7 » 
Psyche 
[March 
Petiolar node as seen from above with a straight or convex 
posterior margin; mandibles not as in Fig. 6; no carina on post- 
petiolar dorsum 4 
4. Same as couplet 3 of worker key, above: major vs. clavicornis. 
Note: T. foreli is not included in the key. It may be the female 
of T. major. 
Acknowledgements 
I am indebted to my colleagues G. Grandi, F. Keiser, W. W. 
Kempf and C. Portocarrero for the opportunity to review important 
material in their care. This project was supported by National 
Science Foundation Grants G-23680 and GB-2175, and publication 
was aided by a grant from the Grace Griswold Fund, Department of 
Entomology and Limnology, Cornell University. 
References Cited 
Brown, W. L., Jr. 
1950. Morphological, taxonomic and other notes on ants. Wasmann 
Jour. Biol., San Francisco, 8: 241-250. 
1953 (1952). Composition of the ant tribe Typhlomyrmicini. Psyche, 
59: 104. 
1958. Contributions toward a reclassification of the Formicidae. II. 
Tribe Ectatommini (Hymenoptera). Bull. Mus. comp. Zool. 
Harv., 118: 173-362. 
Emery, C. 
1911. Ponerinae, in Wytsman, Gen. Insect., 118: 125 pp. and 3 pi. 
Kempf, W.W. 
1961. A survey of the ants of the soil fauna in Surinam (Hymenoptera: 
Formicidae). Studia Ent., Petropolis, Brazil, 4: 481-524. 
Wheeler, G. C., and J. Wheeler 
1952. The ant larvae of the subfamily Ponerinae — Part I. Amer. 
midi. Nat, 48: 111-144, 5 pi. Part II. Ibid., pp. 604-672, 2 pi. 
1964. The ant larvae of the subfamily Ponerinae: Supplement. Ann. 
ent. Soc. Amer., 57: 443-462, 19 figs. 
