102 PALEONTOLOGY 



arisen from Mecopteroid ancestors, and the origin of the latter 

 may have been from a speciahsed Palaiodictyopterid stock (Paolia 

 or alhes). The relationships of the Hymenoptera are unknown, 

 while those of the Coleoptera are very uncertain, but may have 

 been, through Protocoleoptera, from the Protorthoptera. 



Literature 



Carpenter, 1980. Psyche, XXXVII., 343. 



1930a. JJull. Mus. Comp. Zool. Harvard., LXX., 09. 



1931. Am. Jouru. Sci., XXL, 97. 



1933. Proc. Am. Acad. Sci. and Arts, LXVIIL, 411. 



1935. Ibid., LXX., 103. 

 Forbes, 1928. Psijchc, XXXV., 32. 

 Handlirsch, 1908. " Fossilen Insekten." Leipzig. 



1925. '• Palajontologie," in Schroder's Handbuch der Entomologie, III., 

 117. 

 Handschin, 192G. Ent. Mitt., Berlin, 161, 211, 330 ; also Zool. Anz., LXV., 



179. 

 Lameere, 1922. Bull. Acad. Roy. Belg., 138. 

 Martynov, 1925. Bull. Acad. Sci. U.K.S.S., XIX., 233, 569, 753. 



1927. Zool. Anz., LXXIL, 99. 



1928. Ann. Mag. Nat. Hist., Ser. X., I., 319. 

 1928a. Trav. Mus. Gcol. Leningrad, IV., 1. 



1930. Ibid., VI., 69. 



1931. Ibid., VIIL, 202. 



Ping, 1928. Palceon. Sinica, XIIL, 1. 



Tillyard, 1924. Proc. Linn. Soc. N.S.W., XLIX., 429. 



1924a. Amer. Journ. Sci., VIIL, 111. 



1925. Ibid., X., 41. 



1925a. Ibid., X., 315. 



1928. Amer. Journ, Sci., XVI., 185, 313. 

 1928a. Trans. Ent. Soc. London, 65. 

 1928b. Rec. Ind. Mus., XXX., 151. 



1929. Nature, May 18th, 



1931. Am. Journ. Sci., XXL, 232. 



1932. Ibid., XXIIL, 1. 



1933. "The Panorpoid Complex in the English Rhfetic and Lias." 

 British Museum (N.H.). 



1935. Ann. Ent. Soc. Am., XXVIIL, 1. 

 1935a. Proc. Linn. Soc, N.S.W., LX., 374. 

 1935b. Ibid., LX., 265. 



1936. Nature, October 24th, 719. 

 1936a. Amer. Journ. Sci., XXXIL, 435. 



1937. Nature, January 9th, 66. 



