76 A Reconstruction of the Nuclear Masses. 



ACKNOWLEDGMENTS. 



I take pleasure in acknowledging my thanks to Dr. F. P. Mall, to Dr. 

 Florence R. Sabin, and especially to Dr. C. R. Essick for their encourage- 

 ment and practical assistance throughout this work, and to Mr. Max Brodel 

 for his drawings of the reconstruction. 



The work was done at the Anatomical Laboratory of the Johns Hoi)kins 

 University between 1909 and 1913, and has received substantial aid from 

 the Foundation "Art in Medicine," Johns Hopkins Medical School, and 

 from the Carnegie Institution of Washington. 



BIBLIOGRAPHY. 



1881. C. F. VV. Roller, Arch, f. Mik. Anat., vol. xix, p. 383. 



1891. Ij. Blumen.\u, Neurologische.s CVntralblatt, vol. x, p. 220. 



1897. F. R. S.\Bi>i, Bull. Johns Hopkiii-s Hospital, vol. viii, p. 2.53. 



1901. F. R. S.\BIN, Atlas of JMiMlulla aiul Mid-hraiii, Baltimore, and Johns Hojjkins Hospital Reports, vol. ix. 



1902. G. L. Streeter, Ainer. Journ. Anat., vol. ii, p. 299. 



1903. E. L. Mkllus, Amer. Journ. Anat., vol. ii, p. 361. 



1906. A. Van Gehuchten, Anatomie du Systeme Nerveux de L'hommo, Loiivain. 



1907. C. R. Essick, Amer. Journ. Anat., vol. vii, p. 119. 



1909. L. Jacobsohn, Kerne des menschlichen Hirnstamms, .Vhhandl. d. Konigl. Preuss. .^kad. 

 1912. C. R. Essick, .\mer. Journ. Anat., vol. xiii, p. 2."). 



