worms had 

 been previously recorded from Ciilex, except 

 Filariu sa>ii(iunis-hominis. allho Alernih had 

 been found in Shmilium reptans^ in Tanypns 

 nebulo^u$^x\i\ in a species of Chironomus^ and 

 Gordius had been taken from Chironomits 

 phi moults. 



9 M.w 1SS4. — The io;nd meeting was 

 held at 19 Brattle St., Cambridge. 9 Mav 

 1SS4, the president. Mr. S: H. .Scudder. in the 

 chair. 



The secretary announced that Dr. C: E. 

 Webster had removed his residence to Chica- 

 go, 111., and had sent notice of withdrawal 

 from membership in the club, to take etfect 

 at end of 1SS4. The secretary read a state- 

 ment, from the treasurer, of the financial 

 condition of the club on i May 1S84. 



Mr. S: H. Scudder made some remarks 



concerning the late Dr. J : L. LeConte, who 

 was an associate member of the club. 



Dr. G: Dimmock mentioned certain habits 

 of Corixa and Notonecta, a fuller account of 

 which will be published later. 



13 June 1SS4. — The 103rd meeting of the 

 club was held at 19 Brattle St., Cambridge, 

 13 June 1884. the president, Mr. S. H : Scudder 

 in the chair. 



The secretary announced the death of Mr. 

 Francis Gregory Sanborn, an associate 

 member of the club, who died 4 June 18S4, at 

 Providence, R. I. Mr. Sanborn was born 18 

 Jan. 1S38, at Andover, Mass. 



Mr. S : II. Scudder showed a portrait of the 

 late Dr. J: L. LeConte. 



Mr. S ; H. Scudder gave the results of his 

 studies upon the "Arachnidae of paleozoic 

 formations." Numerous figures and speci- 

 mens of fossils were shown. \_Sce Proc. 

 Amer. acad. arts and sci., 1SS4. '^' ■ -°' P- '3" 



Dr. G : Dimmock explained an apparatus 

 by which he was enabled to rear insects in 

 gases of diftei-ent kinds or in detei-minate pro- 

 portions of gases and air. 



Dr. G: Dimmock described the way in 

 which the red mites that were so abundant 

 about Cambridge this year produced the fine, 

 light colored lines upon leaves of clover, 

 grass and other plants. Leaves which had 

 been marked by these mites were shown. 



Mr. R. Hayward stated that an Ojitho- 

 plidgus. which he had for some time supposed 

 to be a new American species proved to be O. 

 luteicoriih from Europe. 



loOcT. 1SS4. — The 104th meeting was held 

 at 61 Sacramento St., Cambridge, 10 Oct. 

 ■ 18S4. The meeting was called to order at 

 S p. m. In the absence of the president, Mr. 

 R. Havward was chosen chairman. 



The secretary announced the withdrawal 

 from the club of Mr. F. C Bowditch. of 

 Brookline, Mass. 



Dr. H. A. Hagen made some inquiries in 

 regard to the condition and accessibility of 

 the librarv of the Club, and offered some 



