vi Contents. 



I'AUK 



XL On the Origin and Distribution of the British Flora ; with 

 an Appendix on the River-basins of Essex as Natural- 

 History Provinces. By Professor G. S. Boulgek, F.L.S., 

 F.G.S. (With a Plate.) 69 



XII. On the Land and Fresh-water Mollusca of the District 

 around Colchester : A Contribution towards a List of the 

 Fauna of Essex. By Henry Laver, M.E.C.S., F.L.S. . . 88 



XIII. The Galls of Essex : A Contribution to a List of the Insect 



Fauna of the County. By Edward A. Fitch, F.L.S. , 

 Secretary to the Entomological Society. (With 50 wood- 

 cuts.) 98 



XIV. The Mammalia of Essex : A Contribution towards a List of 



the Fauna of the County. By Hexry Laver, M.R.C.S., 

 F.L.S. lo7 



XV. A Preliminary List of the Hymenomycetal Fungi of Epping 

 Forest: A Contribution to the Botany of the County. By 

 M. C. Cooke, M.A., LL.D., A.L.S., and James L. English. 181 



XVI. The Presidential Address. Delivered by Raphael Meldola, 

 F.R.A.S., F.C.S., at the Annual Meeting, January 28th, 

 1882 192 



Journal of Proceedings at Ordinary, Field, and other 

 Meetings i — Ixxxviii 



Index to Journal of Proceedings Ixxxix 



Errata xcii 



Appendix. — Report of the Council and Balance Sheet for 

 1881, Catalogue of the Library, List of Members, dire. 



