THE MICROSCOPICAL JOURNAL, ADVERTISER. 



Vr. UTATSON & SONS, 



3 I 3 High Holborn, London, W. C. 



XOTE.— There is uo duty whatever on Microscopic Objects entering the United States, provided they ar^ 

 for Piivate and not Trade purposes, as per decision of the Secretary of the Treasury, reported in the Synop- 

 tical Series of Treasury decisions — 3,958. American Microscopists can then, by ordering direct I rem us. 

 avail tlieniselves of our comprehens ve stock at London prices. 



Group composed of 12 different species of Foraminifera — very perfect $0 40 



Ciroup of about 50 Flower Seeds 50 



GemnisB of Marchantia $0.'25 ; Fertile spike of Chara 25 



I'rotonenia of Moss, i0.2^> ; Section of Ergot of Rye 25 



Vegetable Moulds : — Mucox mucedo ; Penicillium glaucum ; .\sperKillus glaucus, each. , 25 



Dodder on Clover, Long: Section of parasite ; Trans: Section of Host 25 



Jaw of Kitten, showing diveliping peinianent tooth, displacing temporary tooth 75 



Section of Tongue of Rabbit, showing gustatory organs 45 



Section of Lip of Cat. showing sensory hairs 45 



Merboniian glands in Section of Eyelid— very fine 45 



Lung of Ox— Pleuro-pufunionia 45 



Staphylococcus erysipelatis p< 75; Bacillus of Swine Fever 75 



Polycistina in Section of Barbadoes Rock 50 



Actinomycosis in Tongue of Cow 50 



Very beautiful groups of Eggs of Butterflies, Moths, &c., striking for Exhibition purposes . . .$1.40 and 2 65 



Parasol Ant, from Trinidad ,50 



Cornea ot Eye of Dragon-Fly— to show multiplied images 40 



Ti-achea of Indian Centipede— opaque 40 



Scales and hairs of Insects arranged to represent Sprigs of Flowers, Bouquets, Vases. of Flowers, &c. 



$1.50, $'2..'50, $5.25, and 10 50 



Very pretty Slide of Spicules of Gorgonia, Holothuria. &c ' 40 



Grotjp of about 150 Selected Diatoms from Oamaru, N. Z 1 65 



Group of about 150 Selected Diatoms from Santa Monica 1 65 



Type Slide of 400 different Species of Diatoms, the usnie photographed on the Slide, under eiich specie. .20 00 



Type Slide of SO different Species of Diatoms, the name photographed on the Slide, under each specie. . 7 5u 



Set of 24 Slides, specially arranged for Veterinary Studf uts 8 50 



Add cost of mailing to above prices : 1 slide, $0.13 ; 6 slides, $0.45 ; 12 slides, $0.75. Larger parcels can be 

 sent by express parcels servic ■ at very low rates. 



Any of the above objects sent by return on receipt of remittance for price and cost of mailing. 



Ci^BSTFiBD LtsT OF 40,000 FiRST-Ci^Ass MiCBOscopic OBJECTS Sent post free on application. 



NEW APPARATUS FOR MICROSCOPES. 



Miea Seloiilte Slag:e (for use with the Polariscope). A film of Mica is fitted to rotate in a 

 brass plate 'on wliich the object is placed) over three different Selenites. by whidi luejns all the 

 colors obtainable with any number of Selenite films may be produced. The effects ii re vcrv fine . . $C 50 



WatNoii A- Nous* Moilel Abbe Illmniiiutor, (1.2 N. A.) with 5 Stops 6 25 



" " " " " (1.2 N. A.) with Ids diaphrag II 8 15 



" " " " " (1.2 N. A,)with Iris diapliragiii complete form 



for Instrmneuts with Substage 10 65 



Set of Stops for dark ground and oblique illumination for above Illuminator, in box 1 9() 



Nose-pieces in Aliiinjiiilim. Very light, neat, strong, compact, and perfectly true. For 



two Objectives, $o.0U ; for three Objectives 8 75 



Similar Nose-pieces in brass, for three Objectives, $7.50 ; for two Objectives 3 75 



Microscope liSinp on stand, having metal chimney with fitting for 3x1 slips. FJat container. 



Square supporting bar Burns for ten hours. The best for high-power work 6 25 



All apparatus is of the universal size. 



MICROSCOPES, OBJECTIVES, AND APPARATUS for every class 

 of research, of the finest quality only. 



TVl>lf II,I,USTRATBD CATAI^OGUB OF MICROSCOPES, &c., 



SENT POST FREE ON APPI,ICATION TO 



OPTICIANS TO H. M. GOVERNMENT, 



313 High Holborn, London, W. C, and 78 Swanston St., Melbourne, Australia. 



Established 1837. 



Awarded Two Gold Medals. Paris T'nivi-rsal Exliibition, 1889: two Diplomas of Honor for Microscopes 

 Mid Microscopic Objects, Antwerp InteriiatioTial V^shiliition 1891; and 2'! Gold and other Medals at the 

 principal luteruuti.inal Lihibilioiis of tlie World. 



