64 m'LLKTIN 45, UNITED STATES NATIONAL MUSEUM. 



the termination oftlie uie.s«»not}ilf;r<K)ves. Mesopleuia finely, inicroscop- 

 ieally scrulptured, with :i r<)uii<le<l impiession or loveu at the middle. 

 Metathorax <iiiadrate, tiuncat<^ beliind, the mar^fins delieately koeUnl 

 and a delicate longitiulinal ke«'l down the <*enter, the disk toward the 

 base delij'ately lonjjitiidiiially wrinkled; on earh side, between the 

 wrinkled portion and the lateral marj^ins. is a sm»)other space that 

 exhibits a minutely transverse stri|j:os«' scidpture; the truncatnr*' is a 

 little depressed in the middh^ and with a delicate median ke«'l. Ke^fs 

 black; the tibiie and tarsi are rather densely <'overed with a brownish 

 pubescence an<l in consequence appear lirown. Abdomen black, i>ol- 

 ished, the se<'ond sej;nient the longest. Wings hyaline, veins brown; 

 the second basal cell is half the length of the basal nervurc longer 

 than the first, the radius very long, as long as the second basal cell. 



Habitat. — Wales ('anyon, Colorado. 



Tyi)e <J in ('oil. Ashmead. 



Described from a single specimen, received from T. D. A. Cockerell. 



Meaitius vancouverensis sp. uov. 

 (PI. IV, Fig. 5, 5.) 



9 . Length 6.4'"™. Black, shining, imi)uuctured, except a few small 

 scattered punctures on the heatl and thorax. Head oval, li times as 

 long as wide. Mandibles and palpi rufous; the large outer tooth bla<;k. 

 Antennae 13-Jointed, acuminate at tips, exten«ling to base of meta- 

 thorax, the tlagellar joints after the first all longer than thick, the first 

 about equal with tin; pedicel, not, or s<'arcely, hmger than thick. Pro- 

 thorax very long, three times the length of the mesouotum, the latter 

 with 2 parallel furrows, faint anteriorly, more deeply impressed i)osteri- 

 orly; scutellum with 2 fovese at base directly opposite the niesonotal 

 lines; metathorax almost smooth, quadrate; there is a median longitu- 

 dinal carina extending to the apex and the surface on each side is finely 

 sculptured. Teguho pale rufous. Wings subfuscous, the venation 

 brown; the stigmal vein is very long, almost forming a closed radial 

 cell; the transverse medial nervure is strongly angularly curved, so 

 that its apex is parallel with the apex of the basal nervure. Legs 

 black, the tibiji; and tarsi dark rufous. Abdomen ovate, shorter but 

 wider than the thorax, black and shining, with the extreme apical edges 

 of the segments tinged witli rufous, sparsely pilose. 



Habitat. — Vancouver Island. = > 



Type 9 in Coll. Ashmead. -.■-.-. . r r 



Described from a single specimen received from W. Hague Harring- 

 ton. ' :.L: _ ^ 



MesitiuB nevadensls sp. nnv. 



9 . Length 6""". Very close to M. vancouverensis, but differs as fol- 

 lows: The legs, except the front coxa? and femora, are rufous, the mid- 

 dle and posterior femora rufo-piceous ; mandibles terminating in a 



