NO. 1270. ANEWCHILOPODFROMVTAH—CHAMBERLIN. 799 
Legs hirsute, with long straight bristles; anal pair very long, slen- 
der, not at all crassate (fema'le); all feet provided each with three 
claws, the middle one long and slender. 
Coxal pores in one series, round and large; arranged in a rather 
deep furrow or excavation on the posterior side of the coxa, so that 
they are mostly invisible in the supine position of the animal; 3, 8, 
3, 3-4, 5, 5, 4. Genital forceps of the female with the claw long, 
pointed, and incurved, without any trace of lateral lobes; basal spines 
2-2 or 2-3, stout, conical, the inner spines smallest, in most bent out- 
ward above. 
Length of body, 11.4—12.6 mm.; width, 1.5-1.7 mm.; length of 
antennae, 5.6-6 mm.; of anal legs, 6-6.5 mm. 
Juvenis^ — Ground color light brown to yellow, but this mostly 
hidden by the violet from beneath, the head appearing purple, often 
very dark; ventral plates likewise violet or lavender, the color becom- 
ing deeper posteriorly; antenna; light brown or yellow. 
Articles of antennae 31-36. Prosternal teeth 3-3. Coxal pores 
moderately large, the groove in which situated more shallow than in 
mature form, 2, 2, 2, 2-3, 3, 3, 3. Genital forceps short; claw short 
and pale; basal spines 2-2, short conical points. 
Length of body, 8-8.4 mm.; width, 1.2 mm.; length of antennae, 
4.6 mm.; of anal legs, 4-4.2 mm. 
. Irn'matunis. — Color yellowish brown, the head darker; legs and 
antennae smoky white. 
In the one specimen of this form obtained the 40 articles of the 
antennae are already present, ver}'^ short, the individual being doubt- 
less exceptional. Prosternal teeth not yet evident. Ocelli distinct, 
considerably larger than in pullus. External genital appendages not 
yet formed, but visible as incipient buds. Coxal pores 2, 2, 2, 2, 
porigerous surface scarcely depressed. 
Length of body, 5.5 mm.; width, .65 mm.; length of antennjfi, 2.5 
mm. ; of anal legs, 1 mm. 
PuUui<. — The pulli obtained are of the stage possessing 12 pairs of 
developed legs, with the remaining pairs appearing as buds. Dorsal 
plates 12. 
Color 3^ellow; antennae and legs white. Articles of the antennae 
25-32. Ocelli small, colorless. Coxal pores 1, 1, 1, 1, very small. 
Length of body 3—1.6 ram.; length of antennae 2.1-2.5 mm. 
ryi>6^— U.S.N.M., No. 787. 
Habitat. — Wahsatch Mountains at elevations from 6,000 to 10,000 
feet above sea level. Under wood and stones along streams, about 
springs, and near melting snow, but also not uncommon under the 
fallen logs of the pine and quaking aspen forests away from running 
' The terms indicating immature stages of growth are here used as by Latzel. See 
Die Myriapoden der Ost.-Ung. Monarchic, Pt. 1, pp. 27, 38. 
