HA RB WIC ICE'S 



SCIENCE- G O SSIP. 



SCIENTIFIC DRAWINGS of all KINDS, 

 accurately executed in Black and White or in Natural 

 Colours. Chromo-Lithographs of same if required ; also Micro- 

 scopical Drawings. — " Artist," Studio, 41, Doughty Street, 

 Mccklenburgh Square, W.C. 



MICROSCOPE SLIDES. 



HIGH CLASS GORGEOUS POLARISING, 

 brilliant opaque, and pretty Non-Scientific Objects in great 

 variety, for evening exhibition ; 5s. dozen. Cash refunded if not 

 approved. Write for particulars. 



HENBY EBBA GE, FRAMLINGH AM, S UFFOLK. 



THE ZOOLOGICAL SOCIETY'S GARDENS, 

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

 9 A.M. till Sunset. Admission is. ; on Mondays, 6d. ; Children 



always 6d. 



ROYAL BOTANFc SOOIETY'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. 



«3_ JL* O "O" IE £S ' £3 



gEI^IES 0E MlCWC0PIC^Ii ©BJEC¥$. 



Above 70 Series of Unmounted Objects at 2y. 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 3X1 Slips. The Mounted Slides are in 

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

 in each Series, at 4s. each. 



12 TEST OBJECTS (Dry). 

 Series 1.-5/-. 12 Slides. 



Scales of Pieris brassicce,^ 

 ,, Hipparchia janira. 

 ,, Lepisma saccharin! 



Navicuh cuspidata. 



Nitzschia Amphioxys. 



Frustulia saxonica. 



Pleurosigma ang-ulatum. 



,, balticuin. 



„ hippocampus, 

 attenuatuiu. 

 Ainphipleura pellucida. 

 Ampliiprora Mediterranea. 



12 TEST OBJECTS (Dry). 

 Series 2.-5/-. 12 Slides. 



Scales of Pieris rapx. 



,, Tinea vestimenti. 

 Fleurosig'nia rigidum. 



„ Spencerii. 



,, formosum. 



„ strig-osum and Nitzsclii 

 sigina.. 



Vleurosig-ma quadratum and 



Surirella gemma. 

 Striatella unipunctata. 

 Surirella striatula. 

 Rhizosolenia Shrubsolii. 

 Nitzschia dubia, &c. 

 Grammatophora marina. 



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' EGG-S, in 

 Clutches and with Nest. BIRD SKINS. British and EXOTIC 

 IjEPIDOPTERA , 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. 



CURE 



FOR 

 THE 



PECK'S TUBULAR CUSHIONED EAR DRUMS PER- 

 FECTLY OVERCOME DEAFNESS and HEAD NOISES, 

 whether caused by colds, fevers, concussions, age or injuries to the 

 natural drums. IBIVZSSBIaE, self adjusting, and comfortably 

 worn months without re.ifoval. All conversation, even whispers, 

 heard distinctly. Succe-sful where all other remedies have failed. 

 Sold only by FK.EERZ.fl.ISr HZSCOX, 852. BROAD- 

 WAY, NEW Yo3K, U.S.A. Illustrated book and 

 proofs sent FREE. Solid Gold Mounted, $6.00 or £1 5s. 

 per pair; Silver Mounted, $5.00 or £.1 3d. per pair. Safe 

 delivery guaranteed by registered post to any part of the world 

 upon receipt of draft on London or Paris or money order. Send 

 age and sex of patient. 



Pleasant Evenings with the Microscope. 



FORTNIGHTLY CONSIGNMENTS OF 

 LIVING- MARINE ORGANISMS, including 

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

 Crustaceans, and Molluscs ; Larval and other Ascidians ; Hydroid 

 Zoophytes ; Polyzoa, Micro-Algse, 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 Numler, 4s. 

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

 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 Birkbeck 

 Freehold Land Society. 



The BIRKBECK ALMANACK, with full particulars, posS 

 free, on application. 



FRANCIS RAVENS CROFT, Manager 



HERBERT WARD'S BOOKS. 



FIVE YEARS with the CONGO CANNIBALS. 



With 83 Illustrations by the Author, Victor Perard and 

 W.B.Davis. Second Edition. Royal Svo., cloth extra, i+r. 



MY LIFE with STANLEY'S REAR-GUARD. 



Post 8vo. is. ; cloth, is. 6d. [Shortly. 



London: CHATTO & WINDUS, Piccadilly. 



