Insects. 5781 



Philopotamus Scopulorum, Id. p. 169, P. variegalus and P. mon- 

 tanus, p. 170 = P. variegalus of Pictet. 



Hydro-psyche atomaria, Id. p. 171 = H. atomaria of Pictet. 



Hydropsyche tenuicornis, Id. p. 171, and H. pellucida, p. 172 = 

 H. tenuicornis of Pictet. 



Hydropsyche guttata and H. lanceolata, Id. p. 173 = H. cinerea 

 of Pictet. 



Hydropsyche hibernica, Id. p. 173 = H. laeta of Pictet. 



Hydropsyche angustipennis — H. variabilis of Pictet. 



Hydropsyche fulvipes = Id. p. 174, is a new species. 



Hydropsyche angustala = Rhyacophila vulgaris, mentioned above. 



Cyrnus unipunctatus, Id. p. 175, and C. pulchellus together con- 

 stitute a new species. 



Cyrnus urbanus is also a new species. 



Cyrnus unicolor, Id. p. 176. Of this there is no example. 



Polycentropus subpunctatus, Id. p. 177, P. picicornis, P. pyrrho- 

 ceras, P. fuliginosus, P. irroratus, p. 178, and P. multiguttatus, are all 

 new species. P. concinnus is identical with P. fuliginosus, and P. 

 trimaculatus with P. subpunctatus. 



Aphelocheira flavomaculata, Id. p. 179, is a new species; but no 

 example exists of A. subaurata, Id. p. 180. 



Brachycentrus subnubilus, Id. p. 182, is a new species, the female 

 = Pogonostoma vernum of Rambur, the Hydronautia maculata of 

 Kolenati. 



Brachycentrus concolor and B. costalis are males of B. subnubilus. 



Potamaria analis, Id. p. 183, P. assimilis and P. hyalina are females 

 of Sericostoma collare of Schr. and Sericostoma Spencii, Id. p. 184, 

 is the male of the same insect. Analis is the variety multiguttatum 

 of Pictet and hyalina has the wings much rubbed. 



Notidobia atrata, Id. p. 186 = ciliaris, L. 



Silo pallipes = S. (Trichostoma) picicornis of Pictet. 



Goera pilosa, Id. p. 187 = the female of G. (Trichostoma) capil- 

 lata of Pictet, and G. flavipes is the male of the same insect. 



G. vulgata, Id. p. 188 = Silo (Trichostoma) fuscicorne of Pictet, 



G. irrorata is described after Mr. Curtis. 



Mormonia nigromaculata, Id. p. 189, is a new species, = the female 

 of Lepidostoma squamulosum of Rambur, and is perhaps the P. hirta, 

 F. M. hirta and M. immaculata are males of the same species. 



Mormonia minor is a new species. 



Chimarra marginata, Id. p. 191 = C. marginata, L. 



