TAMA. 351 
TAMA. 
Tama, EK. Simon, Ann. Mus. Civ. Genova, xviii. p. 256 (1882). 
Type 7. edwardsi (Lueas). Algeria. 
The genus Tama differs from Hersilia of Savigny in having the protarsi of all four 
pairs of legs uniarticulate. The apical segment of the posterior pair of spinners is 
exceedingly long, as in Hersilia, but thus differing from Hersiliola, E. Simon. The 
protarsi, however, of Tama are very weak at about the same point where they are 
articulate in Hersilia, a weakness which will probably in time produce a definite 
biarticulation. 
The maies of the two species known to me may be distinguished as follows :— 
a. Central lamelliform process of bulb of palpus concave, the upper 
portion somewhat hammer-headed, the lower portion not sharply 
pointed . ..... Loe Le es » . « . mexicana, O. P.-Cambr. 
b. Central lamelliform process of bulb of palpus concave, but the upper 
portion not hammer-headed, the lower portion sharp, with a deep 
circular emargination between. . . . . . « «© 1 e es . forcipata, sp. n. 
1. Tama mexicana. (Tab. XXXIII. figg. 5, ¢; 6, 6a-c, 2.) 
Hersilia mexicana, O. P.-Cambr, Biol. Centr.-Amer., Arachn. Aran. i. p. 107, t. 14. figg. 6, 6 a-c 
(3),77a(2)°. 
Tama mexicana, Banks, Proc. Calif. Acad. Sci. (3) i. p. 211”. 
Type 3d, gynetype 9, in coll. Godman & Salvin. Totallength, g¢ 5°75, 2 8 millim. 
Hab. Mexico, Amula (H. H. Smith!); Panama, Bugaba (Champion). 
No definite locality was given by Banks ?. 
2. Tama forcipata, sp.n. (Tab. XXXIII. fig. 7, ¢.) 
Type, d,in coll. Godman & Salvin. Total length 5°5 millim. 
Hab. GuatEMALA (Sarg). 
- The difference between this species and 7. mexicana has been pointed out in the 
Table, and can be clearly seen by reference to the figures. 
NOTE. 
In placing the various families of cribellate forms of the Aranee together in the 
present work, it must be understood that this arrangement is made simply for 
convenience of reference, since all the species included in them possess at least one 
character in common, viz. a cribellum and correlated calamistrum. With regard to 
their true systematic position, two theories may be advanced:—(1) The cribellum, 
