ON A SECOND COLLECTION OF MALLOPHAGA ETC. 



645 



23. Myrsidea mikadohiji (Uchida). 



Mencpon mikadokiji Uchida, Journ. Coll. Agric. Imp. Univ. Tokyo, vol. Ill, 

 p. 183, pi. x, fig. 7. 



A single young specimen of this species was taken from Calopha- 

 sis mikado shot on Mt. Arisan. June 20. 



24. Myrsidea shirakii n. sp. 



Twelve male and fourteen female specimens collected from Corvus 

 macrorhynchus levaillanti killed on Mt. Arisan, June 21. 



This new species is characterized by the peculiarly formed tergite 

 of the second abdominal segment. Ground colour of body pale buff, 

 with smoky brown and pitchy markings on head and thorax, the 

 abdomen with smoky brown, continuous, transverse bands. 



Description of the female : — Head robust ; front broadly rounded, 

 with a very slight angulation on the meson ; a long and several 

 short marginal hairs on each side of front ; two rather long marginal 

 hairs on each lateral margin, and a long and a short pustulated hair 

 at the angle in front of each ocular emargination. The eye is large, 

 emarginate and with a distinct, quadrangular black fleck ; ocular fringe 

 distinct, composed of numerous stiff, curved hairs ; palpus projecting 

 with the whole length of its terminal segment ; temples rounded, pro- 

 jecting, each bearing four long pustulated hairs and several short 

 hairs and prickles ; occipital margin concave, bearing two long hairs 

 in the median part-;. Colour of head yellowish buff, pa'er in the 

 middle ; the curved line bounding the antennal region pitchy inside 

 and fading into dark brown outwards ; a pitchy brown spot near the 

 margin just in front of each palpus ; temporal margin bordered with 

 blackish brown ; occipital margin edged with pitchy brown, narrower 

 in the middle. On the ventral aspect of head, in the space in front 

 of mandibles, a hair and a bristle on each side ; six short hairs in 

 two rows in the space between antennal grooves ; on each side of the 



