XXX 



HA RD WICKE'S SCIENCE-GOSSIP. 



THE GONGHOLOGIST. 



Edited by W. E. COLLINGE. 



A Quarterly Magazine devoted to the interests of 

 ■Concholonists. Contains numerous and interesting 

 articles dealing with the anatomy, development, life- 

 history, variation, distribution, &c, of the Land and 

 Freshwater Mollusca, with occasional papers upon 

 Marine Mollusca. 

 BIBLIOGRAPHY. NOTES AND QUERIES. 

 SALE AND EXCHANGE COLUMN. 

 Supported by the leading Conchologists in the Kingdom- 

 Published each Quarter-day. Annual Subscription, 

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- Ill coinmunicatiotis should be addressed to 



W. E. COLLINGE, 108, Woodsley Road, Leeds. 



London: SWAN SONNENSCHEIN & CO. 



New and Interesting" Species of Shells 



From Borneo, Lake Tanganyika, and the Philippine Isla?ids. 



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. 



SLIDE CABINET. 



CIXTEEN TRAYS, with RIMS and FLAPS, 



J 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 ^lied/or.) 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, 

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@. LOUIS'S 



gEI^IEJS OK JllCI^ejSCePICJrlli @BJEC¥jS. 



Above 70 Series of U7imounted -Objects at 2s. each Series, ready 

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 12 STARCHES. 

 Series 2.-5/-. 12 Slides. 



Ervum lens. 

 Panicum italicum. 

 F.igophyrum esculentu 

 Holcus sorg-hus. 

 L,ychnis Githago. 

 Sccalc cercale. 



Panicum miliaceum. 

 Canna coccinca. 

 Vicia sativa. 

 Lolium italicum. 

 Cicer ariettnum. 

 Maranta arundinacca. 



ANATOMY OP THE TURTLE. {Very Thin Sections.) 

 Special Series, No. 10. -4/-. 6 Slides. 



Kidney. 

 Liver. 



Heart. 

 Lung. 



Small Intestine. 

 Skin. 



Only to be tried once to be always used. 



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 

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

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NEW PRICE CATALOGUE FREE. 



POPULAR MIC ROSCO PE SLIDES. 



EXCEPTIONAL VALUE. Well mounted 

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Slides purchased if cheap. Typical Slides for Botanical students, 



HENRY EBBAGE, FRAMLINGHAM, SUFFOLK. 



BEGAN ON JUNE 1st, 1890. 



LE DIATOM I STE," 



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 

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

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Microscopic Preparations Illustrating the 

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READY for MOUNTING, with PLAIN INSTRUCTIONS. 



Being enclosed in a novel transparent envelope, these objects may 

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

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WALTER WHITE, LITCHAM, SWAFFHAM. 



ESTABLISHED 1851. 



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HOW TO PURCHASE A HOUSE FOR 

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The BIRKBECK ALMANACK, with full particulars, post! 

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FRANCIS RAVENSCROFT, Managerl 



MI N E^RAJLOGYh 



Choice Specimens and. Collections for Museums 

 Students, and Prospectors. Lessons Given. Cata 

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SAMUEL 



HENSON, 



97, REGENT STREET, LONDON, W. 

 Established 1840. 



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I Numbers for use by Bankers:— Barrel Pens,] || 

 F225, 226, 262. Slip Pens, 332, 909, 287, 166, t 

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



