104 PROCEEDINGS OF THE 



Mr James Lumsden, F.Z.S., exhibited a specimen of the Black 

 Tern, Sterna fissipes, Linn., which had been obtained in Possil 

 Marsh in the beginning of October, and remarked that it was an 

 immature specimen, being evidently a bird of this year. The 

 Black Tern is rare in the West of Scotland ; and although more 

 frequently observed in the east, it cannot be called common in 

 any part of the country, while, so far as is known, no authentic 

 instance of its breeding in Scotland is on record. In England it 

 still breeds in some of the eastern counties, but not in such 

 numbers as it did at one time. In Ireland it is now and then 

 observed, but only as a straggler, and, as in other places where it 

 occurs in the same way, most of the specimens obtained have 

 been in immature plumage. Mr H. Saunders, in his recent paper 

 read before the Zoological Society of London (P.Z.S., 1876, p. 643), 

 gives the distribution of this species as "found throughout Europe, 

 Palestine, and North Africa to the Nile; to South Africa it 

 appears to go only as a winter and somewhat rare visitant." 



Mr Peter Cameron exhibited a number of new or little known 

 British Hymenoptera, these being — 1. Nematus ivestermanni, 

 Thorns., a species very like, and perhaps only a variety of, N. vesicator, 

 found among osiers on the banks of the Severn, below Gloucester. 

 It is stated to be a gall maker by Thomson, but no precise details 

 of its habits have been published. 2. Nematus vesicator, Bremi., 

 which had been bred from large bladder- shaped galls found in 

 Rannoch last year. 3. Nematus longiserra, Thoms., a species very 

 like N'. histrio, St. Farg., but differing in having the last abdominal 

 segment considerably produced. It was bred from larvae found 

 in Inverness-shire, which had been collected in the belief that 

 they were those of N. histrio, so that the larva of longiserra cannot 

 differ much from tliat of the other. 4. Blennocamim hipimctata, 

 Klug, from Kingussie. This species has been recorded by 

 Stephens as British, but in error, so that the capture of the 

 species in Scotland enables it to be re-introduced as a native of 

 Britain. 5. Blennocamjja Uneolata, Klug ; like the last, this species 

 was erroneously introduced as British by Stephens. It has, how- 

 ever, been bred by Mr J. E. Fletcher of Worcester, so that it is 

 truly British. 6. Pentacrita nigra, Thorns., found at Dairy during 

 the excursion of the Society to that place in August last. 7. Tori/- 

 mi(s hihernans, Mayr, bred from the galls of Neuroter^is lenticidaris, 

 from Cadder Wilderness. There were also shown the undescribed 



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