( 9 ) 



A Neio and Revised Edition, illustrated by 53 Plates and numm'ous Woodcuts, giving 

 figures of nearly 3000 objects, medium %vo, £2 12s. 6d. 



GEIFFITH AND HENFREY'S MIOROGEAPHIC DICTIONARY. 

 A Guide to the Examination and Investigation of tlie Structure and Nature of 

 Microscopic Objects. FOUETH EDITION. Edited by J. W. Gbipfith, M.D„ &c. ; 

 assisted by the Eev. M. J. Berkeley, M.A., E.E.S., F.L.S., and T. Ex;peet Jones, 

 F.E.S., F.G.S., Professor of Geology, Sandhurst, &<j. 



JOHN VAN VOOEST, 1, Patebnosteb Eow. 



THE BRITISH MOSS FLORA. 



By E. BEAITHWAITE, M.D. 

 Part VII. is now ready, price 6s. Subscriptions (10s. 6d.) may be sent to the Author. 

 The previous Parts may be had from the Author, at 303, Clapham Road, London. 



New Edition, very much enlarged, 21s. 



HOW TO WORK WITH THE MICROSCOPE, 



BY LIONEL S. BEALE. F.R.S., 



TREASUREE AND FOEMEELT PRESIDENT OF THE EOXAL MICROSCOPICAL 80CIBTT. 



TEE FIFTB EDITION. 

 Strongly bound and enlarged to 530 pages, with 100 Plates, some of which are Coloured. 



HA-RRISOIST -A-ISTID S03SrS, :P^A-IjXi 3Vn-A.LL. 



EOYAL MICEOSCOPICAL SOCIETY. 



MEETINGS rOE 1884, at 8 p.m. 



Wednesday, JANtJAHY . . . . 9 



„ Febrttaey . . . . 13 



(A.nnual Meeting for Election of 



. Officers and Council.') 



„ March . . . . 12 



Apeil 9 



Wednesday, Mat . . 

 5, June . . 



„ October 



„ November 



„ December 



14 

 11 

 8 

 12 

 10 



THE "SOCIETY" STANDARD SCREW. 



The Council have made arrangements for a further supply of Gauges 

 and Screw-tools for the " Society " Standard Screw for Objectives. 



The price of the set (consisting of Gauge and pair of Screw-tools) is 

 128. 6(i. (post free 12s. IQd.). Applications for sets should be made to the 

 Assistant-Secretary. 



For an explanation of the intended use of the gauge, see Journal of the 

 Society, I. (1881) pp. 548-9. 



FOR SALE, A LARGE BINOCULAR MICROSCOPE, 



By Eoss, but little used. 7 Objectives, 4 in. to J^th ; complete Set of Eye-pieces, A to 

 F ; Apparatus, &o. ; in Two Mahogany Cabinets. Will be sold at less than half-cost. 



On view at Eotal Microscopical Societt's Libkaet, King's College, W.C. 



ADVERTISEMENTS FOR THE JOURNAL. 



Mr.. Charles Blencowe, of 75, Chancery Lane, W.C, is the authorised 

 Agent and Collector for Advertising Accounts on behalf of the Society. 



