210 
Psyche 
[September 
it, outer edge of fang-groove with a faint carina and sev- 
eral teeth, two near tip longer and more visible from side ; 
fang slightly sinuous, without tooth. Palpi about as long as 
jaws, the tibia a little shorter than tarsus. Legs of moder- 
ate length ; femur swollen at base more than others, tibia 1 
with six pairs of long spines. Sternum narrow, anterior 
coxae nearly touching, second coxae also swollen within. 
Abdomen not constricted, with one large dorsal shield, trun- 
cate before tip, and with little if any indication of a basal 
division. 
Body. — Length 6-7 mm. 
From Mt. Makeling (Baker), Malinao, Tayabas (Baker), 
and Sarai, Paete, Laguna (McGregor). 
Myrmarachne maxillosus Koch 
Several specimens from Los Banos (Baker), Malinao, 
Tayabas (Baker). In one specimen the anterior tibia is 
short and with but four pairs of spines, others have the 
front tibia longer (though variable) and with more spines, 
but the characters of the jaws are the same in all. 
Myrmarachne assimiiis sp. nov. 
Figs. 7, 13. 
Pale yellowish throughout, jaws rather darker, fang dark 
red-brown, except pale tip. Cephalothorax very deeply cut 
behind eyes, much more so than usual, thoracic part scarcely 
rising behind cut; eyes of second row near to and a little 
above the anterior laterals. Jaws longer than the cephalo- 
thorax, much constricted on basal half, so that narrowest 
part (seen from side of above) is about half of the widest 
part, a faint outer carina, and an inner one on apical part, 
transverse wrinkles rather faint except on inner sides; on 
inner lower edge five teeth at subequal distances apart on 
apical half, a few small ones on basal part, outer edge of 
fang-groove with ten or more teeth, two near tip rather 
larger than the others which are very small; fang gently 
evenly curved, not at all sinuous. Palpi with tibia a little 
longer than tarsus. Legs very slender, front femora but 
