Ixx 



HARD WICKE'S SCIENCE- G O SSIP. 



SPECIAL ifTTrtMICAl SLIDES. 



Ovaries, Leaf- Buds, Flower - Buds, 



All the Parts " in sitit." 

 T. S. Leaf-bud of Ash, " Fraxinus excelsior " 

 T. S. ,, Sycamore, "Acer Pseudoplatanus " 



T. S. Flower-Bud of Lily, "Lilium croceum" 

 T. S. ,, „ Iris, "Iris Germanica " 



&e. 



2s. Od. 

 Is. 6d. 

 2s. 6d. 

 2s. Od. 



ABRM. FLATTERS, 54, Croft-st., Openshaw. 



THE ZOOLOGICAL SOCIETY'S GARDENS, 

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

 g A.M. till Sunset. Admission if. ; on Mondays, 6d. ; Children 

 always 6d. 



New and Interesting* Species of Shells 



From Borneo, Lake Tanganyika, and the Philippbie 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. 



NOW READY. My New Illustrated Catalogue of 



MICROSCOPICAL REAGENTS 

 AND MATERIALS. 



Price 3d., but will be sent FREE to all applicants during the 

 current month. 



C. H. HESKETH "WALKER, Micro-Specialist, 



12, CHURCH STREET, LIVERPOOL. 



MASON'S LANTERN AND TABLE 



{Patent applied for.} MICROSCOPE. 

 T70R SCIENCE TEACHERS, LECTURERS, 



JT 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, 

 Clapham Park Road, Clapham, S.W. 



Series m J)Iic weepies Objects. 



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 4s. each. 



12 MISCELLANEOUS. 

 Series 1.-5/-. 12 Slides. 



Stem of Clematis (double stained.) 

 Polycistines (Bermuda.) 

 Obelia dichotoma. 

 Spermaceti. 

 yEcidium quadrifidum. 

 Kidney of pig {double injected.) 



12 FORAMS AND POLYCISTTNA 

 5/-. 12 Slides. 



Polycistina from Bermuda. 



„ opaque. 



,, Baibadoes. 

 „ „ Haiti. 



H -i opaque. 

 Forams from chalk. 



Ophiocoma neglecta (whole.) 

 Mixed spicules of gorgonia. 



„ fossil Diatoms (marine.) 



„ (fresh water.) 



Spirogyra bcllis. 

 Heliopelta metii. 



Forams from Algeria (fossils opaque.) 

 ,, Brittany. 

 ,, South Seas sounding. 

 Peneroplis planatus. 



Globigeri 



spimlina. 

 la bull 



ulloides. 



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



Send Stamp for 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 EXOTIO 

 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. 



BUY, SELL, or EXCHANGE 



Large variety of Gorgeous Polarising, Brilliant Opaque, and 

 interesting Objects. 



Price 5s. 6d. dozen. Cash returned if not approved. 



HENRY EBBAGE, FRAMLINGHAM, SUFFOLK. 

 EXTRACT FROM " LE DIATOMISTE." 



A FEW SPARE COPIES OF A 



Monograph of the Genus Pleurosigma, 



and Allied Genera, by Mr. H. Peragallo. 

 40 pages with 10 plates, post-free, 12s. 6d. 



(With Coloured Plates, 15s.) 

 Can be obtained of Mr. J. TEMPERE, Editor of " Le Diatomiste," 

 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 

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TWO per CENT, on CURRENT ACCOUNTS, calculated 

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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 3tst March annually. 



FRANCIS RAVENSCROFT, Manager. 



TTOW TO PURCHASE A HOUSE FOR 



IT. TWO GUINEAS PER MONTH, OR A PLOT OF 

 LAND FOR FIVE SHILLINGS PER MONTH, with im- 

 mediate possession. Apply at the Office of the Birkbeck 

 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 



HENSON, 



97, REGENT STREET, LONDON, W. 

 Established 1840. 



s Numbers for use t 



? 225, 226, 262. Slip Pens, 332, 909, 287, 

 =404. In tine, medium, and broad Points. 



