xxxviii 



HARDWICKE'S SCIENCE-GOSSIP. 



HERBERT FRY'S 



Royal Guide to the London Charities. 



Showing their Name, Date of Foundation, Objects, 

 Income, Officials, &c. Edited by John Lane. 

 Published Annually. Crown 8vo., cloth, is. 6d. 

 CHATTO AND WINDUS, Piccadilly, W. 



THE ZOOLOGICAL SOCIETY'S GARDENS, 

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

 q a.m. till Sunset. Admission is. ; on Mondays, 6d. ; Children 



always 6d. 



ROYAL BOTANIC 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. 



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. 



slidej;abinet. 



CIXTEEN TRAYS, with RIMS and FLAPS, 



t-_? 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, LIVERPOOL. 



MASON'S LANTERN AND TABLE 



(Patent applied for.) MICROSCOPE. 



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, 

 Clapham Park Road, Clapham, S.W. 



gEI^IES m Jftic wc@pic?m ©EJECTS. 



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

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

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

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

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

 in each Series, at 4^. each. Also the two following New Series: 



Tongue of Cat. 

 Arm of Foetus. 

 Ear. 



Heart of Monkey. 



12 ANATOMICAL. 

 Series 1.-5/-. 12 Slides. 



I Brain of Cat. I 



1 Kidney of Man. 



I Peyer's Patches. 1 



I Small Intestines of Cat. I 



12 ANATOMICAL. 



Series 2.-5/-. 12 Slides. 



Liver of Man. 

 Lung- 

 Spleen, Monkey 

 Uterus, Human. 



Colon of Cat. 

 Testis hominis. 

 Ovary, Human. 

 Stomach, Man. 

 Medulla oblongata. 

 Testis of Rat. 



Kidney of Pig-; injected, 2 colours. 

 Kidney of Rabbit, injected. 

 Liver of Rabbit. 

 Artery aorta. 

 Bulb of Man. 



Liver of Rabbit, doubly injected. 



Sole Agent: Wm. 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 

 IiEPIDOPTEBA , 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. 



POPULAR MICROSCO PE SLIDES. 



-pXCEPTIONAL VALUE. Well mounted 



-I— -* objects for entertaining friends, etc., pretty and unscientific ; 

 also newest, rarest, and most brilliant polarising, price 5s. 6d. per 

 dozen. Cash returned if not approved. 



Slides purchased if cheap. Typical Slides for Botanical students. 



HENRY EBBAGE, FRAMLINGHAM, SUFFOLK. 



ft 



BEGAN ON JUNE 1st, 1890. 



LE DIATOM I STE, 



55 



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. 

 Iiist, One Stamp. 



WALTER WHITE, LITCHAM, SWAFFHAM. 



ESTABLISHED 1851. 



BIREBECK 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, 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. 



gNumbers for rise by Bankers:— Barrel Pens, 

 §325, 226, 262. Slip Pens, 332, 909, 287, 166,/ 

 §404. In fine, medium, and broad Points. 



