2S [February, 



furmis, and others, suggesting greater shelter aud warmth than at 

 Bossekop. Probably these also occur at Bossekop, but were not 

 abundant enough to come under our notice. 



We did not make so complete observations as we could have 

 wished on the effect of continuous daylight on the times of flight of 

 different insects. As regards the butterflies, the weather was too 

 dull to give us reasonable opportunity to come to any definite con- 

 clusion ; but a bright warm morning at Bossekop induced the butterflies 

 in the immediate vicinity to fly as early as S a.m., and to fly freely by 

 9 a.m. ; these were : Erebia Medusa, Polyommatus Phlceas, Argywiis 

 Pales, Pamphila comma, Ltjccena Optilete ; on the other hand, a day 

 dull aud overcast till 4 or 5 p.m., and then brilliantly fine, did not 

 result in many butterflies being then seen on the wing. Amongst 

 moths different species had their special times of flight. Melanippe 

 liastata was on the wing at all hours. Pachnohia hyperhorea often 

 flew at 4 or 5 in the afternoon, and at the same time Cidaria ahrasaria 

 flew freely ; but it was not till 7 or 8 p.m. that most species of moths 

 began to fly. We did not sugar or go mothing at " midnight," as we 

 ought to have done, to the considerable increase of our list of species, 

 but we concluded that the hours of flight of different species, both of 

 butterflies and moths, varied very little from those natural to them in 

 the south, notwithstanding the continuous day, 



Betula, Reigate : 



October, 1898. 



TRICSOPTERA, PLANIPENNIA, AND PSEUDO-NEUROPTERA, 



COLLECTED IN FINMARK 



IN 1898 BY DR. T. A. CHAPMAN AND MR. R. W. LLOYD. 



BY ROBERT McLACHLAN, F.R.S., &c. 



The graphic description of his journey already given by Dr, 

 Chapman {of. ante pp. 20 — 28), is sufiicient general introduction to 

 this short article. The results obtained were so interesting as to make 

 it a matter of regret that a trained Neuropterist was not of the party. 

 Where no locality is given the specimens were from Bossekop (lat, 

 69° 50' N.). A few are indicated from Hammerfest (lat. 70° 40' N.), 

 taken by Mr. Lloyd. 



I have also mentioned the species taken by Dr. Chapman at 

 Saeterstoen (South Norway, lat. G0° 12' N.). All were kindly pre- 

 sented to me. 



TRICHOPTERA. 



Pheyganea obsoleta, McLach., 1 $ at Hammerfest. 



