382 
Psyche 
[December 
Enteman, W. 1904. Coloration in Polistes. Carnegie Insti- 
tution of Washington. Pub. No. 19. 
Kokouyew, N. 1928. Fragments Braconologiques. Horae 
Soc. Entom. Rossicae, vol. 32, p. 
Macleay. 1830. Explanation of the comparative anatomy of 
the Thorax of Winged Insects. Zool. Journal. Vol. 5, 
pp. 145-179. 
Mayr, G. 1861. Die europseischen Formiciden. Wien. 
1887. Sudamerikanische Formiciden. Verh. zool-bot. 
Ges. Wien, vol. 37, pp. 511-632. 
Morley, C. 1903. The Ichneumons of Great Britain. Keys. 
Plymouth. 
Schmiedeknecht, 0. 1907. Die Hymenopteren Mitteleuropas. 
Jena, G. Fisher. 
Snodgrass, R. E. 1910. The thorax of the Hymenoptera. 
Proc. U. S. Nat. Mus. No. 1774, vol. 39, pp. 37-91. 
Wheeler, W. M. 1910. Ants, their Structure, Development 
and Behavior. New York, Columbia Univ. Press. 
Abbreviations 
me. median line, 
no. notauli. 
pa. parapsides. 
pf. parapsidal furrows, 
pre. prescutum, 
sc. scutum. 
11. parapsides (Macleay’s 
original designation) 
Explanation of Text Figure 
Figure 1. 
Figure 2. 
Figure 3. 
Figure 4. 
Figure 5. 
Portion of the mesonotum of Xiphydria. 
Portion of the mesonotum of Ampulex. 
Portion of the mesonotum of Polistes billardieri 
Fabr. 
Portion of the mesonotum of Myopopone cas- 
tanea maculata Roger. 
Portion of the mesonotum of Paraponera clavata 
F. Sm. 
