VI 



SCIENCE-GOSSIP. 



MICROSCOPICAL 



For the benefit oi ctiiiateurs who find difficulty in obtain- 

 ing good objects at a moderate rate, I ofier first-class 

 slides, including insects, rare crystals, foraminifera, 

 &c., at cost price (3d. each). Material, lists, and 

 information free. Dealers not supplied. 



Frank P. Smith, 15, Cloudesley Place, Islington, London^ 

 STEVENS' AUCTION ROOMS. 



SALE ANNOUNCEMENTS. 



Friday, June 30th. — Rt Xasmytli, ttie eminent Engineci ;ind 

 Inventor of the Steam Hammer, a largeqnantitv of Instruments' 

 and .Vpparatus removed from Hammei-field. 



Tuesday, July 4th. — Rare Relics from Benin: War Ti'opliies 

 from Omdurman and Kaslioda ; Xelsnn Relic ; King Georiie tlie 

 Third's Dressing Gown : .^rms and Armour ; an Extraordinary 

 i\Iusical Instrument made out of a Man's Head : War Medals and 

 Decorations : and other Curios, 



Tuesday, July 18th. — The Collection of Exotic Lepidoptera 

 formed by the late W. Hawlce, Esq. ; a fine Insect Cabinet, &c. 

 &c. 



Wednesday, July 19th. — .\ valuable Collection of Birds' Eggs, 

 including a fine example of the Great Auk. 



Every Friday throughout the Year. — Scientific and Optical 

 Instruments. Photographic Apparatus, and Miscellaneous 

 Property of everv description. 



Auction Rooms & Offices 38.K1NG ST.,CO VENT GARDEN. 



Goods Received at any Time and Included in the Sales. 



MARINE BIOLOGICAL ASSOCIATION OF 

 THE UNITED KINGDOM. 



THE LABORATORY, PLYMOUTH. 



T'.c foilowing Animals can always be supplied either living or 

 preserved bv ilie best methods : — 



Sycon ; C'lava, Obelia. Sertularia ; Actinia, Tealia, CaryophylHa, 

 Alcyonium ; Hormiphoria (preserved) ; Leptoplana ; Lineus, 

 Amphiporus : Nereis Aphrodite, Arenicola, Lanice, Terebella ; 

 Lepa;^, Balanus. Ganimarus, Ligia, Mysis, Nebalia. Carcinus ; 

 Patella, Buccinum. Eledone, Pecten ; Bugula, Crisia, Perdicetlina ; 

 Holothuria, Asterias, Echinus ; Ascidia, Salpa (preserved), Scyllium, 

 Raia, etc., etc. 



For Prices and more detailed Lists apply to 



The rijrect'r, Biological Laboratory, Plymouth. 



BIRKBEIOK BA.IMK; 



SOUTHAMPTON BLILDINGS, CHANCERY LANE, W.C. 



TWO-AND-A-HALF per Cent. IXTERESr allowed ou Deposits, 

 repayable on demand. TWO per Cent, on CURRENT ACCOUXTS 

 on the minimum monthlv balances, when not drawn below £100. 

 STOCKS and SHARES purchased and sold. 



SAVINGS DEPARTMENT. 

 For the encouragement of Thrift the hank receives small sums 

 on deposit, and allows Interest monthlv on each completed £\. 

 BIRKBECK BUILDING SOCIETY. 

 How to PfRCH.ASE A HOL'SE for Tw.i Guineas per Month. 



BIRKBECK FREEHOLD LAND SOCIETY. 

 How to I'lULii.iM- a PLOT OI' LAXD for 5s. per Month. 

 The BIKKHl'X'K ALM \XACK, with fuU ":M-icu'ar<, post free. 

 EsT.^BLisHED 1S51. FR.A.NCIS RAVENSCROFT. Maiinga: 



THE ZOOLOGICAL SOCIETY'S GARDENS, 



Regent^s Park. 



Are OPEN DAILY (except Sunday.s), from 9 a.m. till Sunset, 



Admission is. : on Mondays, 6d. ; Children, 6(r/. 



Among-st the recent additions are three Lion Cubs, presented by 



C. A. Osborne, Esq.. ani.1 two I\"ory Gulls from Spitzherg'en. 



SCIENCE^ GOSSIP. 



Scale of a&veitiscments. 



Inch in Column 

 Eiginth of Page . . 

 Quarter-page, or Half-column 

 Half-page, or One Column . . 

 Whole Page 

 Back Page 



Positions by Arrangement, 



All Advertisements to be sent to SciliN'ClL-Gossip Ot^cc, no, 

 Strand, London, W.C, on or previous to the 19th of each month. 



SWF* Special ipiofatiotis for a scries of insertions^ any 

 size space, matter changeable, on application. 



7 



6 



16 







1 10 







2 15 







5 5 







6 6 







NATURE notes: 



Monthly, Price 2cl. 



The Cheapest Natural History Mag-azine. Mailed free to any 



part of the World, per annum 3/6. 



A specimen Copy will be sent bv John Bale, Sons, and 



Danielsson.' Ltd., 8.^-89, Great Titchfield Street, \V., 



on receipt ot id. stamp for postage. 



The Selborne Society's 

 Magazine. 

 Edited b\ G. S. BoriiGER. F.L.S.. F.G.S., Proi^ssor of Botany 



and Geolog;', Cit>- of London Colleg-e. 

 NATURE NOTES'is intended to be a record of progress 

 — progress in the love oi Nature, in the knowledge of natural 

 objects, and in the war to be waged in defence of the beauties ot 

 Nature against their more or less avowed exterminators. The 

 object of the Selborne Society is to unite lovers of Nature for 

 common study and the defence of -Natural Obiects (Birds, 

 Plants, beautiful Landscapes, &c.) against the destruction by 

 which they are so constantly menaced. The }>iininiu>/i Annual 

 Subscription (which entitles subscribers to a Monthly copy of the 

 Society's Magazine) is 5s. All particulars as to Membership may 

 be obtained from the Secretary of the Selborne Society, 20, 

 Hanover Square, W. 



JOHN BALE, SONS, & DANIELSSON, Ltd., 



S3 — 89. Great Titchfield Street, London, W 



Now Ready. No. /j. Frkc ISm 



THE SCIENTIFIC ROLL. 



C innate : Banc Condition. To he completed in 16 Nnnibers. 

 Conducted by ALEXANDER RAMSAY. 



Prospectuses and Subscription Forms free b\" post on applica- 

 tion to the Publishers. 



A few of Nos. 1 to 12 still in print, price is. each. 

 The Geological Time Papers and Charts. No. 1. The "R" 



Geological Time Scale, price id. Nos. o to 3 Charts, 3d. each. 



Post free, id. extra. Now Readv. 



London: O'DRISCOLL, LENNOX & CO., 



Prinicis and Puldishers^ 



10 & 12, Elephant Road, Elephant & Castle. 



LOUIS'S MICROSCOPIGAL OBJECTS. 



34 Series, L'nmounted, of Cleaned Diatoms, 12 tubes in each 

 Series, 4s. per Series, 5 Series of 24 Foraminiferous Sands at 

 zs. each. 5 Series of 24 Microfungi at 2s. each, 7 Series of 24 

 Sections of Woods, 2s. each. 18 Spicules of^Gorgonia, 2s. 

 18 Spicules of Sponges, 2s. iS objects from Echinodermata. 2s. 

 18 Zoophytes, 3S. iSSections of Horns, Hoofs, etc., 2s. 24 Hairs 

 of Animals, 2s. (2 series). 24 Scales and Skins of Reptiles and 

 Fishes. 5 .Series of 24 Miscellaneous Non-botanical Objects, 

 ■29.. each. 



MISCELLANEOUS NON- 



cle;\ned unmounted 



DI/\TOIV|S. 



Series xxii. — 4s. pe>- \2. tubes. 

 Terpsinoe musica. 

 Aulacodiscus africanus. 

 Tukuro (Japan). 

 Hopkinton (N.H.U.S.A.). 

 Fragilaria capucina. 

 Redondo beach (Cala.). 

 Etc., etc. 



BOT/\NIC/VL. 



Scries Iv.— 24 Objects^ 2s. 

 Polycistines (Barbadoes). 

 Foraminifera (Haiti). 

 Isthniia enervis. 

 Spicules Desmacidon fruticosa. 

 » Spines of Echinus brevi- 



spinosa. 

 Wing of Panorpa vulgaris. 



Etc., etc. 



W. WEST, 26, Woodville Terrace, BRADFORD. 



Send Stamp for List. 



TRILOBITES 



From the Upper Silurian of Dudley. 



Phacopscaudatus,is.6d. to 15s. 

 Acidaspis coronata, 3S. to 4s. 

 Calvmene Blumenbachii, 5s. to 



6d. 



PliacopsDowningiar. is.6d. to 5s. 

 Encrinuriis variolaris. is. 6d. to 



3s. 6d. 

 Homolonotus, 3s. 6d. to 7s. 



A few Upper Silurian Crinolds, Corals and Brachiopods. 



Collections to Illustrate Geologv and Physiography. 



Catalogiirs Post Fiw. 



THOMAS D. RUSSELL, Mineralogist, 

 78, Newgate Street, London, E.G. 



BORD'S 

 PIANOS 



25 Pel- Cent. Discniuit for Cash, or 14s. 6d. Pel' Month 

 (Secvd-Hruul, lOs. 6d. Per Montln on tlie Tliree Years"Hire 

 System. Illnstniiel Lists free, of CHAS. STYLES & Co., 

 40 and 42, Southampton Row, London, W.C. Pianos 

 Exclianged. 



