216 BULLETIN: MUSEUM OF COMPARATIVE ZOOLOGY. 
of all metatarsi there are four spines in the lower row of bristles and 
four also in the upper. On the posterior surface of metatarsus I 
there are four spines in the lower row and four in the upper; on 
metatarsus II there are four and three respectively; on III five and 
three; and on IV, four and three. 
Abdomen, (Plate 10, fig. 1), covered with small scattered groups 
of short, curved, stiff bristles and over whole surface uniformly with 
very short hair. 
Spinnerets small, dark brown, removed from end of abdomen in 
usual way. Colulus thin, pale, almost half as long as spinnerets. 
Female. Length, 18.3 mm. Length of cephalothorax, 7.3 mm.; 
width, 7.6 mm.; width in front, 3.4 mm. 
fem. tib.-++pat. met. tar. total 
Leg I 8mm 10.5mm. 5.8mm. 3.8mm. 28.1 mm. 
Leg II 8.6 10.8 6.3 3.6 29.3 
Leg II 8.5 10.0 5.7 3.8 28.0 
Leg IV 8.2 9.8 5.8 3.8 27.6 
Tibia I, 78mm. Tibia IV, 7 mm. 
Locality — Santa Ana, 3,500 feet, August. (Type, M. C. Z. 165, 
female). 
DYSDERIDAE. 
ARIADNA HOTCHKISSI, sp. nov. 
Plate 10, fig. 4, 5. 
Carapace dusky brown or fuscous, not adeolate. Sternum, cheli- 
cerae and coxae of palpi dusky, not areolate or only slightly so; labium 
darker, nearly black. Abdomen beneath dark grey; above obscurely 
mottled with partly confluent small areas of dusky purple, a more 
solid median longitudinal stripe at base; hairs long and short, numer- 
ous, dark. 
Eyes large, the medians and laterals equal or very nearly so. Line 
formed by two anterior lateral eyes shorter than the posterior in ratio 
17:15. Median eyes contiguous, their diameter or a little less from 
the laterals. Lateral eyes contiguous, (Plate 10, fig. 4). Clypeus 
equal in width to the diameter of an anterior lateral eye or a little 
narrower. 
Chelicerae short; smooth. 
