242 bulletin: museum of comparative zoology. 



Leucauge MARIANA (Keyserling) . 



Meta tnariana Keyserling, Verb. Zool. bot. ges. Wien, 1880, 30, p. 560, pi. 16, 



f. 10. 

 Argyroepeira mariana Keyserling, Spinnen Amerikas. Epeiridae, 4, 1893, 



p. 345, pi. 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, 

 pi. l,f. 7. 



Locality. — Panama, June. (M. C. Z. 212, three females). 



Meta explorans, sp. nov. 

 Plate 18, fig. 5. 



Carapace yellow with a brown oeellate 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 w^ith 

 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 apart, 

 once and a half their diameter from laterals. Median eves once and 



