510 INTRODUCTION TO CYTOLOGY 



1924a. Zeitschr. Ind. Abst. Vererb. 33: 317-347. [Species hybrids.] 



19246. Biol. Zentralbl. 44: 309-336. illus. [Variegation.] 



1925a. Untersuchungen liber die faktorielle Konstitution einiger Komplex-hetero- 



zygotischer ffinotheren. Leipzig. 

 19256. Bibliotheca Genetica 9. 168 pp. illus. 



1929. Artbastarde bei Pflanzen. Berlin. 



Renner, O., and W. KuppER. 1921. Ber. Deu. Bot. Ges. 39 : 201-206. 

 Reuter, E. 1909. Acta Soc. Sci. Fennicae 37 : 1-52. [Merokinesis.] 



1930. Acta Zool. Fennica 9 : 1-487. illus. 



Reznikoff, P., and H. Pollack. 1928. Biol. Bull. 55 : 377-382. [pH.] 

 Rhoades, M. M. 1931a. Science 73 : 340-341. [Cytoplasm in sterile Zea.] 



19316. Proc. Nat. Acad. Sci. 17: 694-698. [Zea, linkage.] 



1931c. Genetics 16 : 490-504. [Translocation.] 



1932. Proc. Nat. Acad. Sci. 18 : 481-484. [Crossing-over.] 



1933. Jour. Genetics 27: 71-93. [Cytoplasm in sterile Zea.] 



Rhumbler, L. 1896-1903. Roux's Arch. Entw. 3 : 527-623, pi. 26; 4 : 659-730, pi. 38; 



7: 535-554, pi. 12; 8: 187-238, 28 figs; 16: 476-535, 36 figs. 

 Rich, A. R. 1926. Johns Hopkins Hosp. Bull. 39: 330-365. [Dutrochet.j 

 Richards, A. 1916, 1917. Science 43: 178. Biol. Bull. 32: 249-290. 4 pis. 

 Richards, O. W. and G. W. Taylor. 1932. Biol. Bull. 63: 113-128. 

 Richardson, C. W. 1914. Jour. Genetics 3: 171-178. See also 13: 147-152. 

 Richardson, E. 1929. Nature. London. Oct. 12. [Pisum.] 

 Rickett, H. W. 1923. Ann. Botany 37 : 225-260. pis. 3, 4. [Sphcerocarpos.] 

 Riddle, O. 1914. Bull. Amer. Acad. Med. 15. [Sex control.) 



1916. Amer. Naturalist 50 : 385-410. [Sex control.] 



1917a. Jour. Wash. Acad. Sci. 7: 319-356. [Sex Control] 



19176. Science 46: 19-24. [Sex control.] 



1920. Proc. Soc. Exp. Biol. Med. 18: 88-91. [Sex control.] 



1924. Amer. Naturalist 58: 167-181. 1 fig. [Sex control.] 



1927. Zeitschr. Sexualwiss. 1: 193-218. [Sex reversal.] 



Riddle, O., and A. A. Spohn. 1912. Science 35 : 462-463. [Sex control.] 

 Riddle, O., and E. H. Behre. 1921. Amer. Jour. Physiol. 57: 228-249. [Sex.] 

 RiGG, G. B. 1924. The Pharmacist's Botany. New York. [Pigments.] 

 Riker, a. J. 1921. Bull. Torr. Bot. Club 48: 141-148. pi. 3. [Chondriosomes.] 

 Ritter, G. 1911. Zeitschr. f. Bot. 3: 1-42. [Streaming.] 

 Ritter, G. J. 1925. Indus. Eng. Chem. 17: 1194. [Lignin.] 



1928. Indus. Eng. Chem. 20 : 941-945. illus. [Cell wall structure.] 

 Ritter, W. E. 1919. The Unity of the Organism. Boston. 



Ritter, W. E., and E. W. Bailey. 1928. Univ. Calif. Publ. Zool. 31: 307-358. 

 Rivett, M. F. 1918. Ann. Botany 32: 207-214. pi. 6. 3 figs. [Oil bodies.] 

 Robbins, W. J., and H. W. Rickett. 1929. Botany. New York. 

 Roberts, H. F. 1929. Plant Hybridization before Mendel. Princeton. 

 Robertson, A. 1904. New Phytol. 3 : 205-216. pis. 7-9. [Torreya.] 

 Robertson, T. B. 1908. Jour. Biol. Chem. 4: 1-. 



1920. Principles of Biochemistry. Philadelphia and New York. 



1923. The Chemical Basis of Growth and Senescence. Philadelphia. 

 Robertson, W. R. B. 1915. Jour. Morphol. 26: 109-141. pis. 1-3. [Synapsis.] 



1916. Jour. Morphol. 27: 179-332. pis. 1-26. [Meiosis.] 



1919. Proc. Amer. Soc. Zool., Dec. 1919. 



1920. Anat. Rec. 17: 329. [Presynaptic split.] 



1921. Anat. Rec. 20: 199. [Chromatid arrangement.] 



1925. Anat. Rec. 31 : 307-308. [Parthenogenetic Tettigidae.] 



