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Hahrt3, J. Arthur. Leaf-tissue production and water content in a mutant race of Phaseolus 



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 , and F. G. Benedict. Besoins vitaux types d'6nergie pour la nutrition humaine. Bull. 



Soc. Sci. d'hygiene alimentaire de I'homme, vol. 8, 434;-454 (1920). 

 , , The variation and the statistical constants of basal metabolism in man. Jour. 



Biol. Chem., vol. 46, 257-279 (1921). 

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(1921). 

 , , and J. V. Lawrence. On the differentiation of the leaf- tissue fluids of ligneous 



and herbaceous plants with respect to osmotic concentration and electrical conductivity. 



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The osmotic concentration and electrical conductivity of the tissue 



fluids of ligneous and herbaceous plants. Jour. Phys. Chem., vol. 25, 122-146 (1921). 

 , , . On the relationship between freezing-point lowering, A, and speciflc 



electrical conductivity, k, of plant-tissue fluids. Science, n. s., vol. 52, 494-495 (1920). 

 , W. F. Kirkpatrick, A. F. Blakeslee, D. E. Warner, and L. E. Card. The egg 



records of limited periods as criteria for predicting the egg production of the White Leghorn 



fowl. Genetics, vol. 6, 265-309 (1921). 

 , and Harry R. Lewis. The second-year record of birds which did and which did not 



lay during individual months of the pullet year. Science, n. s., vol. 54, 224-226 (1921). 

 , and H. S. Reed. Inter-periodic correlation in the analysis of growth. Biol. Bull., 



vol. 40, 243-258 (1921). 

 , and C. S. Scofield. Permanence of differences in the plots of an experimental field. 



Jour. Agric. Res., vol. 20, 335-356 (1920). 

 , and Edmund W. Sinnott. The vascular anatomy of normal and variant seedlings of 



Phaseolus vulgaris. Proc. Nat. Acad. Sci., vol. 7, 35-41 (1921). 

 , , John Y. Pennypacker, and G. B. Durham. The vascular anatomy of dimerous 



and trimerous seedlings of Phaseolus vulgaris. Amer. Jour. Bot., vol. 8, 63-102 (1921). ^ 

 , , , . Correlations between anatomical characters in the seedling 



of Phaseolus vulgaris. Amer. Jour. Bot., vol. 8, 339-365 (1921). 



and A. T. Valentine. The specific electrical conductivity of the tissue fluids of desert 



Loranthacese. Proc. Soc. Exper. Biol, and Med., vol. 18, 95-97 (1920). 

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Hay, Oliver P. Description of species of Pleistocene Vertebrata, types or specimens of most of 



which are preserved in the United States National Museum. Proc. U. S. Nat. Mus., vol. 



59, 599-642, pis. 116-124 (Oct. 13, 1921). 

 Hendry, Mary F., and Alice Johnson. Carbon-dioxid content of barn air. Jour. Agri. 



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Heuser, C. H. The early establishment of the intestinal nutrition in the opossum. The 



digestive system just before and just after birth. Amer. Jour. Anat., vol. 28, 341-369 (1921). 



. Development of the innominate artery in the pig. Anat. Rec, vol. 21, 67 (1921). 



Hoffman, W. F. See Harris, J. Arthur. 



Hoge, Wendell P. The Mount Wilson Observatory. Santa Fe Mag., vol. 15, 21-27 (1921). 



Hopper, F. L. See Merrill, Paul W. 



How-Es, H. L. The spectral structure of the luninescence excited by the hydrogen flame. Phys. 



Rev. (2), vol. 17, 469 (1921). 

 Hubble, Edwin P. Twelve new planetary nebuliB. Pubs. A. S. P., vol. 33, 174-175 (1921). 

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HuMASON, Milton L. Two new planetary nebulse. Pubs. A. S. P., vol. 33, 175 (1921). 

 , and Paul W. Merrill. Ten stars of class B having the Ha line bright. Second list. 



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Jameson, J. Franklin. John Clark of the Mayflower. Proc. Mass. Hist. Soc, vol. 14, 61-76 



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. American Council of Learned Societies. Amer. Hist. Review, vol. 25, 440-446 (1921). 



. Meeting of the American Historical Association at Washington. Amer. Hist. Rev., 



vol. 26, 413-439 (1921). 

 Johnson, Alice. See Hendry, Mary F. 

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