122 
Psyche 
[June 
Lave the swollen part but little longer than the curved 
stalk; the tibia is strongly swollen, with a fairly long 
stalk, the tarsus also has a distinct thin stalk before the 
bulb, the part beyond long and tapering. The hind legs 
are about as long as body, the trochanter very long, 
nearly or quite as long as the femur, latter swollen in 
middle, tapering each way to the short stalk, the tibia 
has a less swollen part at tip, with a stalk more than 
twice as long, the tarsus has a short stalk before the 
bulb, a long and very slender part beyond. The third 
legs have the very long tarsus, but the tibia is only about 
one-half of tarsus. The legs are not especially hairy, 
the long hair of front tibia much before tip and scarcely 
longer than the joint. 
Length of body .4 mm. 
Two specimens from Duke Forest, North Carolina 
(Pearse), #238, January, and March-April. Type 
M.C.Z. Arachn. 3011. 
The mite, at first, with very long hind legs resembles 
Oribata angustipes, the front legs, however, are very 
different, and in the hind legs the femur is much shorter 
than in angustipes. 
Oppiella apicalis Jacot 
Figs. 14, 17 
The specimens from Duke Forest have the tip of 
cephalothorax more acute than in the typical form. The 
seta shows a head distinctly longer than in Jacot ’s fig. 4, 
with a few short hairs near tip, possibly others toward 
base. Probably it will be best to consider the subspecies 
of 0. corrugata which Jacot describes, apicalis , squarrosa , 
the form mentioned by Jacot from Great Falls, Va., and 
the one figured here as only some of the forms of a 
variable species, Oppiella apicalis (which has prece- 
dence). 
Autogneta arnica Jacot 
Figs. 19, 21 
One specimen from Duke Forest, Durham, N. Car. 
The legs are short and slender ; the base of the tarsus 
is sunk into the concave apex of the tibia in all legs, hut 
