242 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
LEUCAUGE MARIANA (Keyserling). 
Meta mariana Keyserling, Verh. Zool. bot. ges. Wien, 1880, 30, p. 560, pl. 16, 
tf. 10: 
Argyroepeira mariana Keyserling, Spinnen Amerikas. Epeiridae, 4, 1893, 
p. 345, pl. 18, f. 10. 
Locality.— Conservidayo River, August. (M. C. Z. 211, one fe- 
male). Previously known from Amable Maria and Lima, Peru. 
LEUCAUGE IDONEA O. P. Cambridge, var. 
Argyroepeira idonea O. P. Cambridge, Biol. Cent. Americana, 1889, 1, p. 4, 
pole ester. 
Locality.— Panama, June. (M. C. Z. 212, three females). 
META EXPLORANS, sp. nov. 
Plate 18, fig. 5. 
Carapace yellow with a brown ocellate spot on each side of head, a 
brown line from each spot extending to the thoracic groove. Sternum 
black. Legs brown, typically with femora marked with one or two 
dark annuli at distal end; patellae with one dark annulus; tibiae with 
three dark annuli and metatarsus with two. Sides of dorsum of 
abdomen silvery white covered with a network of fine dark lines, the 
median portion crossed by a rather narrow dark band extending from 
spinnerets to anterior third or fourth of length, widening cephalad, its 
lateral edges wavy and the anterior margin arcuate and in front of it 
often an inverted v-shaped mark; sides and anterior face of abdomen 
dusky but showing the same areolation as the lateral portions of dor- 
sum; venter of abdomen with a median longitudinal blackish brown 
band between spinnerets and genital furrow, this bordered on each 
side by a white, finely areolated stripe. 
Posterior row of eyes slightly recurved; median eyes five sixths 
their diameter apart, one and a third their diameter from the laterals. 
Lateral eyes on each side contiguous; anterior with diameter exceeding 
that of posterior in ratio 7:5. Anterior row of eyes recurved; median 
eyes equal to the posterior medians, two thirds their diameter apaft, 
once and a half their diameter from laterals. Median eyes once and 
