248 PROCEEDINGS OF THE 



COMMON TEEN. 



STERNA FLUVIATILIS, Naum. 133. 



AND 



AECTIC TERN. 



STERNA MACRURA, Naum. 133. 



My former statement, that the Arctic Tern is of more frequent 

 occurrence in Sutherland than the Common, is queried by Mr 

 Mackenzie ; and he adds that, in his experience, the reverse is the 

 case. 



LITTLE TERN. 



STERNA Ml NUT A, L. 133. 



This can now be definitely added to the list of birds breeding 

 in Sutherland, as the collection at Dunrobin contains eggs taken 

 in the east of the county. 



IIL — A contribution to the HymenojJtera of . Sutherlandshire. 



By Mr Peter Cameron. 



I have again the pleasure of bringing before the Society the 

 results of my exploration of the Hymenoptera of the Highlands, 

 in continuation of my two former papers, published in the last two 

 Parts of our Proceedings, This time I proceeded further north, 

 viz., into Sutherlandshire. Knowing from experience that a well 

 wooded district would yield the best results, I chose Bonar Bridge, 

 on tlie Dornoch Firth, as my head-quarters, not only because the 

 country around there is better cultivated and wooded than elsewhere, 

 but also from the facilities it afforded of making excursions north- 

 ward, as well as southward into the neighbouring county of Ross. 

 I reached the village on the 1 5th June, but that for the late season was 

 rather too early; for even then insects whose normal time of 

 appearing is May, were just beginning to put in an appear- 

 ance, and the more common species, which can usually be had 

 everywhere in abundance, were remarkably scarce. This, how- 

 ever, was not the fault of the country, but of the extremely bad 

 season. It is many years since we have had such an unfLXVourable 

 season for Entomology; for not only were insects scarce when one 



