SCIENCE-GOSSIP. 



S. Louis's Students' Mounted Objects, 



FOR THE MICROSCOPE. 

 ANATOMICAL AND ZOOLOGICAL, 



Series of 6 slides, 5s. 



BOTANICAL AND MISCELLANEOUS, 



Series of 6 slides, 4s. 

 These are all first-class slides, and are quite equal to those sold at 

 is. and is. 6d. each. They will illustrate :— The Study of 

 Animal Cells & Tissues. The Vegetable Cell. Contents 



of Cells. Vascular Tissues. Stems and Leaves, &c. &c. 



These are all superior to the S. Louis's series, which were so 



eagerly sought after when issued a few years ago. 



SOLE AG EN J— 

 W. WEST, 26 Woodville Terrace, BRADFORD. 



LOUIS'S MICROSCO PICAL O BJECTS. 



24 Series, Unmounted, of CLEANED Diatoms, 12 tubes in each 

 Series, 4s. per Series. 5 Series of 24 Foraminiferous Sands at 2s. 

 each, s Series of 24 Microfungi at 2s. each, 7 Series of 24 Sec- 

 tions of Woods, 2s. each. 18 Spicules of Gorgonia, 2s, 18 Spicules 

 of Sponges, 2s. 18 Objects from Echinodermata, 2s. 18 Zoophytes, 

 2s. 18 Sections of Horns, Hoofs, &c, 2s. 24 Hairs of Animals, 

 2s. (2 series). 24 Scales and Skins of Reptiles and Fishes. 5 Series 

 of 24 Miscellaneous Non-botanical Objects, 2s. each. 12 Series of 

 24 Miscellaneous Botanical Objects, &c. &c. 



SPICULES OF GORGONIA. MISCELLANEOUS OBJECTS 



(BOTANICAL). 



xlii.- 



2S. for 18. 



Echinorgia umbratica. 

 Villogorgia Mauritiensis. 

 Litogirgia radula. 

 Gorgonia fiagellum. 



— verticillata. 



— reticulata. 



— flabellum, &c. 



Series Ixix. — 2s. for 24 

 Betula verrucosa T. S. 

 Populus nigra T. S. 

 Ligustrum vulgare T. 5 

 Quercus robur T. S. 

 Platanus orientalis L 

 Fagus sylvatica L. S 



S. 



W. WEST, 26 Woodville Terrace, BRADFORD. 



Send Stamp for detailed List of 76 different Series. 



SEND FOR OUR " 



Illustrated 



Catalogue 



MICROSCOPES 



AND APPARATUS 



Post Free to Readers of Science-Gossip. 



MOUNTED SPECIMENS. 



Specially prepared for Teaching purposes. — A Speciality. 



SERIES 1. Illustrating Elementary Botany. 



SERIES II. . , the Life Histories of Plants. 



Either Set, 72 Slides, £3 3 0. 



Special Set illustrating the Anatomy of the Frog. 



O IB^IECIEIR,, established 1765, 

 244 High Holhorn, LONDON, W.G. 





JAMES SWIFT & SON, 



Manufacturing Opticians 



T Vin. Apochromatic Oil £ 

 "lmm., N.A. 1.40 .. ..8 

 J in. Apochromatic Oil 



lmm., N.A. 1.30 . . ..8 

 J in. Apochromat. N.A. 0.95 6 

 Oil Immerion Substage 



Condenser Combination, 



N.A. 1.40 7 



Ditto Ditto N.A. 1.30 6 

 Oil lmm. Pan-Aplanatic 



Condenser, N.A 1.35 .. 4 

 Ditto ditto N.A. 1.00 2 



Students' Microscopes fitted 

 with I and §, first series Iris 

 Diaphragm, and one Ocular in 

 Mahogany Cabinet, from £5 5/- 



Caialogues on application. 



81 TOTTENHAM COURT ROAD W. 



Microscopical and Lantern Slides. 



Illustrative of every department of 



ZOOLOGY, 

 BOTANY 



AND 



GEOLOGY, 



AT THE UNIFORM RATE OF 



The Student's Series of 48 Preparations 



in Elementary and Advanced BOTANY, sent out 

 packed in rack boxes at i'l is. net, post free. This 

 Series contains fourteen Type Preparations, 

 which can only be supplied separately at is. to 

 is. 6d. per slide. 



Stern Structure, Leaf Structure, Floral 

 . Structure, Ovaries, Fruit, Seeds, Plant 

 Hairs, Scales and Glands, 6s. per dozen. 



Type Slide Preparations of the Mouse, the 



Newt, the Earth Worm, Peripatus, Cerianthus and 



Alcyonium, is. to is. 6d. per slide. 



Set Slides of Foraminifera, 9d. to Is. per Slide. 



Sections of Ootton, Flax, Hemp, Jute, Oliina 

 Grass, Wool and Silk, &c, at Is. per Slide. 



The Pharmaceutical Series of .Microscopical Studies 

 in Elementary and Advanced Botany, comprising 4S 

 preparations, are published to meet the requirements of 

 Pharmaceutical Teachers and Students, and are sent 

 packed in rack-box, price 21s. post free. 



MICROSCOPICAL AND LANTERN SLIDE 

 CIRCULATING LIBRARY. 



Slides to the number of 300 per year, sup- 

 plied in sets as required by subscribers, will be sent, 

 post paid, for the Annual Subscription of 

 £1 1s. payable in advance. 



The slides will be sent one or two days prior to 

 the day of the lecture or exhibition, and must be 

 returned the day following the lecture, post paid. 

 Special post boxes will be provided for this 

 purpose, which will obviate the usual trouble of 

 packing. 



The whole of my very extensive stock will beat 

 the disposal of subscribers, and Lists of Additions 

 to it will be sent from time to time. 



ABRAHAM FLATTERS, 



16 & 18 Church Road, Longsight, 

 MANCHESTER. 



Preparer of Textile Fibres and Demonstrator in 



Microscopy to the Manchester Municipal 



Technical School. 



Send for Lists, &c, free per post. 



