MONOGRAPH OF THE NORTH AMERICAN PROCTOTliYPID.E. 170 



Abtlomeu loug-oval, twice as lung' as the liead and thorax toj^etheiv, the 

 Avidest part as broad as the head. 



Habitat. — Washington, D. C. 



Type in National Mnseuni. 



Described from a single specinuMi, tjikcn September 121, 1884. 



Baeus piceus, sp. nov. 



9 . Length 0.6""". Brovvuish-piceons, smooth, shining, impnnctnred; 

 antenna* and legs brownish-yellow, the scape and pedicel above fnscons, 

 pale at tips ; the three last fnnicle joints very minnte transverse, the 

 tirst not longer than thick, less than one-third the length of the pedicel. 

 Abdomen oval, convex, polished and shining, a little longer than the 

 head and thorax together. 



Habitat. — Ottawa, Oantula. 



Type in Coll. Ashmead. 



Described from a single specimen receive<l from W. Hague Har- 

 rington. 



Basus clavatus Pro v. 



Trifhaaius claratiis Prov., Add. et C'orr., p. 201t. 

 BwKS clnvatus H.irgtn., Ins. Ijife, n, p. 359. 



2 . Leii<ith O.fl.o inch. Of n uiiiforin reddish-brown, with the le^'s yellow. The 

 clul) of the .intennie black. Thorax densely pnnctnred, inetathorax rngose. Legs 

 pale yellow, the tarsi with the last joint brown. Abdomen browner than the rest, 

 polished but not metallic. ( Translated from, rroraiuher.) 



Habitat. — Ottawa, Canada. 

 Type in Coll. Harrington. 



BaevLS americanus How. 



(PI. VIII, Fi.i;-. '.KS 9-) 



Ins. Life, ii, p. 270, Fig. ."iW. 



.9- Length O.ti.")""". L<'ngt]i of antenna! clnb O.IS.")""", or in other words the en- 

 tire body is only 3^ times as long as the antennal clnb. Width of antennal clnb 

 0.082'"'". (ileneral color dark houey-yellow; scape and fnnicle of antenna*. l)rowni.sh, 

 club lighter, dark at tip; vertex and face light honey-yellow; dorsum of thorax and 

 abdomen dark honey-yellow, almost approaching mahogany; legs thronghont con- 

 ctdorons with the head; middle and hind tibise a little daiker near base. Surface 

 of abdomen smooth, shiny; mesonotum very faintly pnnctate. Thorax and abdo- 

 men with extremely fine, sparse, whitish pile; tip of abdomen with a short and con- 

 tracted fringe of white pile. Antennal clnb very large, longer than rest of fnnicle 

 and pedicel together; fnnicle joints very narrow and short, snbeqnal; pedicel wider 

 and as long as entire fnnicle, except clnb. (Howard.) 



$ . Length 0.8'""'. Dark honey-yellow ; the head piceons, with a 

 median carina anteriorly ; antenna' and legs pale yellowish ; abdomen 

 small, rounded, rtiscous, the basal segment short, transverse, striate. 

 Wings hyaline, fringed, the venation pale brown, the basal uervure 



