Burrows: Study of Body Cells. 503 



26. Harrison, R. G. 1914. The Reaction of Embryonic Cells of Solid Struc- 

 tures. Jour, of Exp. Zool., vol. 17, pp. 521-544. 



27. LoEB, Leo. 1922. Agglutination and Tissue Formation Science N. S., 

 vol. LVI, pp. 237-240. 



28. Lewis. W. H. 1922. Is Mesenchyme a Syncytium? Anat. Record, vol. 23, 

 pp. 177-184. 



29. Burrows, M. T. 1912. A Method of Furnishing a Continuous Supply of 

 New Medium to a Tissue Culture in vitro. Anat. Record, vol. 6, pp. 

 141-144. 



30. Burrows, M. T. 1917-'18. A Note on the Mechanism of Heart-muscle 

 Contraction. Am. Jour. Physiology, vol. 45, pp. 556-557. 



31. Bredig, S., und WEiNMA-iTiR, J. 1903. R, periodische Kontaktkatalyse. 

 Zeitsch fur Phys. Chem., B. 42, S. 601-611. And, Bredig, S. 1907. Bio- 

 Chem. Zeitchr., B. 6, S. 283. 



32. Bernstein, J. 1908. Uber die Temperaturcoeffizienten der Muskelonergie. 

 Pfluger's Arch., B. 122, S. 129-195. 



33. Carlson, A. J. 1904. The Ner\^ous Origin of the Heartbeat in Limulus 

 and the Nervous Nature of Coordination or Conduction in the Heart. 

 Amer. Jour. Phys., vol. 12, pp. 67-74. 



34. AsAMi, GoicHi, .\ND Dock, William. 1920. Experimental Studies on Hy- 

 perpastic Bone Formation. Jour. Exp. Med., vol. XXXII, pp. 745-766. 



35. Burrows, M. T. 1923. The Experimental Production of Malignant Ulcers 

 in the Rat. Mo. State Med. Jour., vol. XX, pp. 145-147. 



36. EwiNG, J. 1919. Neoplastic Diseases. Philadelphia and London. 



37. L. H. Jorstad. A Study of the Behavior of Coal Tar in the Tissues. Proc. 

 of the Soc. Exp. Biol, and Med., Oct. 1923. 



