AD VEETIS EMENTS. 



EXCHANGE. 



Desiderata— L sinapis, M. athalia, cinxia, A. lathonia, E. cassiopc, T. rubi, pruni, 

 Z betidce, L. adonis, argiolus, avion, N. lucinus, S. paniscns, H. comma, and females only 

 of A cardamines, A, aglaia, S. megcera, H. semele, E. tithonus, L. cegon. I will make a 

 good return. — John E. Robson, Hartlepool. 



Good skins of the Black-headed Gull, Heron Gull, and Guillemot, to exchange for 

 inland birds, in the flesh or good skins. — James Dixon, Alliance Street, Hartlepool. 



Duplicates — Agrotis Ashrvorthii and lucernea, GelecMa lintiginosella and Anersia 

 genistce (all bred) , Peronea permutana and JEcophora grandis, Ceemiostoma Waisella, &c. 

 Letters replied to in three days if acceptable. — C. S. Gregson, Liverpool. 



Duplicates. — Velleda, Jwctus, rumicis, impura, stHgilis, arcuosa,plecta, brunnca, hiei- 

 para, nebulosa, margarttata, alchemillata, albulata, ocellata, sociata, propugnata, immanata, 

 populata, pyraliata, mensnraria, grisealis, stagnalis, lutealis, cembrcealis pratellm, tristeU 

 lus, pascuellus, margaretellus, schulziana, &c, &c. Desiderata— JPaphia, athalia, cinxia, 

 sibylla, cassiope, egeria, quereus, W-album, betulce, wgon, paniscns, act&om, UUce % and 

 many other species —John Mackay, 78, Gloucester Street, Kingston, Glasgow. 



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Recent numbers contain, among others, the following Articles: — The Lepidopterous 

 Fauna of Lancashire and Cheshire — John W. Ellis, L.R.C.P. ; Bibliography of North of 

 England, papers for 1884 ; Strasbruger's New Investigations on the Process of Fertilization 

 in Phanerogams. — Trios. Hick, B.A., B.Sc. ; Merlins and their Training — H. T. Archer ; 

 Ornithology of Upper Coquetdale — John Cordeaux and Abel Chapman ; On a Mega- 

 lichthys from the Yorkshire Coal-field (Illustrated)— Prof. L. C. Miall, F.L.S., F.C.S. ; 

 The Marine Shells of Yorkshire — Rev. W. C. Hey, M.A. ; Additions to the Wensleydale 

 Flora. — F. Arnold Lees, F.L.S. ; Micro-palaeontology of the Northern Carboniferous 

 Shales — Geo. R. Vine. 



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