12 
Psyche 
[March 
Frankfurt (SMF) ; Dr. E. S. Ross of the California Academy of 
Sciences (CAS) ; Dr. H. Exline (Mrs. D. Frizzell) for specimens 
from northern Peru and Ecuador collected by herself and others; 
Dr. R. X. Schick of California; Miss H. Zapfe (Mrs. G. Mann) 
of Santiago de Chile; Dr. J. Abalos of Santiago del Estero and Prof. 
H. Stahnke of Arizona. A trip to European museums to examine 
types was made possible by a National Science Foundation Grant 
(G-4317) and the research was supported by a grant from the 
National Institutes of Health (E-1944). 
Enoplognatha Pavesi 
Enoplognatha Pavesi, 1880, Ann. Mus. Civ. Stor. Nat. Genova, vol. 15, p. 325. 
Type species by original designation and monotypy Theridion mandibular e 
Lucas. 
Diagnosis. Medium sized to large theridiid spiders. Enoplognatha , 
like Steatoda, has a large colulus and a subspherical abdomen. Females 
have a tooth on the posterior margin of the chelicerae. Males usually 
have enlarged chelicerae, with enlarged teeth and have the paracym- 
bium on the margin of the cymbium (Levi and Levi, 1962). 
Species misplaced. Enoplognatha dubia Chamberlin, 1916 — Ane- 
losimus studio sus (Hentz, 1850). Enoplognatha triangulifera Simon, 
1902 = Aimlosimus recurvatus (Tullgren, 1901). 
Map 1. Distribution of South American Enoplognatha species. 
Key to American Species of Enoplognatha 
1 a. Species found in South America 2 
lb. Species found in north of Mexico 5 
