256 
Psyche 
[December 
Rohdendorf, B.B., et al. 
1962. Osnovy Paleontologii. Akad. Nauk USSR, pp. 1-560. [Russian]. 
Tillyard, R. J. 
1924. Kansas Permian insects. Part 3. The New Order Protohymenop- 
tera. Amer. Journ. Sci. 8 :1 11-122. 
1926. Kansas Permian insects. Part 16. The Order Plectoptera (contd) : 
the family Doteridae, with a note on the affinities of the Order 
Protohymenoptera. Amer. Journ. Sci. 32:435-453. 
1937. Kansas Permian insects. Part 17. The Orders Megasecoptera and 
additions to the Palaeodictyoptera, Odonata, Protoperlaria, Cope- 
ognatha and Neuroptera. Amer. Journ. Sci. 33: 81-110. 
