460 
Snoperass, R. E. tAnatomy and meta- 
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Snyper, JOHN OTTERBEIN. Gonorhyncus 
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Snyper, Tuomas F. Reticulitermes, new, 
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SpaLtpinG, Perutey. Biology of Pinus 
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{Tree diseases in Europe. 451. 
SranpitEy, Paut C. Calderonia and 
Exandra, new genera of Rubiaceae. 
289. 
—  Cashalia, new genus of Fabaceae. 
441. 
—  Cuscatlania, new genus of Allionia- 
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—— Rubiaceae, new plants of, 
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— Trees from Salvador, 
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—— {Phytopathology in the Philip- 
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TucKERMAN, L. B. 
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§Continuity vs. dis- 
AUTHOR INDEX 
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Watters, F. M. Iron, regularities in 
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WaSHINGTON, Henry S. Cogmagmatic 
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— Density of the Earth calculated from 
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453. 
— Stone adzes of Egypt and Hawaii. 
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163. 
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Wuerry, Epear T. Plant distribution 
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Relations between active acidity 
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WixiraMson, E. D. Density distribution 
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Wricut, F. E. Pearls, natural and cul- 
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— Lithium iodide and rubidium flu- 
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