SCIENCE- G OSSIP. 



W. LONGLEY, 



ENTOMOLOGICAL CABINET 



APPARATUS MAKER. 



NATURAL HISTORY AGENT AND BOOKSELLER. 



SOUTH BENFLEET, R.S.O., 



ESSEX:. 



Nets, Breeding Cages, and Apparatus of every descrip- 

 tion ; Cabinets for Insects, Birds' Eggs, Minerals, Shells, 

 Coins, etc. etc. ; Pocket Boxes, Store Boxes, and Book 

 Boxes. Sheets of Cork any size to order. 



ALFRED H. BASTIN, 



ENTOMOLOGIST, 

 Ivy House, 28 New Road, Reading. 



All kinds of apparatus for the use 'of Entomologists kept in 

 stock. A large stock of Exotic Insects of all kinds. A special 

 40-page Descriptive List may be had free on application by intend- 

 ing purchasers. Special cases illustrating ''Warning Colours," 

 "Mimicry," "Protective Resemblance," &c., can be supplied at 

 very low rates. Correspondence invited. Second-hand cabinets 

 bought and sold. 



BUTTERFLIES. MOTHS. 



Best value given for Colleotions from all 

 parts of the world. 



Travellers' own Colleotions named, ar- 

 ranged, and mounted. 



Many fine species for sale. 



PERCY I. LATHY, 



Sydney Road, Enfield, England. 



A FILMI^ESS CINEMATOGRAPH 



For taking and projecting life-size animated photographs with 

 greatest perfection to the extent of over 500 pictures. 



Specially eonstpueted for the Amateur op Professional. 



Price £6 10s. 



Negatives and Positive 



SIMPLE and RELIABLE 



MECHANISM. 



Plates, 2/6 each. 

 Subject Plates, 3/6. 



6d. allowed for each Plate 

 returned unbroken. 



Weight about 8 lbs. Complete Outfit, including 



,. Kammatograph, Lantern, Jet, 



Measurements, Xripod Stand, Printing Frame; 



14 in. X 13 in. x 34 in. Developing Tray, &c. 



£11 11 

 With the KAMMATOGRAPH an ordinary dry glass plate is used 

 instead of cinematograjih film. The method of developing KAM- 

 MATOGRAPH plates is exactly the same as with dry plates, thus 

 bringing cinematography within the Peach of all. 

 SPECIALITIES— Can be seen at the Manufactui-ere'. 

 High-Class Lanterns and Jets, Hand-Fed Arc Lamps, and 

 Patent Rheostats (100 to 200 volts). Prices on Application. 

 Write for Catalogue to the Manufacturers : — 



L. KAMM & CO., Scientific Engineers, 



Works-llf POWELL ST., GOSWELL RD., LONDON, E.G. 



A simple, inexpensive, and reliable process, 

 bdsed upon sound scientific principles, 



for obtaining photographs of any object in its 

 natural colours, faithfully reproducing every 

 shade and tint. 



AH Apparatus and Materials for work- 

 ing the process now ready. 



COMPLETE OUTFITS for i«-^ \f\ 

 STANDARD SIZE LAN- XZ 1 1 K 

 TERN SLIDES from "^^^ tViS. 



THREE COLOUR FILTERS from 15/- per Set. 



New Descriptive Booklets and Catalogues nozu ready. 



\^r Sge " Photography in 1901," " Science-Gossip," 



January 1902, page 232. 



Natural Colour Photographs made to order from Natural History Specimens, Micposeopic Objects, WopIcs of 

 Art, &c., either as lantern Slides or lapgep tpanspareneies. 



Apparatus and Materials for 



OBTHOCHROIWATIC PHOTOG RAPHY AND PHOTO-MICROGRAPHY. 

 SILIN^GSR SHEI»HErB & CO., 



Factory and Offices : 5i 6, & 7 Gray's Inn Passage, Red Lion Street, Holbokn, London, W.C. 



Photography i, 



Natural sanger 



'ZrZm^ SHEPHERD 

 OlOUrS. PROCESS 



BRITISH AND FOREIGN LEPIDOPTERA AND CABINETS. 



IVER. J. C. STESVSNTS 



WILL SELL BY AUCTION AT HIS GREAT ROOMS, 



38 KING STREET, COVENT GARDEN, W.C, 



EARLY IN MARCH, a portion of the extensive and valuable 



COLLECTION OF BRITISH AND 

 EXOTIC LEPIDOPTERA 



And other Orders of Insects formed by the late PHILIP CROWLEY, Esq., F.L.S., F.Z.S., etc., 



of Whaddon House, Croydon, 



Together with the ENTOMOLOGICAL CABINETS in which they are contained. 



Further portions of the same will be disposed of in the months of April and May. 



