35° 



SCIENCE. 



[Vol. XV. No. 383 



CALENDAR OF SOCIETIES. 



Biological Society, Washington. 



May 31. — Theo. Gill, Characteristics of 

 the Halosauroids or Lyopomes; C. Hart 

 Merriam, Exhibition of Specimens of New 

 Species of North American Mammals ; J, 

 N. Rose, Coultei'ella, a New Genus of Com- 

 positse ; Joseph F. James, Organisms in the 

 St. Peter's Sandstone. 



Engineers' Club, St. Louis. 



May 31. — George A. Brown, The Func- 

 tion of the Government in a Plan for Gen- 

 eral L'rigation. In the discussion. Profes- 

 sor Nipher said that experiments extending 

 over a long period of years had demon- 

 strated that the apparent increase in rainfall 

 in forests was due to the fact that the rain 

 caught in the gauges was not affected by 

 -wind-currents. Improved forms of rain- 

 gauges had shown that there was no actual 

 difference between the amount of rain fall- 

 ing in forests and in open places. 



Royal Meteorological Society, London. 



May 21.— W. B. Tripp, Rainfall of the 

 Globe. This was a comparative chronologi- 

 cal account of some of the principal rain- 

 fall records. The earliest record is that of 

 Paris, which commenced in 1689. The 

 English records began in 1736. The rain- 

 fall observations in the southern hemisphere 

 do not extend over a very long period. At 

 Adelaide they were commenced in 1839, 

 but they do not go back farther than 1866 

 for New Zealand. The greatest fall in any 

 particular year at the stations given by the 

 author was 160.9 inches at St. Bernard, in 

 1839 ; and the least, 3 inches, at San Diego, 

 in California, in 1863. By combining the 

 stations in the northern and southern hemi- 

 spheres, the author finds that in recent 

 times the years with the highest average 

 rainfall were 1878, 1879, and 1883, and 

 the years with the lowest average were 

 18.54 and 1861. W. H. Dines, Mutual In- 

 fluence of Two Pi-essure Plates upon Each 

 Other, and Comparison of the Pressures 

 upon Small and Large Plates ; On the Vari- 

 ations of Pressure caused by the Wind 

 blowing across the Mouth of a Tube. In 

 these two papers the author gives the re- 

 sults of some experiments on wind-pressure 

 which he has made mostly on a whirling- 

 machine at Hersham, Surrey. Prom these 

 experiments it seems probable that a de- 

 crease of pressure per square foot with an 

 increase of size of plate may be taken as a 

 general rule. 



A TEMPORARY BINDER 



for Science is now ready, and will be mailed 



postpaid on receipt of 75 cents. 



This binder is strong, durable and 

 elegant, has gilt side-title, and allows 

 the opening of the pages perfectly 

 flat. Any number can be taken out 

 or replaced without disturbing the 

 Others, and the papers are not muti- 

 lated for subsequent permanent bind- 

 ing. Filed in this binder, Science is 

 always convenient for reference. 



N. D. C. HODGES, 



47 Lafayette Place, N. Y, 



CATARRH 



Catarrhal Deafness— Hay Fever. 



Sufferers are not generally aware that these 

 diseases are contagious, or that they are due to 

 the presence of living parasites in the lining 

 membrane of the nose and eustachian tubes. 

 Microscopic research, however, has proved this 

 to be a fact, and the result of this discovery is 

 that a simple remedy has been formulated where- 

 by catarrh, catarrhal deafness and hay fever are 

 permanently cured in from one to three simple 

 applications made at home by the patient once 

 in two weeks. 



N.B. — This treatment is not a snuff or an 

 ointment ; both have been discarded by repu- 

 table physicians as injurious. A pamphlet ex- 

 plaining this new treatment is sent free on 

 receipt of stamp to pay postage, by A. H. Dix- 

 on & Son, 337 and 339 West King Street. 

 Toronto, Canada. — Christian Advocate. 



Sufferers from Catarrhal troubles should care- 

 fully read the above. 



N. D. C. HODGES, 47 Lafayette PL, NewYork, 



Announces as Just Published 



Fact and Theory Papers 



THE SUPPRESSION OF CONSUMPTION. 



By Godfrey W. Hambleton, M.D. 12^, 40c. 



"The iaestimable importance of the subject, the 

 eminence of the author and the novelty of his work 

 all combine to render the little treatise worthy of 

 special consideration. . , . We heartily com- 

 mend Dr. Hambleton's booklet and wish there were 

 more such works. "—Editorial, Boston Daily Adver- 

 tiser. 



THE SOCIETY AND THE "FAD." 



By Appleton Morgan, Esq. 13°. 30 cents. 

 In this book Mr. Morgan, who is president of the 

 New York Shakespeare Society, sets forth what he 

 believes to be the true function of a Shakespeare 

 Society, which in many respects he makes essen- 

 tially scientific. 



Ready June 7. 



PROTOPLASM AND LIFE. 



By C. F. Cox. 12". 75 cents. 



The author of this book was for some years presi- 

 dent of the New York Microscopical Society, and in 

 this volume he sets forth his views on the spontane- 

 ous generation theory and its relation to the general 

 theory of evolution, and on protoplasm and the cell 

 doctrine. 



Ready July 5. 



THE CHEROKEES IN PRE-COLUMBIAN TIMES 



By Gyrus Thomas. 12°. $1. 



In Preparation. 



The Tornado. 



By H. A. Hazen of the U. S. Signal Office. 



12'. fl. 



Foods and Food Adulterants. 



By Edgar RicHABog, Ex-president National Chem- 

 ical Society. 



Color in Nature. 

 By G. Brown Goode and others. 



RUPTURE 



cured in stipulated time. 



NO DELAY FROM WORK, NO OPERATION. 



Call or send stamp for circular and reference of those 

 cured. We have on hand over 300 styles of trusses, from 

 $1 up, and suspensories of all kinds. Orders filled by 

 mail or express to any part of the United States. 



C. A. M. BURNHAM, M.D., 



138 Clinton Place, New York, 



Wants. 



A 7iy person seeking a position /or 'which he is quali- 

 fied by his scientific attaimnen^Sy or any person seeking 

 some one to fill a position 0/ this character^ be it that 

 0/ a teacher 0/ science^ chemist^ draughts7nan^ or what 

 not, may have the ' Wanf inserted under this head 

 FREE OF COST, if he Satisfies the publisher of the suit-- 

 able character of his application. Any person seeking 

 informatiofi on any scientific question, the address 0/ 

 any scientific man., or ivho can in any ivay use this col- 

 umn for a purpose consonant with the 7iatiire of the 

 paper ^ is cordially invited to do so. 



WANTED.— At the Bryant Summer School, Ros 

 lyn, L. I., a Professor to teach the botany and 

 zoology of the sea, marine life, etc., etc. July 8- 

 Sept. 8. Also, a six months*' term beginning now. 

 Other papers please copy. E. HINDS, A.M., Prin- 

 cipal. 



ARCHITECTURAL DRAUGHTSMAN, of four 

 years' practical experience, wants employment 

 during the four months' summer vacation of the 

 Mass. Institute of Technology. Best of references, 

 including former employer. Address I. M. BAB- 

 ROWS, 50 Union Park, Boston, Mass. 



AN OHIO STATE UNIVERSITY graduate de- 

 sires a f)osition for next year as laboratory 

 assistant or instructor in chemistry and physics. 

 Three years' special preparation for such work. 

 Two years' experi^ce in teaching. References as to 

 character and scholarship. Address C. S. ARNOLD, 

 O. S. U., Columbus, O. 



WANTED.- At the BRYANT SUMMER SCHOOL, 

 Roslyn, L. I., THREE professors to teach Sci- 

 ences, Languages. Mathematics, etc. July 8-Sept. 8. 

 Also, a six months' term beginning now. Other 

 papers please copy. E. HINDS, A.M., Principal. 



A GRADUATE of Princeton, for several years 

 university student and Fellow in Biology, de- 

 sires a position either to teach biology or as assist- 

 ant in a biological laboratory. Would prefer the 

 latter and be satisfied with a moderate salary if the 

 position afforded time for the prosecution of original 

 research. Address, O. S., BOX 86, Princeton, N. J. 



THE ADVERTISER— A Third Year Student in 

 Honor Sciences -at Toronto University, is willing 

 to take position as Science-Teacher or Tutor until 

 next October. En'-husiastic and practical instructor 

 in Biology, Chemistry, Physics. Mineralogy and 

 Geology. Latin and Greek and other branches ad- 

 ditional if required. Young, good family. Refer- 

 ences as to character and ability. CHEMIA, UNIV. 

 COLL., TORONTO. 



WANTED— Information concerning the produc- 

 tion of Mushrooms in caves and other places. 

 Address M. H. CRUMP, care Ky. Theologrical Sem'y, 

 Frankfort, Ky. 



ASSAYEB. — Wanted position as above, has had 

 three years' practical experience in a London 

 firm of assayers to the Bank of England, Royal Mint, 

 etc., etc. Thorough knowledge of bullion assaying, 

 and of gold, silver and lead ores. I. FRED. JOHN- 

 SON, Northgate Brewery, Canterbury England. 



AN EXPERIENCED Technical Chemist will be 

 open to engagement this summer. Highest ref- 

 erences. Address DIRECTOR, Office of Science. 



PROF. WILLIAM FINDLAY, of the Philadelphia 

 Institute of Physical Culture, is open to engage- 

 ment in summer school to teach Free Movements, 

 Wands, Clubs, Dumb-bells, Fencing and Sparring. 

 Address 1,009 Arch St., Phila., Pa. 



Exchanges. 



[Free of charge to all, if of satisfactory character. 

 Address N. D. C. Hodges, 47 Lafayette Place, New 

 York.] 



Wanted. — To exchange land and fre,^h-water mollusca' 

 (principally Helices Achatinellae, Clausiliae and Lim- 

 naeae,) for those not in my collection. Lists exchanged. 

 Address E. H. White, Box 200, Astoria, Or. 



To exchange for other books: Meek's Invertebrate 

 Paleontology, Cope's Cretace us Vertebrata, Leidy's 

 Extinct Vertebrate Fauna, Lesquereux Cretaceous Flora. 

 All being volumes of the Hayden Final Reports. Ad- 

 dress, giving lists, T. N. Glover, SufEern, N. Y. 



Meteorites. — Mr. George F. Kunz, 11 to 15 Union 

 Square. New York, or Hoboken, N. J., will buy or give 

 in exchange for whole or parts of meteorites. Whole 

 ones, undescribed ones, and entire falls especially de- 

 Wanted — To furnish roots of Dodecatheon Meadia^ 

 Sarracenia purpurea, ^nd other wild flowers, native of 

 Southern Wisconsin, in quantities. D. E. Willard, Cu- 

 rator of Museum, Albion Academy, Albion, Wis. 



For Exchange — Fourteen volumes Encyclopedia Erit- 

 annica (Stoddard's ninth edition), bound in leather — part 

 in original wrappers, all as new— can arrange to furnish 

 volumes required to complete set, and six volumes 

 '* American Naturalist " in numbers. Want small screw- 

 cutting foot lathe and testing galvanometer and rheostat. 

 For particulars address A. B. Campbell, McKean Co., 

 Bradford, Pa. 



