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Hay, O. p. Description of a new fossil sea-cow from Florida, Metaxytherium floridanum. 



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97-102 (1922). 

 Hertzsprung, Ejnar. Effective wave-lengths of 139 stars within 0?5 of the North Pole and the 



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 Heuser, C. H. See Hartman, C. 

 HiNES, M. Studies in the growth and differentiation of the telencephalon in man: The fiasura 



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Exper. Zool., vol. 35, 1-11 (1922). 

 Honeywell, H. E., and Oscar Riddle. Increased blood sugar coincident with ovulation in 



pigeons. Proc. Soc. Exper. Biol, and Med., vol. 19, 337-380 (May 1922). 

 HosTETTER, J. C, and H. S. Roberts. Note on the dissociation of ferric oxide dissolved in glass 



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 Hubble, Edwin. A general study of diffuse galactic nebulae. Astrophys. Jour., vol. 56(1922); 



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HuMASON, Milton L. Discovery of bright hydrogen lines in the spectrum of the variable star 



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. Nova No. 21 in the Andromeda nebula. Pubs. A. S. P., vol. 34, 222-223 (1922). 



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



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Kapteyn, J. C. First attempt at a theory of the arrangement and motion of the sidereal system. 



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KoFOiD, Charles A., and Olive Swezy. On the free, encysted, and budding stages of Council- 

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, . On the occurrence of Endamoeba dysenteriae in bone lesions in Arthr itis 



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