iv. THE JOURNAL OF MALACOLOGY. 



Tor Sa.lG, Purchase, of Exchancfc 



APPLY TO 



G. B. SOWERBY, F ' ^ 



As well as many rare and costly treasures, jd. S. has an 

 immense stock of Shells, from which he is a" lys ready to 

 supply the desiderata of Collectors of limited means, at very 

 low prices. 



Selections may be made on the Premises or sent on approval. 



121, FULHAM ROAD, LONDON, S.W. 



(Near South Kensington Station). 



Histology and Practical Microscopy. 



In Practical Microscopy including the Methods of Preparation, Hardening 

 of Tissues, Section Cutting, Staining and Mounting of all subjects in con- 

 nection with the stud)' of Zoological and Botanical Morphology and 

 Physiology are given bv 



ail«. 3IARTIIV J. COLE, 

 Demonstrator of Histology and Microscopy at the Birkbeck Institution. 



TERMS (payable in advance) T\VO GUINEAS for SIX LESSONS. 

 Materials and use of Instruments included. For particulars address — 



Lonsdale Chambers, 27, Chancery Lane. 

 Specimens prepared and mounted from any special Material. 



The Essex Naturalist 



(Ileins tlie Journal of tlie ICs.sex ITielcl Clulo). 



Edited by William Cole, F.L.S., Hon. Secretary. 



The Essex Naturalist is devoted to the publication of 

 Papers and Notes bearing upon the Natural History, Geology, 

 and Archaeology of Essex. 



Free to INIembers of the Club (Subscription 15/'-), and 

 published separately at about 9/- per annum. 



Address — " The Editor," Buckhurst Hill, Essex. 



THE IRISH NATURALIST. 



A Monthly Journal of General Irish. Natural History. 



edited by 

 GEORGE H. CARPENTER, B.Sc,. 



AND 



R. LLOYD PRAEGER, B.A., MR. I. A. 



Contains Articles and Notes on the Geology, Flora, and Fauna of Ireland. 



Vol. I. (1892), price 3s. 6d., includes "The Irish Land and Freshwater 

 MoUusca," by Dr R. F. Scharff. Subsequent volumes, price 5s each. 



The current volume will be sent in monthly parts to any address for 5s. 



Subscriptions should be sent to the Publishers, Messrs. Eason & Son, 

 40, Lower Sackville Street, Dublin. 



Printed for the Proprietor by John Dutton, County Printing VVorics, Chelmsford. 



