38 CARNEGIE INSTITUTION OF WASHINGTON. 



Lewis, Margaret R. The development of cross striations in the heart-muscle of the chick 



embryo. Johns Hopkins Hosp. Bull., vol. 30, 81-90 (1919). 

 Lewis, Warren H. Degeneration granules and vacuoles in the fibroblasts of chick embryos 



cultivated in vitro. Johns Hopkins Hosp. Bull., vol. 30, 81-90 (1919). 

 . The centriole and centrosphere in degenerating fibroblasts of tissue cultures. Anat. 



Rec, vol. 16, 155 (1919). 

 Little, C. C. A note on the fate of individuals homozygous for certain color factors in mice. 



Amer. Nat., vol. 53, 185-187 (Mar. 1919). 

 . Some factors influencing the human sex-ratio. Proc. Soc. for Exper. Biol, and Med., 



vol. 16, 127-130 (1919). 

 Long, Frances. A quantitative determination of photosynthetic efficiency in plants. Phya. 



Res., vol. 2, 277 (1919). 

 Love, A. G. See Davenport, C. B. 



MacDougal, D. T. Growth in organisms. Science, n. s., vol. 49, 599 (1919). 

 , H. M. Richards, and H. A. Spoehr. The basis of succulence in plants. Bot. Gar., 



vol. 67, 405 (1919). 

 , and H. A. Spoehr. The solution and fixation accompanying swelling and drying of 



biocolloids and plant tissues. Plant World, vol. 22, 129-138 (June 1919). 



The effect of organic acids and their amino-compounds on the hydration of 



agar and on a biocolloid. Proc. Soc. Exper. Biol, and Med., vol. 16, 33 (1918). 



The origination of xerophytism. Plant World, vol. 21, 245 (1918). 



MacDowell, E. C. The influence of parental alcoholi.sm upon habit formation in albino rats. 



Proc. Soc. Exper. Biol, and Med., vol. 16, 125-126 (1919). 

 Mallory, William G. The distribution of energy in the spectrum of erbium oxide. Phys. 



Rev. (2), vol. 14, 54 (1919). 

 Manning, P. D. V. See Ferguson, J. B. 

 Mauchly, S. J. Some results of atmospheric-electric observations made during the solar eclipse 



of June 8, 1918. (Abstract.) Jour. Wash. Acad. Sci., vol. 9, No. 9, 269-270 (May 4, 1919). 

 . Note on a possifjle explanation of the "electric tide" observed at Jersey. Terr. Mag., 



vol. 24, No. 2, 99 (June 1919). 

 See Bauer, L. A. 



Mayor, A. G. Growth rate of Samoan coral reefs. Proc. Nat. Acad. Sci., vol. 4, 390-393 (Nov.1918). 



. Detecting ocean currents by observing their hydrogen-ion concentration. Proc. Amer. 



Philos. Soc, vol. 58, 150-160 (1919). 



McIntoshJ William A. Histological study of fat contained in the mucosa of the alimentary 

 tract of moderately starved cats. Amer. Jour. Phys., vol. 46, 570-583 (1918). 



Mendel, Lafayette B. Food factors in gastro-enterology. Amer. Jour. Med. Sci. 



— — — . See Osborne, Thomas B. 



Merrill, Paul W. The spectra of krypton and xenon in the infra-red. Read at Pasadena 

 meeting, Amer. Phys. Soc. (1919). 



. A study of the relative intensities of spectrum lines in different regions of the arc as 



compared with their behavior in other sources. Read at Pasadena meeting, Amer. Phys. 

 Soc. (1919). 



. See King, Arthur S. 



Mebwint, H. E. Ammonium picrate and potassium trithionate: Optical dispersion and anoma- 

 lous crystal angles. Jour. Wash. Acad. Sci., vol. 9, 429-431 (1919). 



, and J. C. Hostetter. Hematite and rutile formed by the action of chlorine at high tem- 

 peratures. Amer. Mineralogist, vol. 4 126-127 (1919). 

 See Ferguson, J. B.; Posnjak, Eugen. 



Metz, C. W. Anopheles crucians: Habits of larvae and adults. Pub. Health Rep., 2156-2269 



(Dec. 6, 1919) (Reprint No. 495, 1918). 

 . Some aspects of malaria control through mosquito eradication. Pub. Health Rep. 



vol. 34, 167-183 (Jan. 31, 1919) (Reprint No. 500). 



Anopheles crucians as an agent in malaria transmission. Pub. Health Rep., vol. 34, 



1355-1360 (June 20, 1919). 

 Meyer, Arthur W. Hydatiform degeneration in tubal pregnancy. Surg., Gyn., and Obst., 



vol. 28 (1919). 

 . On the nature, occurrence, and identity of the plasma cells of Hofbauer. Jour. Morph., 



vol. 32, 327-347 (1919). 



. The occurrence of superfetation. Jour. A. M. A., vol. 72, 769-774 (1919). 



. Sidelights on abnormal conceptuses. Anat. Rec, vol. 16, 169 (1919). 



. Uterine, tubal, and ovarian lysis and resorption of conceptuses. Biol. Bull., vol. 36, 



283-308 (1919). 

 -, and H. M. N. Wynne. Some aspects of ovarian pregnancy, with report of a case. 



Johns Hopkins Hosp. Bull., vol. 30, 92-98 (1919). 

 Miles, W. R. The sex expression of men living on a lowered nutritional level. Jour. Mental 



and Nervous Disease, vol. 49, 208 (1919). 

 . See Benedict, F. G. 



