148 ARANEIDEA. 
adult is made the type of a species, the name given to it becomes a cumbrance on the 
list, which can neither be omitted as a nomen nudum, nor can ever be satisfactorily 
dealt with. 
3. Xysticus facetus. (Tab. X. fig. 13, 3.) 7 | 
Xysticus facetus, O. P.-Cambr. Biol. Centr.-Amer., Arachn. Aran. i. p. 179, t. 22. fige. 1, 
la-e(g)’. 
Type, d, in coll. Godman & Salvin. Total length 5 millim. 
Hab. Mexico, Cuernavaca in Morelos (H. H. Smith 1). 
4. Xysticus fissilis. 
Aysticus fissilis, N. Banks, Proc. Calif. Acad. Sci. (3) i. p. 258, t. 16. fig. 5 (g) . 
Type, ¢, in Mus. San Francisco. Total length 4°4 millim. 
Hab. Mexico, Tepic }. 
5. Xysticus orizaba. 
XAysticus orizaba, N. Banks, Proc. Calif. Acad. Sci. (8) i. p. 260, t. 16. fig. 6(¢ 9)’. 
Type ¢, gynetype 9, in Mus. San Francisco. Total length 9 millim. 
Hab. Nortu America, California, Agua caliente !.—Mexico, Orizaba 1. 
BASSANTA. 
Bassania, O. P.-Cambridge, Biol. Centr.-Amer., Arachn. Aran. 1. p. 249 (1898). 
Type B. emula, O. P.-Cambr. Mexico. 
This genus falls between Xysticus and Oxyptila, having the eye-formula of the first, 
with the general appearance of the second. It is distinguishable from Xysticus by its 
compressed carapace, not convex at the base of the cephalic area. The body is clothed 
with a dense covering of stout spines, and the legs and spinulation of the tibiz and 
protarsi i. and ii. are similar to those of Oxyptila. 
1. Bassania emula. 
Bassania emula, O. P.-Cambr. Biol. Centr.-Amer., Arachn. Aran. i. p. 249, t. 31. figg. 5, 
5a-f(?)*. 
Type, 2, in coll. Godman & Salvin. Total length 6-5 millim. 
Hab. Mexico, Orizaba (H. H. Smith 1). 
| [OXYPTILA. 
Oxyptila, E. Simon, Hist. Nat. Araign. i. p. 489 (1864). 
Type O. brevipes (Hahn). Europe. 
Legs i. and ii. with the femora spinose, as well as the tibie and protarsi, the latter furnished with lateral 
spines and also with a paired series of spines beneath. Lateral eyes seated on two distinct tubercles, 
