CONTENTS. 



Page 

 I. Thermodynamic Properties of Twelve Liquids between 20° and 80° 



and up to 12000 kgm. per Sq. Cm. By P. W. Bridgman . . 1 



II. The Maximum Value of the Magnetization in Iron. Bv B. O. 



Peirce 115 



III. Buddhaghosa' s Treatise on Buddhism, entitled The Way of Salva- 

 tion: analysis of Part I, on Morality. By C. R. Lanman . 147 



IV. An Improved Method for Determining Specific Heats of Liquids, 

 with Data concerning Dilute Hydrochloric, Hydrohmmic, Hydri- 

 odic, Nitric and Perchloric Acids and Lithium, Sodium and 

 Potassium Hydroxides. By T. W. Richards and A. W. Rowe 171 



V. Petrology of the Alkali-Granites and Porphyries of Q wine y and the 



Blue Hills, Mass., U. S. A. By C. H. Warren 201 



VI. Contributions from the Gray Herbarium of Harvard University. 

 New Series, No. XLI . — /. A Redisposition of the Species 

 heretofore referred to Leptosyne. II. A Revision of Encelia 

 and some related Genera. By S. F. Blake 333 



VII. On the Size of Litters and the Number of Nipples in Swine. By 



G. H. Parker and C. Bullard 397 



VIII. Contributions from the Gray Herbarium of Harvard University. 

 New Series. — -No. XLI I. — /. A Key to the Genera of the 

 Co?npositae-Eupatorieae. By B. L. Robinson. //. Revi- 

 sions of Alomia, Ageratum, and Oxylobus. By B. L. Robin- 

 son. ///. Some ne.w Combinations required by the Interna- 

 tional Rules. By C. A. Weatherby. IV. On the Gramineae 

 collected by Prof. Morton E. Peck in British Honduras, 1905- 

 1907. By F. T. Hubbard. V. Diagno.ses and Transfers 

 among the Spermatophytes. By B. L. Robinson 427 



IX. The Generalized Riemann Problem for Linear Differential Equa- 

 tions and the Allied. Problems for Linear Difference and q- Dif- 

 ference Equations. By G. D. Birkhoff 519 



X. Studies on the Peripheral Nervous Sy.^tcm of Amphioxus. By 



H. L. KiTTCHiN 569 



XI. The Technique of High Pressure Experimenting. By P. W. 



Bridgman 625 



