AUTHOR-SUBJECT INDEX, 1849-1961 



99 



Insects — Continued 



Parasite element of natural control of 

 injurious insects and its control by 

 man, by L. O. Howard. 1926: 411- 

 420 



Psychic life of insects, by E. L. Bouvier. 

 1918: 451-459 



Psychical faculties of ants and some 

 other insects, by A. Forel. 1903: 

 587-599 



Remarks on the influence of insects on 

 human welfare, by Carl D. Dun- 

 can. i947 : 339-347 



Resplendent shield-bearer and ribbed- 

 cocoon-maker: two insect inhabitants 

 of the orchard, by R. E. Snodgrass. 

 1920: 485-509 



Role of vertebrates in the control of 

 insect pests, by W. L. McAtee. 

 1925: 514-537 



Senses of insects, by N. E. Mclndoo. 

 1920: 461-483 



Seventeen-year locust, by R. E. Snod- 

 grass. 1919: 381-409 



So-called Bugonia of the ancients, and 

 its relation to a bee-like fly, Eristolis 

 te nax, by C. R. Osten Sacken. 1893: 

 487-500 



See also Entomology and names of in- 

 sects, families, orders 

 Institute of France 



Centennial of the Institute of France, 

 by Jules Simon. 1895: 713-727 



Institute of France in 1894, by M. 

 Loewy. 1894: 697-708 

 Instruments 



Possibilities of instrumental develop- 

 ment, by George E. Hale. 1923: 

 187-193 



Ramsden dividing engine, by J. El- 

 freth Watkins. 1890:721-739 



Science of musical instruments, by E. 

 G. Richardson. 1953: 253-261. 

 International Geophysical Year 



IGY in retrospect, by Elliott B. Roberts. 

 1959: 263-284 



International relations 



Mutual helpfulness between China 

 and the United States, by Wu Ting- 

 Fang. 1900: 565-574 

 Interpolation 



Methods of interpolation applicable to 

 the graduation of irregular series, 

 by E. L. DeForest. 1873: 319-353 



Some methods of interpolation appli- 

 cable to the graduation of irregular 

 series, by Erastus L. DeForest. 

 1 871: 275-339 

 Interstellar space 



Contents of interstellar space, by C. G. 

 Abbot. 1933: 21 1-2 1 8 



Ether and gravitational matter through 

 infinite space, by Lord Kelvin. 1901 : 

 215-230 

 Intoxicants 



Mescal: a new artificial paradise, by 

 Havelock Ellis. 1897: 537-548 

 Inventions 



American inventions and discoveries 

 in medicine, surgery, and practical 

 sanitation, by John S. Billings. 1 892 : 

 613-619 



Birth of an invention, by Otis T. 

 Mason. 1892: 603-611 



See also names of inventions 

 Inwards, Richard, Meteorological obser- 

 vatories. 1896: 149-166 

 Ions 



Isolation of an ion, a precision measure- 

 ment of its charge and the correction 

 of Stokes's law, by R. A. Millikan. 

 1910: 231-255 

 Iowa — mounds 



Ancient mounds and earthworks in 

 Floyd and Cerro Gordo Counties, 

 Iowa, by Clement L. Webster. 1887: 

 575-589 



Ancient mounds in Iowa and Wiscon- 

 sin, by Clement L. Webster. 1887: 

 598-604 



Ancient mounds in Johnson County, 

 Iowa, by Clement L. Webster. 1887: 



593-597 

 Ancient relics in northwestern Iowa, 

 by J. B. Cutts. 1872: 417 



