1899.] 29 



LlMNOPHILtrS EHOMBICUS, L., 1 c? • 



LiMNOPHiLtrs SCALENUS, Wallengr., 10 cj , 9 ? . My original description, made 

 from Wallengren's typical examples from the DovreAlps (<?/". Rev. and Synops., 

 SuppL, p. xxii), gives no good idea of the anterior wings as exemplified in this 

 long series from Finmark. There is nearly always a large pale anastomosal 

 space, and a distinct fenestrate spot, and there is also usually a blackish spot at 

 the pterostigma, frequently broken in two and enclosing a whitish spot ; in 

 fact, the affinity to its very near ally L. bipunctatus is brought prominently 

 forward, even in wing markings. The ? is structurally much like L. bipunc- 

 tatus. I have seen undoubted specimens of L. bipunctatus from Finland of 

 equally small size, and some of the examples of the latter from the little alpine 

 Lac de Gers in Savoy {of. Rev. and Synops., Suppl.,p. xxi) deceptively resemble 

 these exponents of L. scalenus. Dr. Chapman observed the final metamorphosis 

 of this species, which he describes in the following note : — 

 " On a little tarn high up (perhaps 1200 feet) on the Skaadavara, we one day 

 noticed a Trichopteron emerging from the pupa in considerable numbers. The pupae 

 were seen swimming on the surface of the water with some rapidity, and when they 

 reached a stone or a plant, climbed up and at once changed, the emergence and the 

 simultaneous expansion of the wings being very rapid. Tliey were all evidently in 

 a hurry, yet could submit to a certain amount of delay if not allowed to land ; 

 nevertheless, there was a limit to this, and a good many were seen that had emerged 

 on the surface, and were floating, waiting for their wings to harden, on the empty 

 pupa shells ; the wing-hardening took place rapidly, the wings being useful for flight 

 in a very few minutes." 



It will be remembered that Eaton observed the pupse of the alpine form of L. 

 bipunctatus at the Lac de Gers ; the habits of the two are evidently very similar. 



AsYNABCHUS sp. ?, 1 $ of the typical group, scarcely to be determined without 

 the <J. 



ASTNARCHUS PEODtiCTUS, Morton, 2 (? , 1 ? . This species was described i-ecently 

 from examples taken by Dr. J. Sahlberg at Mandojarvi in Finnish Lapland {cf. 

 Medd. Soc. Faun, et Flora Fennica, xxi, p. 109, 1895). The examples from 

 Bossekop are slightly smaller. The undescribed $ is generally similar to the 

 (J . The 9th dorsal segment is not unusually produced. The tubular piece, 

 viewed laterally, forms two very prominent broadly triangular obtuse valves, 

 deeply divided above and below, and enclosing a neai-ly circular opening. 



AsYNAECHUS CCENOSUS, Curt., 1 (J larger than the British form. 



Stenophylax nigeicoenis, Pict., 4 $. Also 2 <? and ? from Hammerfest. It 

 was taken by Mr. F. Walker in 1837, probably at the latter locality. 



Stenophylax stellattjs, Curt., Hammerfest, 3 <J , 2 ? . 



Apatania stigmatella, Zett., many examples. It was taken by Mr. Walker 

 at Alten. 



The following were taken by Dr. Chapman at Saeterstoen (South Norway) : — 

 Phryganea obsoleta,M.chs,ch..,2 $ . Stenophylax nigricornis, V\ct.,\ S- Apatania 

 stigmatella, Zett. (?), 1 ? . 



PLANIPENNIA. 



Hemeeobitjs neevosus, F., 1 (J . I think this is very probably H. betulinus, 

 Strom, and if so, his name would have priority. 



