620 



INDEX 



Pierce, R. C. *The measurement of 

 silt-laden streams. 136. 



Pierce, W. D. fExtraordinary strep- 

 sipterous type of parasitism. 272. 



fRecent spread of the cotton boll 



weevil. 26. 



Pittier, Henry. fForests of Panama. 

 27. 



*New or noteworthy plants from 



Colombia and Central America — 6. 

 566. 



*Preliminary revision of the genus 



Inga. 567. 



*The Middle American species of 



Lonchocarpus. 567. 



Power, F. B. fAims and develop- 

 ments of phytochemical research. 

 138. 



Priest, I. G. fAn interferential 

 method for measuring the expan- 

 sion of very small samples. 475. 



Qtjaintance, A. L. fSome notes on 

 the Aleyrodidae. 201. 



Reid, H. F. tThe distribution of 

 land and water on the earth. 311. 



Richards, R. W. *The Bull Moun- 

 tain coal field, Musselshell and 

 Yellowstone counties, Montana. 

 602. 



Richardson, Q. B. Note on the 

 diffusion of sodium chloride in 

 Appalachian oil-field waters. 73. 



Richtmyer, F. K. *An average eye 

 for heterochromatic photometry. 

 264. 



Ricker, P. L. fCollecting and pre- 

 paring specimens. 436. 



Riddle, Oscar. The control of the 

 sex ratio. 319. 



Robinson, H. M. *Ozokerite in cen- 

 tral Utah. 76. 



Roeser, H. M. *The calculation of 

 the constants of Planck's radia- 

 tion equation; an extension of the 

 theory of least squares. 542. 



Rogers, G. S. *Baked shale and slag 

 formed by the burning of coal 

 beds. 563. 



*Chemical relations of the oil- 

 field waters in San Joaquin Val- 

 ley, California. 586. 



*The Cleveland gas field, Cuya- 

 hoga County, Ohio. 308. 



Rose, J. N. fExhibition of Vene- 

 zuelan plants and fruits. 46. 



Safford, W. E. fMagic plants of the 

 ancient Americans. 47. 



Sampson, A. W. fRelation of plant 

 succession to forestry and grazing. 

 200. 



Sanford, R. L. *An experimental 

 study of the Fahy permeameter. 

 562. 



*Determination of the degree of 



uniformity of bars for magnetic 

 standards. 14. 



Sasscer, E. R. tRemarks on ento- 

 mological inspection and disin- 

 fection of products offered for 

 entry into the United States. 26. 



Scales, F. M. *Experiments in the 

 destruction' of fly larvae in horse 

 manure. 161. 



Schaller, W. T. Ilsemannite, hy- 

 drous sulphate of molybdenum. 

 417. 



-Magnesioludwigite, a new min- 

 eral. 29. 



Minasragrite, a hydrous sulphate 



of vanadium. 501. 



Schultz, H. I. *An investigation of 

 the axial aberrations o'f lenses. 

 585. 



Shaw, E. W. A new area of Car- 

 boniferous rocks with some coal 

 in the north end of the Gulf em- 

 bayment. 552. 



*The Irvine oil field, Estill County, 



Kentucky. 514. 



Shear, C. L. fPathological problems 

 in the distribution of perishable 

 plant products. 45. 



Shufeldt, R. W. fNotes on the 

 trunk-fishes. 201. 



fZoological statuary at the Na- 

 tional Capitol. 273. 



