10 E. T. CRESSON. 



down on each side and on a line with middle coxa; wings dusky hya- 

 line, the costa broadly yellowish, dusky beyond theareolet; four ante- 

 rior femora above, the posterior pair behind, a line on all the tibife, 

 not extending to apex and a narrow line on posterior coxae, beneath 

 and above, and the trochanters black, anterior femora more swollen 

 than usual ; abdomen marked as in centrosus. Length 4s — 5 lines. 

 Two S specimens. (Sumichrast Coll, Nos. 72 and 98.) 



16. Ichneumon monitus, n. sp. 



2 . — Lemon-yellow ; line behind scape of antennae, triangular mark 

 covering ocelli, two large spots on occiput connected by a slender line, 

 three broad stripes on mesothorax, lateral regions of scutellum, base of 

 metathorax, a line on each side and a mark down the middle, line be- 

 neath wings, spot on tegulae, subapical spot on first segment of abdo- 

 men, basal half or two-thirds of second and third, and the remaining 

 segments entirely, black j antennae brown-black with a broad yellowish 

 annulus, scape yellow beneath ; wings pale yellowish-hyaline, nervures 

 and stigma pale fulvous ; two spots on posterior coxae, stain on all the 

 femora, and tips of the tarsi, fuscous. Cheeks not prominent ; antenna? 

 slender, third joint longer than fourth ; scutellum convex ; metathorax 

 with well defined elevated lines, abdomen broad beyond first segment, 

 depi'essed, second segment much depressed at base and substriated 

 longitudinally, basal foveae large and rather deep; second segment 

 closely punctured, remainder smooth and shining. Length 3 lines. 



One $ specimen. 



17. Ichneumon totonacus, n. sp. 



S . — Black, clothed with a fine whitish pubescence ; face, mouth, 

 orbits, cheeks, broad annulus on antennae, line on each side before tegu- 

 lae and a line beneath, spot on tegulae posteriorly, sides of scutellum, 

 and four antei'ior coxae and trochanters, white ; legs and abdomen 

 ferruginous, tips of tarsi blackish, posterior tarsi yellow ; wings hya- 

 line, iridescent, nervures and stigma brown. Head large and subquad- 

 rate, cheeks full, face flat, clypeus with the anterior margin bisinuate ; 

 antennae about as long as the body, slender, filiform, basal joints of 

 flagellum long; mesothorax shining, with a few large deep punctures, 

 a short, deeply impressed line on each side anteriorly ; posterior mar- 

 gin of prothorax prominent laterally; scutellum subquadrate. squarely 

 elevated at tip, flat above, excavate at base and carinate laterally ; meta- 

 thorax truncate behind, rugulose, shining at base, the elevated lines 

 sharply defined, forming a semicircular central area ; areolet of anterior 

 wings 5-angular ; abdomen short, broad-ovate beyond the first segment, 



