NATURALISTS 



AND 



Manufacturers of Entomological 

 Appliances and Cabinets. 



Plain Ring Nets, wire or cane, including Stick, is. 3d., 

 2s., 2S. 6d. Folding Nets, 3s. 6d., 4s. Pocket Boxes, 6d., 

 gd., is., is. 6d. Zinc Relaxing Boxes, gd., is., is. 6d., 2s. 

 Entomological Pins (four sizes mixed), is. 6d. per oz. 

 Store Boxes, 2s. 6d., 4s., 5s., 6s. Setting Boards, flat or 

 oval, from 5d. to is. 8d. Setting Houses, gs. 6d., us. 6d., 

 14s. Zinc Larva Boxes, gd., is., is. 6d. Breeding Cage, 

 2S. 6d., 4s., 5s., 7s. 6d. Botanical Cases, japanned double 

 tin, is. 6d., 2S. gd., 3s. 6d., 4s. 6d., 7s. 6d. Botanical Paper, 

 from is. id. to 2s. 2d. per quire. Insect Cases, 2s. 6d. to us. 

 Forceps for removing Insects, is, 6d., 2s., 2s. 6d. per pair. 

 Cabinet Cork, 7 by 3A, best quality, is. 4d. per doz. 

 Nested Willow-chip Boxes, four doz., 8d. Coleopterists' 

 Bottles, is. 6d., is. 8d. 



Our new Label List of British Macro-lepidoptera, with 

 English and Latin names, is. 6d. Our new Catalogue of 

 British Lepidoptera (every species numbered), is.; or printed 

 on one side for Labels, 2s. Improved Pocket Pupa-Digger 

 in leather sheath (strongly recommended), is. gd. Taxi- 

 dermists' Companion, containing most necessary imple- 

 ments for skinning, 10s. 6d. ; Scalpels, with ebony handles, 

 is. 3d. ; Fine Pointed Scissors, 2s. per pair ; Egg Drills, 

 2d., 3d., is. ; Brass Blowpipes, 4d., 6d. A large stock of 

 British, European and Exotic Lepidoptera, Coleoptera, 

 and Birds' Eggs. 



Entomological Pins of every kind. 



The "DIXON" LAMP NET (invaluable for taking 

 moths off street lamps without climbing the lamp-posts), 

 2S. 6d. each. 



A LARGE STOCK OF INSECTS AND 

 BIRDS' EGGS. 



Cabinets-Special Sfiou Qoom. 



For Particulars and Measurements see our Catalogue 

 (66 pp.), which will be sent post free on application. 



Birds, Mammals, etc., Preserved and 

 Mounted by First-class Workmen. 



36STRAND,L0ND0N,W.C. 



(Five doors from Charing Cross.) 



NEW MICROSCOPICAL PREPARATIONS. 



Write to the Jersey Biological Station for New Lists of the 

 Cheapest and Best Microscopical Slides in the Market in 



BOTANY AND MARINE ZOOLOGY. 



Some Specialities are: — 



1. Set of 48 specially chosen Slides illustrative of Elemen- 



tary Botany. — Specially suitable for teachers and stu- 

 dents' use. Post free £1 is. 



2. "Micro Studies in Marine Zoology and Botany." Series 



of Slides accompanied by descriptive letterpress and 

 original drawings and photomicrographs. Particulars 

 on application. 



3. Expanded Zoophytes and Polyzoa. is. to is. 6d. per 



Slide. 

 4 . Sections of Entire Flower and Leaf Buds and double- 

 stained sections of Stems and Leaves. From 5d. each. 



Hundreds of grand Slides at 5s. a dozen, all perfect and 

 mostly double-stained. 



LANTERN SLIDES in Zoology and Botany in great 

 variety. Price 6s. per dozen. List on application. 



JAMES HORNELL, BIOLOGICAL STATION, JERSEY. 



SYMONS'S 



MONTHLY 



METEOROLOGICAL 



MAGAZINE. 



Monthly, price 46. ; or 5s. per annum, 

 post free. 



THE OLDEST INDEPENDENT 

 METEOROLOGICAL SERIAL, 



having been established in 1866. 



CIRCULATES IN ALL PARTS OF THE 

 WORLD. 



Contains early notice of all new 

 Discoveries, Theories, Phenomena, In- 

 struments, and Publications of interest 

 to Meteorologists, Reviews, Correspon- 

 dence, and details of Climate not only 

 in the British Isles but throughout the 

 Empire. 



LONDON : 



EDWARD STANFORD, 



COCKSPUR STREET, S.W. 

 AND ALL BOOKSELLERS. 



INSTRUCTION IN 

 PURE CULTIVATION OF YEAST, 



According to HANSEN'S METHODS. 



Courses for Beginners as well as for Advanced Students 

 in Physiology and Technology of Fermentations : Bio- 

 logical Analysis of Yeast. 



Manuals : E. Chr. Hansen, Practical Studies in Fermen- 

 tation. London (Spon), 1896. Alfred Joergensen, Micro- 

 organisms and Fermentation. London (F. W. Lyon), 1893. 



Further particulars on application to the Director, 

 Alfred Joergensen, The Laboratory, Copenhagen, V. 



Physiography and Geology. 



COLLECTIONS AND MICROSCOPIC SLIDES 



To illustrate above, as advised by Science and A rt Directory 

 of 1897, arranged by 



James r. Gregory & Co., 



Mineralogists, etc., to Science and Art Department, 

 British, Indian and Colonial Museums, etc. 



Mineral Specimens for Museums, and Collectors, and all 



purposes. Rock Specimens and Microscopic Sections of 



Rocks and Minerals. 



STORES & OFFICES: 1 KELSO PLACE, KENSINGTON, W. 

 New Catalogues and Lists free. 



Crown 8vo, with many quaint Illustrations in 

 the Text, several of which have never before 

 bee?i reproduced, cloth extra, 5s. 



THE MYSTERY AND ROMANCE 



OF 



ALCHEMY AND PHARMACY. 



By C. J. S. THOMPSON, 



Author of " The Chemist's Compendium," etc., etc. 



" A very entertaining book, bringing together an exten- 

 sive body of curious lore with regard to the curative art." 

 A berdeen Daily Free Press. 



London: THE SCIENTIFIC PRESS, Ltd., 



28 and 29 Southampton Street, Strand, W.C. 



