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That Erroneous Hiawatha, by Albert B. Reagan.................... 161 
The Medicinal Value of Hupatoriwm perfoliatum, by A. J. Bigney.... 163 
Refractive Index as a Measure of Dry Substance in Saccharine 
TETHOVCUDIGES «| onal 18 loved a) BANG c 3 onche) Giclee gates ad eraswrotce oto iaeeera inka oleedicksre 165 
Conductivity of Certain Salts in Ethyl Amine, by E. G. Mahin........ 175) 
A Study of the Chemical Composition of Butter Fat, by O. F. Hun- 
ikon andy GEOLge SPlbZels =. aes» sete Ss os oie ee one ee Sesl w 18] 
On a New Complex Cyanogen Compound, by A. R. Middleton. ....... 197 
The Determination of Endothermie Gases by Combustion, by A. R. ' 
Miele Come tere crete teeter oh eye ee acne aeteee ich ae en Mears een ae 199 
Methods in Solid Analytics, by Arthur S. Hathaway................. 201 
Motion of n-Bodies, by Arthur S. Hathaway. ..0...-.....60.5 05.208. 203 
Direct Reading Accelerometers, by C. R. Moore..................... 205 
Notes on the Strength of Concrete Building Blocks, by H. H. Scofield... 225 
Polarization of Cadmium Cells, by Rolla R. Ramsay................. 229 
An Investigation of a Point Discharge in a Magnetic Field, by Oscar W. 
TVS N epee cee NE PPA ts Mesa MAM cei ae ae cyetee ace cieiee andre ain eee 233 
ithe Lenacity-of Gelatine, by “As Li Foley ic cic. 2 lercuecee' sey e ade sion Salers 243 
Cohesion of Water as Modified by Certain Dissolved Salts, by Edwin 
IW iltoyetiats16) 01 Secas ee eas ot Bros SAN eS, ccc cs an teen cheer cane RE nce een ieee 249 
Some Features of Delta Formation, by Charles R. Dryer............. 255 
A Physiographic Survey of an Area near Terre Haute, Ind. by Charles 
Ree Dnyerand SMelvane ln) avis sey eras cscs alse os inde center icresratee 263 
The Collecting Area of the Waters of the Hot Springs of Hot Springs, 
ANTES LO Go)e tal U3 EU Ib 1 nee er PRP or 269 
Where Do the Lance Creek (‘‘Ceratops’’) Beds Belong, ‘n the Creta- 
ceousior Wertdanwciyg@liver Pi Hay jae. fesse eee ne ee ss 277 
Paleonto' ogy and the Recapitulation Theory, by E. R. Cumings ...... 305 
The Tippecanoe, an Infantile Drainage System, by W. A. McBeth..... 341 
A Paired Entoplastron in Tryonix and Its Significance, by H. H. Lane.. 345 
Some Notes on Parasites Found in Frogs in the Vie’n ty of St. Paul, 
AETTiT seman geelesrilins OS ORM Ree a Pde wish Sede ape peerage ne eg iene wad cles 351 
The Mocking Bird about Moores Hill, Ind., by A. J. Bigney........... 353 
Observations on Woodpeckers, by John T. Campbell .............. 354 
Observations on Cerebra! Localization, by J. Rollin Slonaker......... 355 
The Evolution of Insect Galls as Iilustrated by the Genus A mphibolips, 
bya Mel est a @ooler cera sitet ain shc(e aug tecccca tyausorles «oc ane eee ae OI 
