Ixv 



Hymenoptera. 



The Tentliredinidse and Cjaiipidse of Scotland have received 

 much attention from Mr. P. Cameron, of Glasgow, who has 

 added " a nmnber " of new species to the British lists, including 

 monographs of the obscure and perplexing species of the genera 

 Fenusa and Cladius (Entom. Mo. Mag., Jan. 1876, and ' Scottish 

 Naturalist,' vol. iv. p. 11). In jthe second volume of the ' Trans- 

 actions of the Glasgow Society of Field Naturalists ' are also 

 interesting and valuable paj^ers on the gall-makers of the Glasgow 

 district, by Mr. Cameron. Various new species of Tenthredinidse 

 and Siricidfe (chiefly Indian) have also been described by Mr. P. 

 Cameron in our ' Transactions.' 



Mr. Trail has continued his descriptions of Scottish galls, 

 commenced in the first and second volumes of the ' Scottish 

 Naturalist,' in the fifth volume of the same work, describing the 

 galls (whether made by Cynipidse or dipterous parasites) upon 

 various species of plants which have been observed to be affected 

 by them. 



The fourth volume of C. G. Thomson's ' Scandinavian Hyme- 

 noptera,' Lund., 8vo, 192 pp., is devoted to the family Chal- 

 cididae, the sub-families Pteromalides and Eulophides being 

 reserved for a future volume. 



An elaborate monograph on the Encyrtides of Europe, bj^ Dr. 

 G. Mayr, extending to 100 pages, has appeared in the 25th 

 volume of the Vienna Verhandlungen Zool. Bot. Gesellsch. 



Dr. Snellen van Vollenhoven has commenced the publication of 

 an elaborate work upon the Linnean Ichneumons of the northern 

 part of Europe, in which he proposes to give figures of not fewer 

 than 1000 species, under the name of ' Pinacographia.' Four 

 parts have already appeared. 



Dr. Snellen van Vollenhoven has also continued his memoirs 

 on the history and transformations of the Netherlands' Tenthre- 

 dinidse in the ' Tijdschrift voor Entomologie,' in which he has 

 also given a complete list of tlie Tenthredinida3 and Ichneumo- 

 nidse, and allied families, inhabiting the Netherlands. 



Herr Eitsema has published a memoir on eight new Indian 

 species of Xylocopa in the ' Tijdschrift voor Entomologie.' 



An elaborate memoir, extending to sixty pages, 4to, on the 



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