Science, Opseg 22John Michels (Journalist) American Association for the Advancement of Science, 1893 |
Iz unutrašnjosti knjige
Rezultati 1 - 5 od 77.
Stranica 2
... animal . The air passes out again through the opercular aperture , and the movements of the operculum itself indicate the fact that bronchial as well as pulmonary respiration takes place . " Externally , the sexes present no characters ...
... animal . The air passes out again through the opercular aperture , and the movements of the operculum itself indicate the fact that bronchial as well as pulmonary respiration takes place . " Externally , the sexes present no characters ...
Stranica 4
... animals which had left these hillocks to mark their subterranean dwellings . Several theories have been advanced to account for this for- mation . The most probable hypothesis is suggested by the na- ture of the soil and the peculiar ...
... animals which had left these hillocks to mark their subterranean dwellings . Several theories have been advanced to account for this for- mation . The most probable hypothesis is suggested by the na- ture of the soil and the peculiar ...
Stranica 7
... animals . If , as seems certain , what were at first varieties , in the process of time , by increase of the differential characteristics , or simply by these becoming permanent , originated new species , we are , while studying the ...
... animals . If , as seems certain , what were at first varieties , in the process of time , by increase of the differential characteristics , or simply by these becoming permanent , originated new species , we are , while studying the ...
Stranica 8
... animals , much less those who could translate scien- tific monographs into popular language . Especially in the insect world a good collector could bring in from any summer - day's excursion dozens of specimens which have never yet been ...
... animals , much less those who could translate scien- tific monographs into popular language . Especially in the insect world a good collector could bring in from any summer - day's excursion dozens of specimens which have never yet been ...
Stranica 9
... animal for food . The flesh of all had at least been partly devoured , but it was observed that not a carapace nor a ... animals so large . I have never suspected him , either , of being a turtle - eater . The only other birds competent ...
... animal for food . The flesh of all had at least been partly devoured , but it was observed that not a carapace nor a ... animals so large . I have never suspected him , either , of being a turtle - eater . The only other birds competent ...
Ostala izdanja - Prikaži sve
Uobičajeni izrazi i fraze
874 Broadway acid Address Agents wanted American animals appear Archæology bell beriberi birds body Boston Bright's Disease Brinton building carbon Catalogue cents chemical chemistry clays color conductor containing copies Correspondence solicited course Cretaceous CYRUS THOMAS DANIEL G Diptera disease dissipated Dyspepsia earth eggs electrical energy Emile Berliner experience fact feet fossils Geological German language glyph hundred hydrazoic acid illustrated inches insects interest JOSEPH JASTROW Journal laboratory Lake language larvæ lightning lightning-rods Mass matter ment metal method microscope miles Mineral molecules N. D. C. HODGES nature objects observed paper Patent plants plates postpaid present Professor published recent ridges River rocks scientific sent Society species specimens stones student Subscription surface teacher temperature theory tion trees Universal Postal Union University wire writer York
Popularni odlomci
Stranica 210 - Whatever is intended f»r insertion must be authenticated by the name and address of the writer; not necessarily for publication, but as a guaranty of good faith. We do not hold ourselves responsible for any view or opinions expressed in the communications of our correspondents. Attention is called to the "Wants
Stranica 111 - Descriptive pamphlet free on application to RUMFORD CHEMICAL WORKS, PROVIDENCE, RI Beware of Substitutes and Imitations. For sale by all Druggists.
Stranica 249 - SCHENK. MANUAL OF BACTERIOLOGY. For Practitioners and Students. With especial reference to Practical Methods. By Dr. SL SCHENK, Professor (Extraordinary) in the University of Vienna. Translated from the German, with an Appendix, by WR DAWSON, BA, MD, Univ. Dub. ; late University Travelling Prizeman in Medicine. With 100 Illustrations, some of which are coloured. 8vo.
Stranica 56 - THE BEAUTIES OF NATURE AND THE WONDERS OF THE WORLD WE LIVE IN.
Stranica 125 - WHERE THREE EMPIRES MEET: a Narrative of Recent Travel in Kashmir, Western Tibet, Baltistan, Ladak, Gilgit, and the adjoining Countries.
Stranica 42 - Near the bell was fixed an iron hammer to strike the hours ; and from the tail of the hammer a wire went down through a small gimlet-hole in the floor that the bell stood upon, and through a second floor in like manner; then horizontally under...
Stranica 177 - Acid Phosphate Is the most effective and agreeable remedy in existence for preventing indigestion, and relieving those diseases arising from a disordered stomach. Dr. WW Gardner, Springfield, Mass., says: "I value it as an excellent preventive of indigestion, and a pleasant acidulated drink when properly diluted with water, and sweetened.
Stranica 125 - SMALE AND COLYER. DISEASES AND INJURIES OF THE TEETH, including Pathology and Treatment : a Manual of Practical Dentistry for Students and Practitioners. By MORTON SMALE, MRCS, LSA, LDS, Dental Surgeon to St. Mary's Hospital, Dean of the School, Dental Hospital of London, etc.
Stranica 232 - SCIENCE. Containing the works of the foremost scientific writers of the age. — The Great Classics of Modern Thought.— Strong meat for them that are of full age. Single numbers 15 cents. Double numbers 30 cents.
Stranica 125 - Bent- — THE RUINED CITIES OF MASHONALAND : being a Record of Excavation and Exploration in 1891. By J. THEODORE BENT. With 117 Illustrations. Crown 8vo., 31.