PS 1 CHE. 



C(jleopteia are vential, in Hymeuoptera 

 dorsal, and in Hemiptera both dorsal 

 and ventral. 



Not only lias this method been found 

 to answer every purpose (both as to 

 utility, and beauty also — if neatly done) 

 in connection with the preservation and 

 study of material in Coleoptera, Hemip- 

 tera, and Hymenoptera, but it is a far 

 more rapid method for the minute 

 things than any other, and American 

 workers have no time to waste. I 

 would like to ask why this method can- 

 not be used for Micro-diptera? I can 

 see nothing to be gained by adhering to 

 the old methods of pinning, that in 

 which the cork and pith blocks are 

 used requiring the expenditure of too 

 great an amount of time. Up to a very 

 recent date most dipterists have insisted 

 that it was absolutely necessary to pin 

 all Diptera, yet in no case at hand can 

 I find a good reason given. On the 

 contrary one of our best dipterists 

 lately informed me that in future he 

 wished the micros all mounted on slips. 



1 use the moderately thin shellac glue 

 and have had no trouble with specimens 

 falling oft". On the other hand, speci- 

 mens on the little pins in pith often 

 come loose and swing about, standing 

 at all angles and ruining the appearance 

 of the collection. Not only is there a 

 great saving of time in mounting on 

 slips, but there is far less injury to the 

 specimen than in pinning, and it is 

 much more readily manipulated under 

 the microscope. I have used this method 

 in my own collection for some time and 

 think myself justified in recommending 

 it to American collectors, though it 

 would undoubtedly horrify our patient 

 and long-suftering European bretliren. 

 Many of us would be very glad to hear 

 from the dipterists regarding this matter. 

 However, before any definite opinion is 

 rendered, specimens correctly mounted 

 by this method should be carefully exam- 

 ined. I will gladly loan such specimens 

 from my own collection to anj' one will- 

 ing to pay postage on same. 



NOTES ON NEW ENGLAND ACRIDIDAE.— III. OEDIPODINAE.— IV. 



BY ALBERT P. MORSE, WELLESLEV, MASS. 



12. Chortophaga Sauss. Locusta (Tragocephala) virid/fas- 



Chortophaga Saussure 18S4. Pro- data. Harris, 181. 



dromus Oedipodiorum, 43, 72. Locusta (Tragocephala) iiifuscata. 



Harris, 1S2. 



iS. Chortophaga viridifasciataDeG. Locusta {Tragocephala) radiata. 



Figs. iS, iSa. Harris, 183. 



Acrydiunt viridifasciatuin. De- Tragocephala hifiiscata. Scudder, 



Geer, Memoires d. Ins., iii, 49S, pi. 461 ; Thomas, 102. 



42, fig. 6 (1773) . Tragocephala viridifasciata. Scud- 



