320 CHAPTER XXVI. 



acid, however, still swells and dissolves it, though with 

 difficulty. 



Chromatin resists the action of digestive fluids much 

 longer than the albumins do ; so that a moderate digestion 

 serves to free the chromosomes from anycaryoplasmic granula- 

 tions that may obscure them, whilst at the same time it clears 

 up the cytoplasm. Umna [Monatschr. praM. Derm., xxxiii, 

 1901, p. 342) digests tissues in solutions of sodium chloride, 

 to remove the granoplasm. 



For Glycogen see Obeighton, Tlie Formative Property of Glycogen, 

 London, 1896; G-age, Trans. Amer. Micr. Sue, xxfiii, 1908, p. 203; 

 Kato, Arch. Ges. Fhys., cxxvii, 1909, p. 125 ; Best, Zeit. wiss. Mihr., 

 XX, 1904, p. 358, and xxiii, 1909, p. 319 ; Busch, Arch. Intern. Phys., iii, 

 1905, p. 51 ; Mayer, Zeit. iviss. Mihr., xxvi, 1909, p. 613 ; Arnold, 

 Sitzb. Heidelberg. Acad. Wiss., 1909, p. 1, 1910, p. 3, and 1911, 14 Abh. ; 

 Arch. Path. Anat., oxciii, 1908, p. 175 ; Arch. mik. Anat., Ixxiii, 1909, p. 

 265 ; Ixxvii, 1911, p. 346 ; Beitr. path. Anat., 11, 1911, p. 439 ; Frabnkel, 

 Virchow's Arch., 1911, p. 197 ; Ziegwallsteb, Zeit. wiss. Mik., xxviii, 

 1911, p. 152 ; Neubebt, Seitr. path. Anat., xlv, 1909, p. 38 ; Erhaed, 

 Arch. Zellforsch., viii, 1912, pp. 447 and 507 ; Ehblich and Lazabtjs, 

 Die Anaemie, 1898, p. 30 ; Pekblhabing, Petrus Camper, Deel I, 1901, 

 p. 231 ; Dbibssbn", Zeit. wiss. Mile, xxii, 1905, p. 422 ; Pischeb, Anat. 

 Anz., xxvi, 1905, p. 399 ; Pibssingee, C. B. Soc. Biol., Ixvi, 1909, p. 183 ; 

 Nexjkibch, Arch. path. Anat., cc, 1910, p. 82 ; Vastarini-Cebsi, Att. 

 Ace. Med. Chir. Napoli, xli, 1907, p. 350, and xliii, 1909, p. 109 ; 

 SiLBBEMANN and OzOBOWiTZ, Bull. Soc. Sci. Bucarest, xvii, 1908, p. 43. 



For Phosphorus see Macalltjm, Proc. Boy. Soc, Ixiii, 1898, p. 467 ; 

 HElifE, Zeit. Phys. Chemie, xxii, 1896, p. 332; Bbnslby, Biol. Bull. 

 Wood's Holl, X, 1906, p. 62 ; Scott, Journ. Phys. Cambridge, xxxv, 1906, 

 p. 119. 



For Iron see Macalltjm, Ergeb. Phys. Wiesbaden, vii, 1908, p. 565 ; 

 TiBMANN", Goerbersdorfer Veroeffentl., ii, 1898, p. Ill ; Macalltjm, Quart. 

 Jotun. Micr. Sci., xxxviii, 1895, p. 175 ; Schneideb, Mitth. Zool. Stat. 

 Neapel, xii, 1895, p. 208 ; Caenoy and Lebbtjn, La Cellide, xii, 1897, 

 p. 275 ; Stjmita, Arch. path. Anat., cc, 1910, p. 230; Zaleski, Zeit. 

 Phys. Chemie, xiv, 1890; Wasseemann, Anat. Hefte, xlii, 1910, p. 283. 



For Copper see BoYCB and Heedman, Proc. Boy. Soc., Ixii, 1897, p. 

 35 ; Macalltjm, Journ. Phys. Cambndge, xxii, 1897, p. 92 ; Mabfobi, 

 Arch. Ital. Biol, xxx, 1898, p. 186. 



For Zinc see Mendel and Beadlby, Amer. Journ. Phys., xiv, 1905, 

 p. 320. 



For Lime salts see Geandis and Mainini, Arch. Ital. Biol., xxxiv, 

 1900, p. 75; ScHAFPEB, Zeit. uiss. Zool., Ixxxix, 1908. p. 13; Letttebt, 

 Encycl. mihr. Technik, ii, p. 588; Stoeltznbe, Arch. path. Anat., clxxx, 

 1905, p. 363 Macallum, Ergeb. Phys. Wiesbaden, vii, 1908, p. 612. 



