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TRA NSA C TIONS of the YORKSHIRE NA JURA LIS TS' UNION, 



PARTS V. AND VI. have lately been published, and contain the " List of 

 Yorkshire Lepidoptera" by Mr. G-eo. T. Porritt, F.L.S., the continuation of 

 Nelson and Taylor's "Annotated List of Yorkshire Land and Fresh- water 

 Mollusca (Dreissena, Neritina, Paludina, Bythinia, and Valvata)," the conclusion 

 of Bairstow, Roebuck, and Wilson's third list of "Yorkshire Hymenoptera, " 

 and the Reports on "Yorkshire Botany" by Messrs. W. "West and F. Arnold 

 Lees, F.L.S. [with plate of Carex saxumbra]. 



The jDrevious Pai'ts may be had at the following j^rices : — 



Parti ... 1877 .. 2/6 to Members, 3/3 to Public. 



2 ... 1878 ... 21- 2/6 



3 ... „ ... 1/6 „ 2/- „ 



4 ... 1879 ... 2/3 „ 3/- 



The Transactions are supplied to Members of the Yorkshire Naturalists' Union 

 in return for the subscription of 5s. or upwards per annum. Members are also 

 entitled to all excursion programmes and other privileges. Applications for 

 membership may be sent to 



^Y. Denison Roebuck, Sunny Bank, s 



Leeds, \^Hon, 

 Wm. Eagle Clarke, i Sees, 



5, East View, Hyde Park Road, Leeds, ' 



