Color in alcohol. Carapace: nearly uniformly reddish brown, covered by many white hairs to give a grayish appearance; eyes on black spots. Palps yellowish white. Chelicerae reddish brown; maxillae and lip much the same with whitish tips. Sternum brown. Legs: first pair with reddish brown trochanters and femora, tarsi brown, other segments yellowish white with reddish brown markings, coxae with a single small prolateral and retrolateral spot, patellae reddish brown at base and with a distal dorsal spot, tibiae with a dorsal and a prolateral stripe on each; second leg yellowish white with reddish brown markings the most important of which are a broad prolateral femoral stripe becoming a bar across tip of femur and base of patella and then continuing as a prolateral stripe to tip of tibia, also a narrow dorsal tibial stripe in distal half; other legs somewhat like second with variations. Abdomen: reddish brown with four pairs of dorsal light spots in anterior three fourths; lateral sides brown with many narrow yellowish dotted lines; venter dark brown from genital groove to base of spinnerets bounded on each side by a row of yellowish dots and bearing centrally two more rows of yellowish dots.
Type locality. Male holotype from Canal Zone Biological Area, June, 1939; female allotype from the same locality, Aug., 1936. Numerous paratypes of both sexes from: Canal Zone Biological Area, June–July, 1934; June–July, 1936; June–July, 1939; El Valle, R. P., July, 1936; Chilibre, C. Z., July, 1939; C. Z. Forest Reserve, C. Z., Aug., 1939; El Cermeno, R. P., Jan.–Feb., 1940 (Zetek).
Peckhamia Group
Genus Peckhamia Simon, 1901
Only Peckhamia variegata (F. Cambridge) has been previously known from Panama. Peckhamia prescotti sp. nov. must now be added to the list. The two species may be separated by the following key:
Key to the species of Peckhamia
Males
1. Palp: diameter of circle in distal part of bulb nearly half as great as length of bulb itself; embolus terminally long and slender. . . . . P. prescotti (p. 415)
1. Palp: diameter of circle in distal part of bulb about one third as great as length of bulb itself; embolus with a distinct terminal enlargement. . . . . P. variegata, (p. 418)
