234 
Psyche 
[December 
gurahua: Banos (H. E. Frizzell) ; Punapi (H. E., D. L. Frizzell). 
Guayas: Milagro (H. E., D. L. Frizzell). Peru. “San Martin” 
(J. C. Pallister). Pium: Bellavista, Prov. Jean, (D. L. Frizzell). 
Brazil. Maranhao : Sao Luis (A. M. Nadler, AMNH). Pernam- 
buco: Recife (A. M. Nadler, AMNH). Espirito Santo: Santa 
Teresa (A. M. Nadler, AMNH). Sao Paulo: Sao Paulo (A. M. 
Nadler, AMNH) . Paraguay. San Luis [?]. 
Ghrysso melba sp. n. 
Figure 79 
Type. Male from Summit, Panama Canal Zone, July 21-29, 1950 
(A. M. Chickering) in the Museum of Comparative Zoology. The 
specific name is an arbitrary combination of letters. 
Description. Yellow-white with a dusky median band on carapace, 
ends of femora, on patella, and distal ends of tibiae and metatarsi. 
Dorsum of abdomen with two rows of about ten dusky bars. Eyes 
subequal in size; anterior median eyes, one and one-third diameters 
apart, their radius from laterals. Posterior median eyes one and one- 
half diameters apart, a little more than one from laterals. Chelicerae 
with two teeth on anterior margin. Abdomen longer than wide or 
high; highest above spinnerets. Total length 2.2 mm. Carapace 1.0 
mm long, 0.9 mm wide. First femur, 3.5 mm; patella and tibia, 3.5 
mm; metatarsus, 3.7 mm; tarsus, 1.2 mm. Second patella and tibia, 
2.0 mm ; third 0.9 mm ; fourth, 1.7 mm. 
Diagnosis. The palpal structure (Fig. 79) separates this species 
from C. clementinae. 
Ghrysso alecula sp. n. 
Figures 82, 83 
Type. Female from El Valle, Panama, July 1936 (A. M. Chicker- 
ing) in the Museum of Comparative Zoology. The specific name is 
an arbitrary combination of letters. 
Description. Yellow-white with a dusky median band on carapace, 
small dark spots on venter of legs and white pigment spots and some 
dusky marks on dorsum of abdomen. Eyes subequal in size. Anterior 
median eyes their diameter apart, one-fourth from laterals. Posterior 
median eyes one-half diameter apart, one-fourth from laterals. Shape 
of abdomen like that of C. silva (Fig. 86). Total length of female, 
1.6 mm. Carapace, 0.68 mm long 0.65 mm wide. First femur, 1.71 
mm; patella and tibia, 1.61 mm; metatarsus, 1.43 mm; tarsus, 0.50 
