216 
ANNALS NEW YORK ACADEMY OF SCIENCES 
21. Micrathena bifissa Keys (sub Acrosoma), Spirmen Amerikas, Epeiri- 
clae, p. 30, pi. 1, fig. 27, 1892. 
Five mature females from Poeo Grande. 
Collection: A. Petrunkeviteh. 
22. Micrathena acuta 'Walckenaer (sub Plectana), Ins. Apt., vol. ii, p. 172, 
1842. 
Four mature females from Poeo Grande. 
Collection: A. Petrunkeviteh. 
23. Micrathena armata Olivier (sub Aranea), Encvcl. Method, vol. iv, p. 
205, 1791. 
Two immature females from the virgin forest in the Cockpit of .Jamaica, 
W. I. I found them hanging in the center of their webs some 10 feet above 
O e? 
ground. Collected in May, 1905. 
Collection: A. Petrunkeviteh. 
THOMISIIXE. 
24. Epicadinus tuberculatus sp. nov. 
Plate XXII, Figs. 20, 21, 22. 
Total length, 10.5; cephalothorax, 4.4 long, 4.6 broad at its broadest place, 
only l.S broad in front; abdomen, 6.1 long, trifid; sternum longer than broad, its 
anterior end with a semicircular notch; both margins of chelse with two teeth: lip 
a little longer than broad, scarcely reaching middle of laminae; elypeus very high, 
AM sitting a little over middle of forehead: anterior eye row strongly recurved, 
posterior procurved, broader than anterior : quadrangulus, longer than broad, nar¬ 
rower in front; eyes of first row nearly sequidistant, AM smaller than AL: posterior 
middle eyes farther apart from each other than from posterior side eyes; legs in order 
1243. 
Legs 
Femur 
Pat. + Tib. 
Metatar. 
Tarsus 
Total 
I 
4.3 
5.2 
2.1 
1.4 
13.0 
II 
3.8 
4.8 
1.9 
1.2 
11.7 
III 
1.9 
2.9 
1.1 
0.9 
6.S 
IY 
2.3 
2.9 
1.1 
1.0 
7.3 
Legs of two front pairs considerably heavier than the four hind legs; spines only on 
HYS of tibiae and metatarsi of two front pairs, as follows: in tibiae of both pairs a 
row of 3 pro- and 3 retro-spines, on first metatarsi a row of 3 pro- and 4 retro-spines, 
on second metatarsi a row of 4 pro- and 3 retro-spines; arrangement of trichobothria 
as follows: first and second legs have 2 trichobothria surrounded by black scales at 
end of tarsus and 4 at end of metatarsus, also 3 at base of tibia, third leg has 4 tri- 
