KNOWLEDGE. 



January, 1915. 



IMPERIAL 

 COLLEGE 



OF SCIENCE AND TECHNOLOGY 



SOUTH KENSINGTON, LONDON, S.W. 



The following Courses of Advanced Lectures will be 

 delivered in the Department of Zoology during 1915: — 



(1) A Course of 16 Lectures entitled — 



"introduction;to the study 

 of heredity," 



By Professor E. W. MacBRIDE. F.R.S. 



Mondays at 5.30 p.m., beginning January 18th. Fee for 



the Course £l. 



(2) A Course of about 20 Lectures with Practical Work on 



" CYTOLOGY," 



By Mr. CLIFFORD DOBELL, M.A. 



Tuesdays and Thursdays at 10 a.m., beginning January 14th. 



Practical Instruction 11 — 1 p.m. Fee for Lectures only £l. 



Fee for Lectures and Laboratory Work £i. 



(3) A Course of 20 Lectures with Practical Work on 



"ADVANCED SYSTEMATIC 

 ENTOMOLOGY," 



By Professor MAXWELL LEFROY, M.A., F.Z.S. 



Tuesdays and Thursdays at 2 p.m., beginning January 14th. 



Practical Instruction 3 — 5 p.m. Fee for Lectures only £\. 



Fee for Lectures and Laboratory Work £i. 



For further information and for admission to the Courses, 

 application should be made to the Registrar. 



BIRKBECK COLLEGE, 



BREAMS BUILDINGS. CHANCERY LANE, E.C. 



COURSES OP STUDY (Day and Evening) for Degrees of tlie 

 UNIVERSITY OF LONDON in the 



FACULTIES OF SCIENCE & ARTS 



(PASS AND HONOURS) 

 under RECOGNISED TEACHERS of the University. 



SCIENCE.— Chemistry, PhysicB, Mathematics (Pure and Applied), 

 Botany, Zoology, Geology. 



ARTS.— Latin, Greek, English, French, German, Italian, History. 

 Geography. Logic, Economics, Mathematics (Pure and Applied). 



Evening Courses for tbe Degrees In Economics and Laws, 



POST-GRADUATE AND RESEARCH WORK. 



QS-cciriMai irii-irt; • I ^"y '■ Science, £17 lOs.! Arts, JEIO lOs. 

 SEbblONAL HIKS . ^ £--,^„,„^. Science, Art.s, or Economics, £5 5S. 



MATRICULATION COURSES AND ACCOUNTANCY. 



Prospeciusfs post free, Calendar 3d. (I'y post jd.), front the Secretary. 



PUSTLESS ROOMS 



On all Laboratory, Library, Museum, School, &c. Floors and Linoleums 

 of every description 



\^ FLORiQENE 



(A Regd. Name suggested by FloOP-Hygiene). 



It is IMPORTANT TO NOTE that ONE APPLICATION of 

 "Florigene" ALLAYS the DUST and DIRT for 2 to 12 months , 

 according to traffic, not only during each Swpepini; (without 

 Sprinkling of any kind), but also throughaut all ihe intervening 

 periods — which is even of greater hygienic importance. 



These sanitary and labour-saving advantages are NOT attained by 

 sweeping-powders or any other method. 



Send /or particulars^ Medical Reports, and Testimonials to 



The "DUST-ALLAYEFt" co. 

 165, Queen Victoria Street, London, E.C. 



Contractors to Admiralty, War Olficc, H.M. Office of Works, L.C.C., b'c. 



TELESCOPES. 



i^TRE^LORD -bury"telescgipe:;^^ 



SOLE, MAKER 



J.H. STEWARD 



LONDON. 



THE "LORD BURY" TELESCOPE, bronzed brass, in sling case £4 4 



Size, closed, lo inches; extended, 31 inches. Diameter of Object Glass, l| inches. 



Magnifying power 25 diameters, increasing by pancratic tube lo 35 diameters. 



Angular Field I s". Lateral Field at 1,000 yds. =262 yds. 



Will show a Flagstaff at 22 miles. I Will make out Wild Fowl at 16 miles. 



,, read name of Lightship at 9 miles. ' ,, show time by Church Clock at 6 miles. 



THE STEWARD 

 PRISM BINOCULAR 



£5 ISO in sling case. 



Central focussing adjustment. Sealed bodies. 

 Suitable for use in hot climates. 



Magnifying Power 

 Ang:ular Field .. 



X 8 diameters. 



5° 



Either of the above sent post free on 



receipt of remittance. 

 Illustrated Catalogue, Part I, post free. 



J. H. STEWARD, Ltd. ""% 



406 STRAND; 



icians to the British and 

 Foreign Governments, 



457 WEST STRAND, LONDON. ^^52° 



WATKINS and 

 DONCASTER, 



N ATURALI STS 



and Manufacturers of 



Cabinets and 

 Apparatus :: 



- FOR • 



COLLECTORS OF INSECTS, BIRDS' 



EGGS AND SKINS, MINERALS, 



PLANTS, Etc. 



SPECIAL SHOW-ROOM FOR CABINETS! 



NS^-For Exaltmct and Suptriority of CMiult 

 and Appvatut rtftrnces art ptnnitttd to dMa- 

 guishea Pattont, Museums, ColUges, S-c. 



A LAROB STOCK OP INSECTS, 

 AND BIRDS' EOaS AND SKINS. 



SPECIALITY.— Objects for Nature 

 Study, Drawing Classes, &c. 



Birds, Mammals, etc, Preserved and Mounted by 

 First-class Workmen true to Nature. 



VW All Books and Publications on Natural 

 History supplied. 



36, Strand, London, W.C. 



(Five Doors from Charing Cross.) 



vm- CATALOQUB POST PRBB. 



