2()4' * [November, 



A swarm of Trichoptera. — On September 16th T availed myself of the 

 return of the fine weather to take a stroll in the direction of the Valley of 

 the Test, and perceiving an oak witli overhang-ing- branches in the hedg-e at the 

 side of the road I bethought nie to beat them over a butterfly net, when to my 

 sui-prise I found myself surrounded by a shower of caddis flies, a dozen flying 

 out in response to every blow. These I recognised to be Limnophilus marmo- 

 ratus. — A. H. Swinton, Braishfield, Romsey, Hants : September nth, 1912. 



Notes on a few rare Biptera. — For several years past my friends, Mr. Claude 

 Morley of Monk Soham, and Mr. E. A. Atmore of King's Lynn, have allowed 

 me to see many of the Diptera taken by them. Among these are several 

 species which are so rare that I think they should be recorded. Mr. Claude 

 Morley's captures include the following: Ceroplatus lineatus, F., Monk Soham 

 (June, 1911). Only one specimen was taken, but several more were observed 

 flying rovind a decaying willow ; Sciomyza (Heteropteryx) hrevipennis, Zett., 

 Mildenhall (Jiine 8th, 1910) ; Tetanops myopina. Fin., male and female, taken 

 sitting on the bare sand at Skegness (June 7th, 1912) ; this is a very bleached 

 and strange looking fly which I believe is very rare. Of Mr. Atmore's captures 

 at King's Lynn I would mention Syntomog aster {Litophasia) fasciata, Mg., 

 King's Lynn (July, 1910). This specimen is referred to by Mr. Verrall in his 

 notes on "A Hiindred new British Diptera" (Ent. Mo. Mag., 1912, p. 192). 

 Scoliocentra villosa, Mg., King's Lynn (March 23rd, 1910, and July, 1911; 

 Bhacochlsena toxoneura, Lw., King's Lynn (June, 1908) ; Psila hicolor, Mg., 

 King's Lynn (July, 1908). These are, I think, all very scarce species. 



In Mr. Verrall's list, Thryptocera niinutissima, Zett,, is given in italics as a 

 doubtfiil British species. On sending to Mr. Wainwright one of the two 

 Guestling specimens on which Dr. Meade introduced Thryptocera niinutissima, 

 Zett., into our British List, he retiu-ned it as Craspedothrix vivipara, B. and B. 

 In the summer of 1911 I took on my dressing room window a very similar fly 

 which Mr. Wainwright tells me is Phytomyptera nitidiventris, Bond. Both of 

 these have been supposed to be Dr. Meade's Thryptocera minutissima, Zett. 

 This name must therefore now be expunged from ovir lists. Both Craspedothrix 

 vivipara, B. and B., and Phytomyptera nitidiventris, Rond., were introduced as 

 British by Mr. Wainwright in 1905 (Ent. Mo. Mag., 1905, p. 207), and hence 

 they are not inchided in Mr. Verrall's list which was published in 1901. — 

 E. N. Bloomfield, Guestling Rectory, Hastings: September 30th, 1912. 



Odonata in Perthshire. — Between July 16th and 23rd I had the opportunity 

 of collecting in two of my old localities in Perthshire — Rannoch and Glen 

 Lochay. To the former, 1 had the pleasure of accompanying Prof. Philip P. 

 Calvert, of Philadelphia, who, with Mrs. Calvert, was staying at Kinloch- 

 Rannoch for a few days. We had a fair amovint of sunshine but with a cool 

 wind, conditions imfavourable for the flight of dragon-flies, which were far 

 from abundant. As Dr. E. M. Walker points out with regard to the species of 

 Mschna found in Ontario (North American Dragon-flies of the genus JEschna, 

 p. 33), in cool bright weather these insects take very frequent and prolonged 



