52 Carnegie; institution of Washington, 



MAcDouGAt, D. T. Darwinism and experimentation in botany. (Plant World, v. xii, 



pp. 97, 121. 1909.) 

 . The origination of self-generating matter and the influence of aridity upon the 



evolutionary development of plants. (Jour. Geol., Nov., 1909. Also Scientific 



American, 1909. Also Plant World, v. xii, Oct., 1909.) 

 Mahin, Edward G. See Jones, Harry C. 

 Mayer, A. G. On the use of magnesium in stupefying marine animals. (Biol. Bull., v. 



17. 1909.) 

 . On the use of carbon dioxide in killing marine animals. (Biol. Bull., Woods 



Hole, V. 16, p. 18. 1908-9. 

 Morse, H. N., and Holland, W. W. The osmotic pressure of cane-sugar solutions at 



25°. (Amer. Chem. Jour., v. xlt. No. i. Jan., 1909.) 

 , . The regulation of temperature in the measurement of osmotic pressure. 



(Amer. Chem. Jour., v. XLi, No. 2. Feb., 1909.) 

 , . The osmotic pressure of cane-sugar solutions at 20°. (Amer. Chem. 



Jour., V. XLi, No. 4. April, 1909.) 

 -, and Lovelace, B. F. Improvements in manometers for the measurement of 



osmotic pressure. (Amer. Chem. Jour., v. xl. No. 4. Oct., 1908.) 



MouLTON, F. R. On certain implications of possible changes in the form and dimen- 

 sions of the sun, and some suggestions toward explaining certain phenomena of 

 variable stars. (Astroph. Jour., v. xxix, No. 4, pp. 257-280. May, 1909.) 



. Notes on the possibility of fission of a contracting rotating fluid mass. 



(Astroph. Jour., V. xxix, No. i, pp. 1-13. Jan., 1909.) 



MuLLENix, R. C. See Castle, W. E. 



Newcomb, Simon. Fluctuations in the moon's mean motion. (Monthly notices Royal 

 Astronomical Society, v. 69, pp. 164-169. 1909 ) 



. Comparison of ancient eclipses of the sun with modern elements of the moon's 



motion. (Monthly notices Royal Astronomical Society, v. 69, pp. 460-467. 1909-) 

 Fluctuations in the moon's mean motion. (Monthly notices Royal Astro- 



nomical Society, v. lxix. No. 3. 1909.) 



NoYES, Arthur A., and Johnston, John. The conductivity and ionization of poly- 

 ionic salts. (Jour. Am. Chem. Soc, v. 31, p. 987-1010. Sept., 1909.) 



Osborne, T. B., Leavenworth, C. S., and BrautlEcht, C. A. The different forms of 

 nitrogen in proteins. (Amer. Jour. Physiol., v. xxiii. No. 3. Dec, 1908.) 



, and Jones, D. B. Hydrolysis of vitellin from the hen's egg. (Amer. Jour. 



Physiol., V. XXIV, No. i. April, 1909.) 



• , . Hydrolysis of muscle of scallop (Pectens irradians). (Amer. Jour. 



Physiol., V. XXIV, No. i. April, 1909.) 



. , . Hydrolysis of ox-muscle. (Amer. Jour. Physiol. August, 1909.) 



, and Heyl, F. W. Hydrolysis of fish-muscle. (Amer. Jour. Physiol., v. xxiii. 



No. 2. Nov., 1908.) 

 -, Jones, D. B., and Leavenworth, C. S. Hydrolysis of crystallized albumin 



from hen's egg. (Amer. Jour. Physiol., v. xxiv. No. 2. May, 1909.) 



Peters, W. J. The Carnegie Institution marine collimating compass. (Ter. Mag., v. 

 XIV, No. I, pp. 17-24. March, 1909.) 



. An instrument designed for more precise determination of magnetic declina- 

 tion at sea. (Abstr., Science, v. xxix. No. 742, p. 475. Mar. 19, 1909-) 



. Review: Wade's field method for determination of longitude. (Ten Mag., v. 



xiii. No. 4, p. 187. Dec, 1908.) 



. Abstract : Dunoyer, Sur I'emploi des compas de grand moment magnetique, and 



Dunoyer, Sur la compensation des compas de grand moment magnetique. (Ter. 

 Mag., v. XIV, No. 2, p. 92. June, 1909.) 



Abstract : Dunoyer, Sur un compas electro-magnetique particulierement propre 



aux blockhaus cuircasses et aux sous-marine, and Dunoyer, Sur la compensation 



d'un compas electromagnetique pour blockhaus cuircasses et pour sous-marins. 



(Ter. Mag., v. xiv. No. 2, p. 91. June, 1909.) 

 Phillip, John C. See Castle, W. E. 

 Punnett, R. C. See Bateson, William. 

 Rehfuss, Martin E. The experimental production of acute toxic ulcer of the stomach. 



(Univ. Penna. Med. Bull., v. xxii, No. 4. June, 1909.) 

 REid, E. E. An electrically-controlled gas regulator. (Amer. Chem. Jour., 41, p. 148.) 

 , and Agree, S. F. The alcoholysis or esterification of acid amides. (Amer. 



Chem. Jour., 41, 483. June, 1909.) 



