XXII 



HARDWICKE'S SCIENCE-GOSSIP. 



New and Interesting- Species of Shells 



From Borneo, Lake Tanganyika, and the Philippine Islands. 

 COLLECTIONS PURCHASED. SPECIMENS EXCHANGED. 

 MANUFACTURER OF GLASS - TOPPED BOXES, &c. 

 Foreign Correspondence Invited. 



HUGH FULTON, Dealer in Recent Shells, 



89, fulham road, london, s. w. 

 Mason's Lantern and Table Microscope. 



(Patent affiled for.) 



FOR SCIENCE TEACHERS, LECTURERS, 

 or PRIVATE EXHIBITIONS. The cheapest and most 

 ■effective instrument ever produced. See Science-Gossip, February 

 1891 ; English Mechanic, December 5th, 1890. Full description 

 :from R. G. MASON, Manufacturing Optician (from J. Swift), 69, 

 Clap ham Park Road . Clapham, S.W. 



MICR OSCOPE SL IDES. 



EXCEPTIONAL VALUE. SELECTED 

 Slides for entertaining friends, etc., pretty and unscientific ; 

 .also newest, rarest, and most brilliant polarising, price 5^. dozen. 

 Cash returned if not approved. 



Typical Slides for Botanical students. 



HENRY EBBAGE, FRAMLINGHAM, SUFFOLK. 



SLIDE^CABINET. 



C1XTEEN TRAYS, with RIMS and FLAPS, 



*3 covered with enamelled paper, contained in strong cloth- 

 covered wooden case. Holds 144 slides. Post-free, 4s. 6d. 

 C. H. H. WALKER, Maker of Micro. Specialities, 

 12, CHURCH STREET, L IVERPOOL. 



T~HE~ZOOLOGICAL SOCIETY'S GARDENS, 

 Regent's Park, are OPEN DAILY (except Sundays,) from 

 9 a.m. till Sunset. Admission u. ; on Mondays, 6d. ; Children 

 always 6d. 



"rOYAPbOTANIC SOCIETY'S GARDENS, 



REGENT'S PARK. 



GARDENS OPEN DAILY from 9 A.M. to Sunset. SUNDAYS 

 from 2 P.M. to Sunset. Admission by Orders from Fellows of the 

 Society only. 



jS. IiOUIS' S 



JSEI^IEjS 0E J)IlCR0gC@PIC^Ii 0BJECTJS. 



Above 70 Series of Unmounted Objects at 2s. each Series, ready 

 for mounting. Also 12 Series of Unmounted Cleaned Diatoms, at 

 3s. each, 12 tubes in each. Also above 50 Series of Mounted Slides, 

 beautifully mounted on 3 X 1 Slips. The Mounted Slides are in 

 Series of 12 for 5s. Also 15 Special Series of Mounted Slides, 6 

 in each Series, at is. each. Also the two following New Series: 



12 STARCHES. 

 Series 2.-5/-. 12 Slides. 



Ervum lens. 

 Paniciim italicum. 

 Fajjophyrum esculentum. 

 Holcus sorghus. 

 Lychnis Githago. 

 Secalc cereale. 



Panicum miliaceuin. 

 Canna coccinea. 

 Vicia sativa. 

 Lolium italicum. 

 Cicer arietinum. 

 Maranta arundinacea. 



ANATOMY OF THE TUKTlE. ( Very Thi?i 



( Very Thin Sections. 

 Special Series, No. 1G.-4/-. 6 Slides. 



Kidney. 

 Liver. 



Heart. 

 Lung. 



Small Intestii 

 Skin. 



Only to be tried once to be always used. 



Sole Agent: Wm. WEST, 15, Horton Lane, Bradford. 



Sknd Stamp f or Catalogue of 40 Pages. 



TO MUSEUMS AND PRIVATE COLLECTORS. 



W. K. MANN, NATURALIST, 



(Established 1868,) 

 WELLINGTON TERRACE, CLIFTON, BRISTOL, 



Has now for sale, at reduced prices, one of the largest and most 

 authentic selections in this country of BIRDS' EGGS, in 

 Clutches and with Nest. BIRD SKINS. British and EXOTIC 

 LEPIDOPTERA, and Insects generally. Splendid Stock. 

 FOREIGN SHELLS, Natural History Books, CABINETS, 

 and Apparatus. Selections of Shells and Insects, sent on approval. 



Special Offer.— Steel Egg Drill, Brass Blowpipe, and Egg 

 Label List, post-free is. ____ 

 NEW PRICE CATALOGUE FREE. 



HERBERT FRY'S 



Royal Guide to the London Charities. 



Showing their Name, Dale of Foundation, Objects, Income, 

 Officials, &c. Edited by John Lane. Published Annually. 

 Crown 8vo. cloth, js. 6d. 



CHATTO AND WINDUS, Piccadilly, W. 



Pleasant Evening's with the Microscope. 



T? ORTNIGHTLY CONSIGNMENTS OF 

 L LIVING MARINE ORGANISMS, including 



Foraminifera, Micro-Sponges. Young Starfishes, Larval Annelids, 

 Crustaceans, and Molluscs ; Larval and other Ascidians ; Hydroid 

 Zoophytes ; Polyzoa, Micro-Alga;, etc., etc. From five to fifty or 

 more Forms in each Jar. 30/- per Annum. Free by 

 Parcels Post. 



J. SINEL, CLEVELAND ROAD, JERSEY. 



BEGAN ON JUNE 1st, 1890. 



LE DIATOM ISTE, 



A Special Quarterly Paper about Diatoms, and all questions con- 

 nected with them, with 14 to 18 pages of text and 2 or 3 plates in 

 4to. Edited by J. Tempere, with the collaboration of MM. 

 J. Brun, P. Bergon, P. T. Cleve, E. Dutertre, E. Grove, and 

 H. Peragallo. 



Subscription for the year, 12s. Single Number, 4s. 

 Subscriptions to be sent to Mr. J. TEMPERE, 168, Rue St. 

 Antoine, Paris. 



Microscopic Preparations Illustrating the 

 Minute Structure of Vegetable Life. 



READY for MOUNTING, with PLAIN INSTRUCTIONS. 



Being enclosed in a novel transparent envelope, these objects may 

 be examined without removal before mounting. They are pre- 

 pared with the utmost care, and are mostly stained in one or two 

 colours of the most permanent character. 



24 for 3s. 6d. ; 6 for Is. ; post-free anywhere. 

 List, One Stamp. 



WALTER WHITE, LITCHAM, SWAFFHAM. 



ESTABLISHED 1851. 



BIRKBECK BANK 



Southampton Buildings, Chancery Lane. 



THREE per CENT. INTEREST allowed on DEPOSITS 

 repayable on demand. 



TWO per CENT, on CURRENT ACCOUNTS, calculated 

 on minimum monthly balances, when not drawn below ^100. 



STOCKS, SHARES, and ANNUITIES purchased and sold. 



SAVINGS DEPARTMENT. 



For the encouragement of Thrift the Bank receives small sums on 

 deposit, and allows Interest, at the rate of THREE per CENT, 

 per Annum on each completed £1. Accounts are balanced and 

 Interest added on the 31st March annually. 



FRANCIS RAVENSCROFT, Manager. 



HOW TO PURCHASE A HOUSE FOR 

 TWO GUINEAS PER MONTH, OR A PLOT OF 

 LAND FOR FIVE SHILLINGS PER MONTH, with im- 

 mediate possession. Apply at the Office of the Birkbhck 

 Freehold Land Society. 



The BIRKBECK ALMANACK, with full particulars, post 

 free, on application. 



FRANCIS RAVENSCROFT, Manager. 



MINERALOGY, 



Choice Specimens and Collections for Museums, 

 Students, and Prospectors. Lessons Given. Cata- 

 logues Free. 



SAMUEL HEN SON, 



97, REGENT STREET, LONDON, W. 

 Established 1840. 



I =Tn umbers for use by Bankers:— Barrel Pens,] |( i 

 §225, 226, 262. Slip Pens, 332, 909, 287, 166, 7 

 i=404. In fine, medium, and broad Points. A-n 



