March, iyo2.] KELLOGG & ChAPMAX: AMERICAN MaI-LOPH AOA. 23 



From Diomedia )ii}:;ripes (California). Previously recorded from 

 same host, Ft. Barrow, Alaska. 



Liperus comst'tcki, sp. nov. (Plate III, Fig. 2.) 



Descriplion of female. Body, length 3 mm., width .45 mm.; very long, slen- 

 der, body no wider than head, fuliginou.s with dark brown to black marginal band.s 

 on the head, thorax and abdomen. 



Head, length .45 mm., width .35 mm.; elongate, conical scarcely any wider 

 through the tempels, front rounding, distinctly separated from the head by a suture ; 

 a short hair at the suture and two longer marginal hairs in front of the suture ; sides 

 of the front diverging but little, with a short fine marginal hair, in front of the small 

 angular trabecular a short prickle ; antennas slender, first segment short, second almost 

 as long as the third and fourth segments together ; third cylindrical and longer than 

 the fourth, a few short hairs on the segments and several at the tip of the last segment ; 

 color pale fuliginous, darker on last three segments; eye small but distinct with one 

 prickle ; temporal margins parallel, one short marginal prickle just below the eye, one 

 more on the lateral margins of the temple and two short prickles and one long hair on 

 the rounding temporal angle ; occipital margin acutely concave ; signature shield- 

 shaped, extending to front margin of head, pale colored anteriorly, darker brown 

 behind, a distinct suture extending from posterior angle along the median line not 

 quite to the anterior u.argin of the signature ; this suture extending posteriorly almost 

 to the mandibles ; antennal bands broad and dark with the anterior and posterior 

 ends curving inwardly, temporal margins bordered with dark brown, paling inwardly. 



Prothorax almost square, anterior angles rounding, bare ; posterior angles acute 

 with one short prickle ; ground color fuliginous with uniform dark lateral bands which 

 bend inwardly at the posterior angles. Metathorax quadrangular, longer than broad, 

 slight restriction behind the anterior angle ; posterior margin with a narrow acute 

 median angle on the abdomen ; five hairs in posterior angles. Legs robust with short 

 hairs on tibia; and fetnora ; pale with narrow dark borders. 



Abdomen long and narrow, segments gradually widening to the fourth, fifth and 

 sixth about equal, ninth deeply and angularly emarginate, the two acute points with 

 one strong hooked hair ; posterior angles of the segments with one or two long hairs ; 

 each segment with a broad transverse band darker on the median line and a dark 

 brownish black lateral band. 



From Rallus vin^inianiis (Ithaca, New York). 



Oncophorus bisetosus Fiaoet, Les Pediculines, 1880, p. 217, pi. 



XVIII, fig. 4; Kellogg (var. califoniicus K. & C. ) List, 1899, 



p. 65. 



From Rallus viroinianiis (Ithaca, N. Y.). A variety of this form 

 previously recorded from the same host (Palo Alto, Calif.). The 

 specimens in hand much more closely approximate the type, but show 

 certain slight differences. 

 Laemobothrum loomisi, sp. nov. (Plate III, Fig. 3.) 



