57 
151. Schoenbein. On the Conduct of Blood to Oxygen. Verhandl. d. Naturf. Ge- 
sellsch. Basel, vol. 3, 1863, heft 4, pp. 516-534; also, Journ. Prakt. Chem., vol. 
89, 1863, p. 22. 
152. Schoenbein. On the Catalytic Action of Organic Materials and Their* Distribu- 
tion in the Plant and Animal Kingdoms. Verhandl. d. Naturf. Gesellsch. 
Basel, vol. 3, 1861-1863, pp. 698-721. 
153. Schoenbein. The Oxidizing Action of Blood Corpuscles. Verhandl. d. Naturf. 
Gesellsch. Basel, vol. 4, 1864, p. 410. 
154. Schoenbein. On the Conduct of Hydrocyanic Acid toward Blood Corpuscles and 
to Other Organic IMaterials haAung the Power to Catalyze Hydrogen Peroxide. 
Verhandl. d. Natmd. Gesellsch. Basel, vol. 4, 1864, p. 767. 
155. Schoenbein. IX Communication. Journ. Prakt. Chem., vol. 75, p. 73. 
156. Schorm. Tincture of Guaiacum as a Reagent. Ztschr. anal. Chem., 1870, p. 209. 
157. Schulz. On the Utility of the Siefert Modification of the Guaiacum-Hydrogen 
Peroxide Reaction in the Recognition of Blood Stains. Vrtljhrschrft. f. ger. 
Med., vol. 22, 3. ser., 1901, p. 104. 
158. Schumm. The testing of Feces for Blood. Jena, 1906. 
159. Schumm. Benzidin as a Reagent for Blood. Pharm. Zeit., vol. 52, 1907, p. 604. 
160. Schumm. The Guaiacum Test and Similar Reactions for Blood. Ztsch. f. physiol. 
Chem., vol. 50, 1907, pp. 374-493. 
161. Schumm. Methods for the Recognition of Blood Coloring Matter and Certain 
Coloring Matters Derived therefrom. Arch. Pharm., vol. 247, 1909, pp. 1-27. 
162. Schumm. Investigations on the Recognition of Blood in Urine, by Spectro- 
scopic and Spectro-Chemical Methods. Munch, med. Woch., vol. 55, 1908, 
No. 28, July 14, pp. 1488-1491. 
163. Schumm. On the Benzidin Blood Test. Deut. med. Moch., vol. 33, 1907, 
No. 42, pp. 1741-1742. 
164. Schumm and Westphal. On the Detection of Blood Coloring Matter with the 
Aid of Adler’s Benzidin Test. Ztsch. f. physiol. Chem., vol. 46, 1905, pp. 
510-514. 
165. Schuster. The Guaiacum Reaction and Its Clinical Utility. Inaug. Dissert., 
Bonn, 1890. 
166. Schutzenberg and Risler. Researches on the Oxidizing Power of Blood. Compt. 
Rend., vol. 76, pp. 440-442. 
167. Schwartz. Testing Aqueous Liquids for Blood. Arch. Phai’m., vol. 4, 5. ser., 
pp. 302-323. 
168. Selmi. Mem. Accad. d. Sc. d. Instit. Bologna, vol. 1, 4. ser., 1880, pp. 295-297. 
169. Selmi. On Fallacies in the Van Deen Reaction for the Determination of the 
Presence of Blood. Giorn. Internaz. d. Sc. Med., Napoli, vol. 2, 1880, pp. 
661-663. 
170. Siefert. On the Utihty of the Guaiacum-Hydrogen Peroxide Reaction in the 
Recognition of Blood Traces in Legal Cases. Vrtljrsch. f. ger. Med., vol. 16, 
3. ser., 1898, pp. 1-27. 
171. Siegel. On the Detection of Blood Coloring Matter in Feces. Munch, med. 
IVoch., vol. 33, 1905, pp. 1579-1581. 
172. Silbergleit and Mosse. The Power of Blood to Decompose Hydrogen Peroxide. 
Beitr. klin. Med., Festschrft., 1904. 
173. Sonnenschein. A New Test for Blood. Vrtljhrschr. f. ger. Med., Berk, vol. 17, 
1872, p. 263; also English abstract in Dingler’s Polytech. Journ., vol. 210, 
1874, pp. 59-61. 
174. Spezia. On Van Deen’s Reaction. Gazz. Med. Lomb., vol. 63, 1904, p. 337. 
175. Struve. On the Use of Tannin for the Separation of Blood Coloring Matter 
from Solution. Ztsch. f. anal. Chem., vol. 11, 1872, pp. 29-30. 
