XXXIV 
NATURE 
[Fune 4, 1885 
ROYAL GEOGRAPHICAL SOCIETY. 
The Anniversary Meeting will be held (by permission of the Chancellor 
and Senate) in the Hall of the University of London, Burlington Gardens, 
on MONDAY, June 8, at half-past 2 p.m., the Right Hon. Lord ABERDARE, 
President, in the Chair. 
The Dinner will take place at Willis’s Rooms, King Street, St. James’s, 
at 7 p.m. on the same day. 
The Right Hon. Lord AnERDARE, President, in the Chair. 
Dinner Charge, 2r1s., payable at the door; or Tickets may be had and 
eae taken at 1, Saville Row, Burlington Gardens, up to noonon Saturday, 
une 6. 
The Friends of Fellows are admissible to the Dinner. 
SWINEY LECTURES ON GEOLOGY. 
Dr. R. H. TRAQUAIR, F.R.S., F.G 
Lectures on ‘BIRDS and MAMMALS 
their FOSSIL FORMS,” in the British Museum (Natural History), Crom- 
well Road). Commencing, MONDAY, June 15, at 4 p.m., and to be 
continued each succeeding MONDAY. WEDNESDAY, and FRIDAY, 
concluding on FRIDAY, July ro, 1885. 
Admission to the Course, Free. 
HUDDERSFIELD TECHNICAL 
SCHOOL and MECHANICS INSTITUTE. 
The Governors will shortly appoint a Professor of Physical Science and 
Mathematics. Salary £250 per year. Intending Candidates should apply 
to the SECRETARY for a statement of duties and other particulars. 
Applications must be sent in on or before WEDNESDAY, June 17. 
AUSTIN KEEN, Secretary 
-, will deliver a Course of Twelve 
, especially in RELATION to 
Dated May 27, 1885 
MUSEUMS OF NATURAL HISTORY. 
Papers by HENRY H. HIGGINS, Liverpool. Sent by Post, free, to 
the limits of the Penny Post. SYNOPSIS of an ARRANGEMENT 
of INVERTEBRATE ANIMALS, ts. 6¢. MUSEUMS of NATURAL 
HISTORY, 1s. 3a. MUSEUM TALK about ANIMALS that have 
no BONES, 3d. 
Address T. Moore, Curator, Free Public Museum, Liverpool. 
MUSEUMS AND COLLECTORS. 
Mr. DAMON, of WEYMOUTH, will forward an 
abridged Catalogue of his Collections in Natural History 
Objects, including RECENT SHELLS (Foreign and 
British), FOSSIL REMAINS, MINERALS, ROCKS, 
MARINE ZOOLOGY, &c., &c., &c. 
HOW & CO’S 
Geological Transparencies for the Lantern, 
Descriptive Catalogue on Application. 
WALKER’S SPECIFIC GRAVITY BALANCE FOR ROCKS 
AND MINERALS. 
HOW & CO.’S POCKET MICROSCOPE LAMP, 8s. 6d. 
MICRO-PETROLOGY.—Sections of Pitchstones, Obsidians, Granites, 
Syenites, Diorites, Gabbros, Dolerites, Basalts, Tachylites, rachytes, 
Andesites, Porphyrites, Rhyolites, Lavas, Ashes, Gneiss, Schists, Lime- 
stones, &c., price 1s. 6d. each, 
JAMES HOw & CO., 73, Farrincpon Street, Lonpon. 
PATERSON & COOPER. 
76, LITTLE BRITAIN, LONDON, E.C. 
Electric Light and Power and Telephone Engineers. 
New Electric Light Catalogue, post free rs. 
PATERSON & COOPER beg to give notice that they have disposed of 
the Philosophical, Educational, and Experimental Part of their Business to 
Messrs. J. and T. MAYFIELD, 41, Queen Victoria Street, E.C. 
SIX PRIZE MEDALS 
AWARDED FOR GEOLOGICAL COLLECTIONS. 
Geological Collections especially adapted for Teaching as supplied to Science 
and Art Department, and used by all Lecturers and Teachers in 
Great Britain, &c. 
New and Rare Minerals constantly arriving from all parts for selection of 
Single Specimens. 
ROCK SECTIONS AND ROCK SPECIMENS: 
The Largest Variety in England. 
New Catalogues and Lists onapplication to— 
JAMES R. GREGORY, 
88, CHARLOTTE STREET, FITZROY SQUARE, LONDON. 
Established 27 Years in London. 
BOOKS (Secondhand), Miscellaneous, Re- 
mainders, &.—C. HERBERT, English and Foreign Bookseller, 319, 
Goswell Road, London, E.C. Catalogue free on receipt of two stamps. 
Libraries, Old Books, and Parchment purchased. 
LIVING SPECIMENS FOR THE MICROSCOPE. 
GOLD MEDAL awarded at the FISHERIES EXHIBITION to 
THOMAS BOLTON, 57, NEWHALL STREET, BIRMINGHAM. 
who has last week sent to his subscribers Notammata brachionus, with 
drawing and description. He has also sent out Syncoryne frutescens, ~ 
Paludicella Ehrenbergi, Lophopus crystallinus, Stephanoceros Eichornii, 
Melicerta ringens, Asplanchna priodonta, Hydatina senta, Holopedium 
gibberna, Volvox globator, Spirogyra; also Amoeba, Vorticella, Hydra, 
Crayfish, and other Specimens tor (Huxley and Martin’s) Biological Labora- 
torv work. 
Weekly Announcements will be made in this place of Organisms T. B. is 
supplying. E 
Specimen Tube, One Shilling, post free. 
Twenty-six Tubesin course of Six Months for Subscription of £1 15., 
or Twelve Tubes for 10s. 6a. 
Portfolio of Drawings, Ten Parts, 1s. each. 
G. CALVER has received HIGHEST 
AWARD for ‘‘ Excellence and Improvements” in Reflecting Telescopes 
exhibited at the International Exhibition, London.—Descriptive Cata- 
logues, twelve stamps. 
G. CALVER, F.R.A.S., Widford, Chelmsford. 
EDWARD WARD has pleasure in an- 
nouncing the issue of a new Micro-Slide of Zoophyte, with tentacles 
out, in the special manner so well known to his numerous patrons. 
Sate 
(post-free) 2 8 
Plumularia similis. ee 
Also, quite new :— 
Gorgonia verrucosa (polype stained) 
Podalirus typicus (Spectre Shrimp) *3 ro 2 
EDWARD WARD, 249, OXFORD STREET, MANCHESTER. 
LANTERN READINGS.—DISSOLVING 
VIEWS. 
THE NEW QUADRUPLICON. 
New Season, 1884 and 1885.—Popular Subjects for this Season. 
The Channel Islands—The War in the Soudan—The River Thames— 
Devonshire Scenery—Hereford and the River Wye—The English Lakes— 
London Poor and How They Live—Egypt and the Nile Expedition—Nor- 
way—The Lifeboat—The Signal Box—The Maids of Lee—Poor Pa’s 
Trousers—Shadows on the Blinds, &c. x ae 
The largest and newest Stock of Lanterns and Slides, Scientific and 
General, on Hire and Sale in this country at the Lowest Prices. 
E. MARSHALL, 78, Queen Victoria Street, London, E.C. 
” 2 2 
INTERNATIONAL HEALTH EXHIBITION, 
DIVISION—EDUCATION. 
A PRIZE MEDAL AWARDED TO 
THOMAS D. RUSSELL, 
78, NEWGATE STREET, LONDON, E.C., 
For Geological Collections for Science Teaching. 
Catalogues Post free. 
MINERALOGY AND GEOLOGY. 
PROFESSORS, COLLECTORS and VISITORS to LONDON are 
INVITED to INSPECT Mr. HENSON’S STOCK of CHOICE MINE- 
RALS, &c., &c. At the PRESENT TIME he has a PARTICULARLY 
FINE CRYSTALLISED NUGGET of NATIVE GOLD, WEIGHT 9 oz.. 
PINK APOPHYLLITE, CHESSYLITE, EMERALDS on MATRIX, 
PYROMORPHITE (veRY RARE FORM). CERUSSITE, CRYSTALL- 
ISED MALACHITE, and BOTRYOIDAL CHALCEDONY, ME- 
TEORIC 1RONS and STONES. POLISHED AGATES and LABRA- 
DORITES. 
A Large Series of ROCKS, also MICROSCOPIC SECTIONS of the 
same. 
Lists on Application. 
PRIVATE LESSONS AND EVENING CLASSES. 
BLOWPIPE CASES AND APPARATUS. Catalogues free. 
SAMUEL HENSON, 
277, STRAND, LONDON. 
Opposite Norfolk Street. 
SCIENCE AND ART DEPARTMENT 
so PER CENT. GRANT FOR THE PURCHASE OF STANDARI) 
COLLECTIONS AND APPARATUS FOR TEACHING GEOLOG\ 
AND MINERALOGY. NEW LISTS and FORMS on which the 
Application is to be made supplied by 
THOMAS J. DOWNING, 
Geologist, &c., 
38, WHISKIN STREET, LONDON, E.C. (over Quarter of a Century). 
Hammers, Chisels, and Hammer Straps. 
