PETRUNKEVITCH, AMERICAN SPIDERS 
215 
Legs 
Femur 
Pat. + Tib. 
Metatar. 
Tarsus 
Total 
I 
2.80 
2.80 
1.28 
0.56 
7.44 
II 
2.40 
2.40 
1.20 
0.56 
6.56 
III 
1.60 
1.20 
0.96 
0.56 
4.32 
IV 
3.12 
2.40 
1.76 
0.64 
7.92 
Side view of abdomen, Plate XXI, fig. 15; epigynum, Plate XXI, fig. 14. 
Patria: Poco Grande, Brazil. 
Collection: A. Petrunkevitch. Four mature females collected by 
Prof. W. J. Moenkhaus. 
15. Micrathena clypeata Walckenaer, Tabl. Aran., p. 67. 1805. 
One mature female from Rio Uaupes on the boundary between Colombia 
and Brazil. This species was first described by Walckenaer and not by 
C. Koch, as supposed by Simon. 
Collection: American Museum. 
16. Micrathena spatulifera Simon, Hist. Nat. Araign., vol. i, p. 852, fig. 
912, 1895. 
Two mature females from Ecuador. 
Collection: American Museum. 
17. Micrathena patruelis C. Koch (sub Acrosoma), Die Arachniden, vol. vi, 
p. 130, pi. 210, fig. 524, 1839. 
Two mature females of this species were collected in 1897 by Prof. W. J. 
Moenkhaus at Poco Grande, Brazil, in the Province of Sao Paulo. 
Collection: A. Petrunkevitch. 
18. Micrathena bifurcata Hahn (sub Acrosoma), Die Arachniden, vol. ii, 
p. 65, pi. 68, fig. 158, 1834. 
Two mature females from Poco Grande. 
Collection: A. Petrunkevitch. 
19. Micrathena crassispina C. Koch (sub. Acrosoma) Die Arachniden, vol. 
iii, pi. 92, fig. 209, 1836. 
One mature female from Poco Grande. 
Collection: A. Petrunkevitch. 
20. Micrathena gladiola Walckenaer, Ins. Apt., vol. ii, p. 182, 1842. 
Many mature females from nests of mud-dauber wasps, from Poco 
Grande. 
Collection: A. Petrunkevitch. 
