MALLOPHAGA FROM BIRDS OF FORMOSA. 181 
markings of femora and tibie. 
Abdomen narrow, elongate, subparallel sided; widest at fourth and fifth 
segments ; the first segment narrower and shorter than those that follow, with 
a large but indistinct brownish protuberance on each side; posterior angles of 
segments U-Iv bearing one short hair; those of segments v and vı with 
one short and‘ one long hair, those of segment vir with three very long 
hairs ; the last segment conical, with the tip deeply emarginated, forming a 
kind of fork; anda verytlong hair on each lateral margin. Dorsal surface of 
the abdomen with two or four rows of hairs; two rows near the middle of 
posterior margins of segments I-IIV, and additional two rows just inside of 
the broad yellowish lateral bands of segments ım-vI. 
9. Lipeurus rubrifasciatus Piaget. 
(Plate X, figs. 6, 6a, 6b.) 
Piaget, Les Pediculines, Supplément, 1885, p. 71, pl. vu, fig. 8. 
Two males and a female were taken from Arboricola erudigularis shot 
on Mt. Arisan, May 4. 
Description of female :—Body larger, temporal margins more convex than 
those of male; the second segment of antenna longest; the first and fifth 
segments slightly shorter and subequal, the third segment much shorter and 
the fourth segment shortest; segments of abdomen nearly equal in length ; 
the eighth and ninth abdominal segments more distinctly divided than in the 
male ; lateral margins of the eighth segment convex, bearing a series of fine 
hairs; emargination of the last segment narrower. 
10. Lipeurus variabilis Nitzsch. 
Denny, Manogr. Anopl. Brit., 1842, p. 164, pl. xv, fig. 6; Giebel, 
Insecta Epizoa, 1874, p. 219, Taf. xvi, fig. 3; Piaget, Les Pediculines, 
1880, p. 364, pl. xxıx, fig. 4. 
A female specimen was taken from Calophasis mikado from Mt. Arisan, 
May 11, and another male specimen obtained from Accipiter virgatus at Shüshü, 
Distr. Nantd, May 4. The latter was, of course, a case of straggler from a 
pheasant killed by the hawk. 
