A 



Monograph of the Land & Freshwater MoUnsca 



OF THE BEITISH FAUNA. 



This work is intended to be thoroughly exhaustive, and will fully 

 illustrate Variation, Structure, and Development. 



Information is specially requested on Testacelia and Limax. 



Co-operation is invited from all Conchologists interested in the above subject. 

 Any information or specimens illustrating the Life History— structure, develop- 

 ment, VARIATION, DISTRIBUTION, &c. — will bewelcomedand carefully acknowledged. 

 Address .-—Care of Mr. J. W, TAYLOR, Office of the Joitrnal of Conchology, 

 Hunslet New Road, Leeds. 



THE AMEBICAN NATUBALIST. 



The proprietors have associated with Professors Packard and Cope, its principal 

 editors, a number of leading scientists, whose names are a guarantee of editorial ability, 

 as Dr. C. O. Whitman (Microscopy), Prof. Henry Sewall (Physiology), Prof. C. E. 

 Bessey (Botany). Prof. O. T. Mason (Anthropology), Prof. C. V. Riley (Entomology), 

 Prof. H. Carvill Lewis (Mineralogy), and Mr. Ellis H. Yarnall (Geographical 

 Exploration). 



Yearly Subscription, 18s. 31s. 6d. will pay for two years' Subscription, 

 and 45s. for three. Single numbers, Is. 6d. 



McCALLA & STAVELY, 237—9, Dock Street, Philadelphia. 



English Agents :—TRUBNER d Co., 67 & 69, Ludgate Hill LONDON. 



New Series, Permanently Enlarged ; Price 4/- Per Annum, Post Free. 



THE NATURALIST, 



A Monthly Journal of Natural History for the North of England, 



conducted by 



Wm. DENISO^ EOEBUCK, T.L.S., & Wm. EAGLE CLAEKE, P.L.S., 



The scope of the journal is the elucidation of the natural history, geology, and 

 physical features of the ten Northern Counties of England. 



The earljr numbers will include, among other mutter, the following articles :— The SpuiH, and 



its Natural History, by John Cordeaux ; Historical Notes on Teesdale Botany, J. Back- 

 house ; Deposit of Lacustrtae Marl near Settle, Prof. G. A. Lebour, M.A., F.G.S. ; Marine 

 Mollusca of Yorkshire Coast, Rev. w. c. Hey, M.A. ; Coleoptera of Liverpool District, 

 J. W. Ellis ; New Variety of Melampyrum Pratense, G. C. Druce, F.L.S. ; Merlins and 

 their Training, H. T. Archer ; The Seven Sleepers in Ma^nx Tradition, J. M. Jeffcott ; The 

 Farne Islands in Winter, Rev. H. H Slater, M.A., F.L.S. ; Variation in Lepidoptera, 



W. F. de V. Kane, M.A., M.R.I. A. ; The Ornithology of the Solway, J. J. Armistead. 

 All Comnumications to be addressed to the Editors, 9, Commercial Buildings, Parle Row, Leeds. 



CR QnU/fPOV ^^' ^^^-^"^ RUSSELL ST., LONDON, 

 B 0> OU fV LIlD I J names and arranges Specimens and Collections 

 of SHELLS, for Public and Private Museums; supplies Desiderata and 

 entire Collections from a large and valuable Stock, which is constantly 

 being replenished by novelties from various parts of the World. 



Price Lists on Application. Specimens sent for Selection. 



