POLYEMBRYONY AND PARTHENOGENESIS 137 



4. Pseudoplacento-viviparity. — Viviparity following the development 

 of pseudoplacental organs, e.g., Hemimerus (Diploglossata), Hesperodenes 

 (Heteroptera). 



References 



Polyembryony: Bugnion (1891), Daniel (1932), Ferriere (1926), Gatenby (1918), 

 Hill (1922-1937), Howard (1906, 1917, 1925), Leiby (1922, 1926, 1929), Leiby and 

 Hill (1923-1926), Marchal (1897-1906), Martin (1914), Noskiewicz and Poluszynski 

 (1935), Parker (1931), Patterson (1915-1927), Riley (1907), Silvestri (1906-1937), 

 Waterston (1920). Reviews on this subject are given by Gatenby, Leiby (1929), 

 Patterson (1927), and Silvestri (1937). 



Parthenogenesis: Barber (1913), Blochmann (1889), Bugnion (1931, 1932), Butt 

 (1936), Cappe de Baillon et al. (1939), Gabritschewsky (1928, 1930), Gilmore and 

 Whiting (1931), Goldschmidt (1917, 1931), Grandori (1924, 1930), Grimm (1870), 

 Hagan (1931), Harrison (1933), Hegner (1914), Harris (1924, 1925), Hertwig (1920), 

 Hewitt (1906), Hughes-Schrader (1924, 1930), Johannsen (1910, 1911, 1937), Jucci 

 (1926), Kahle (1908), King and Slifer (1932, 1933), Lemoine (1887), Leuckart (18586, 

 1865), Meinert (1864), Metschnikoff (1865), Niceti (1930), Pagenstecker (1864), 

 Parker (1922), Parker (1931), Phillips (1903), Schneider (18856), Scott (1938), Shull 

 (1930), Siebold (1856, 1864), Silvestri (1908a), Smith (1938), Strindberg (1919a), 

 Uichanco (1924), Ulrich (1936), Vance (1931), Wagner (1865), Winkler (1920), 

 Zavrel (1926). Reviews on this subject are given by Hewitt, Phillips, and Winkler. 



