~ 28 
* HAMATOPINOIDES. 
Nov. Gen. 
Antenne composed of three joints, terminal joint deeply excavated 
on the posterior side ; abdominal segments at lateral margins broadly 
chitinous with a strong tubercle and a semicircular plate above and be- 
low lapping over the chitinous portion of the succeeding segment. 
SUCKING LOUSE OF THE POCKET GOPHER. 
(Hematopinoides squamosus, 0. Sp.) 
Body oblong, broadly flattened; general color, dark yellowish. Head small, longer 
than broad, narrowly rounded in front, widening be- 
(bind the antenne; lateral angles rounded, posterior 
bie ga e margin acutely pointed beneath, with two large hairs 
a& gor set between the bases of the antenne and directed 
4 outward; antennz composed of but three joints, these 
being nearly equal in size, the first short, stout; the 
third longest and with a deep excavation on the 
posterior side. Thorax small, broader than long, 
margin irregular, sternal plate obtusely angled in 
front; lateral margins parallel, passing by obtuse 
angles into an acutely angled posterior extremity; im- 
mediately back of the sternal plate are two irregularly 
triangular, chitinous plates, occupying the region 
of the metathorax and extending each side so that 
their bases reach to the bases of the coxe. Anterior 
Fic. 16.—Hematopinoides squam- and middle legs of nearly the same size, hind legs 
osus: a, female dorsal view; b, an- larger, stouter, and better fitted for clasping. Abdo- 
tenna ; c, head; d, sternal plate; ¢, men large, oblong or elliptical, broadening very rap- 
postencr lee j./, border or abdomen; idly at base and terminating abruptly ; lateral mar- 
allenlarged. (Original.) . Pas 
gins of segments broadly chitinous, a strong tub- 
ercle directed posteriorly and a semicircular plate above and below lapping over 
the chitinous portion of the succeeding segment, spiracle located at middle of lateral 
margin; median portion membranous, appearing minutely squamous. The sutures 
of the segments faintly indicated, a few long hairs scattered over the median portion 
of the dorsal surface, two hairs on each lateral tubercle, these much elongated on 
segments 6 an 7; the eighth with a tuft of hairs. 
Millimetres. 
IO GIVeR NY BGoooo woDacanecoss bdecns Goo dpo.cuScoD DQDEdS DooESSbaScR 1.20 
IWilGlibhie 2/22 oe fieon tarts oc hnin bios emit aiseemee Seine ee eene meee deria . 50 
Head : 
IDOI SS eseeeAae BEeeso esenos S6bc coudeads0 4560 06eneo coce = 27 
Wadth-22. 2: osikiscesersone cee e ceeieee eee aeons Gils! 
Thorax: 
IDOE SS -S.GaSHoS Gonna daboas soeosecbSsee goneso sess sess ¢ 13 
Width 22sec. sascensccece 1 accor seeme eee eo eee eee . 20 
Abdomen: 
JEG MUD cosea6 dean oSo cade. coOGc0 050000 SooKDO DaSSeN SOC0r ate 
Width.eses se eS cisco ses cetie ex pinebe eee en cee cee emer .50 
Antenns, lenG@th <6 42s. s2c<meresaeectn esos seer ees .10 
