362 INDEX 



Fixed Ended Arches, Design of, by the Elastic Theory, 135 



Fourteenth Amendment, The, 197 



Future Specific and Social Efficiency, The Law of, 255 



Greek Sources of Shelley's Adonais, 305 



Groups of Order p", which Contain Cyclic Sub-Groups of Order p™--, 285 



Halides, Sulphur, Action of, upon Paratoluquinoline, 159 



Halogens, Action of, upon Paratoluquinoline, 159 



Hayti, Tripartite Intervention in, 1851 323 



Hellems, PredB. R., 299 



Henderson, Junius, 233, 345 



Highway Systems, State, 189 



Intervention in Hayti, Tripartite, 323 



Laughter, On, 349 



Law of Future Specific and Social Efficiency, The, 255 



Linear DiflEerential Equations, Notes on, 269 



Linkages, Algebraic Transformations, Realized by, 211 



List of Birds of Boulder County, Colorado, Preliminary, 233 



Lory, Chas. A., 15 



Neikirk, L. L, 285 



Newton's Five Types of Plane Cubics Obtained by the Steinerian Trans- 

 formation, 275 



Norlin, George, 49, 305 



Notes on Early Greek Cosmogonical Speculations, 49 



Notes on the Ellipse, 45 



Notes on the p-Discriminant of Ordinary Linear Differential Equations, 269 



Notes on the Theory of Electrons, 5 



Overturn in the Denver Basin, The, 345 



Papilionaceae, Cotyledons and Leaves of Certain, 239 



Paratoluquinoline, Action of Halogens and Sulphur Halides Upon, • 159 



Particular Method in Centroids, A, 219 



Paxson, Frederic L., 323 



p-Discriminant of Ordinary Linear Differential Equations, 269 



Phillips, John B., 189 



Plane Cubics, Newton's Five Types, . . . i 275 



Play, 59 



Preliminary List of Birds of Boulder County, Colorado, 233 



Problems of Closure, Application of Elliptic Functions to, 81 



Ramaley, Francis, 239 



Reactions, Chemical, On the Velocity of, 19 



Reaction, The Ehrlich, 331 



Roads and Highways, 189 



Shelley's Adonais, Greek Sources of, 305 



Siphon, On the, 209 



Sociality, The Basis of 245 



