204 



S. UCHIDA : 



4. LitieuruH coitcinmis Kellogg and Chapman. 



Kellogg and Chapman, New Mallophaga, III, i<Sg9, p. 97, pl. VII, fig. 2. 



Two males and two females collected from Diomede a albatms taken in 

 Formosa, March, 1897 ; and a male and a female from THoinedea nigripes 

 obtained in Tiausu Id., Loo-choo, May, 1900. 



5. LdpeuruB Jerone Giebel. 



Giebel, Insecta Epizoa, 1874, p. 235 ; Piaget Les Pedicnlines, 1880, p. 

 333 ; Kellogg, New Mallophaga, I. 1896, p. 127, pl. IX, figs. 1 & 2. Lipeurus 

 diomedcB, Dufour, Ann. Soc. Ent. France, 1834, IV, p. 669, figs. 1 & 2 ; 

 Giglioli, Quart. Journ. Micr. Sci., 1864, IV, n.s., p. ro, pl. I, figs. 1 & 2. 



Two males and three females of this species were obtained from the 

 skins of Diovnedea iiigripes (Bonin Is., 1892; Formosa, Feb. 1897; and 

 Tiausu Id., Loo-choo, Ma} - 1900). 



6. Upturns an Ulti ir e h tris sp. nov. 



This new species is founded on a single male specimen which was 

 obtained from a skin of the grey fork-tailed petrel, Oceaiiodroma furcata 

 (Misaki, Prov. Sagami, March 1907). 



It is allied to * Lipeurus clypeatus Giebel from Pachvptila caerulea, but 

 is distinguished from it by the smaller size, narrower head, being especially 

 narrow at the temples, by the shape and chnetotaxy of the thorax and by the 

 shape of the last abdominal segment. 



Description of the male: — Body 2.17 mm. long, 0.36 mm. wide ; ground 

 colour of head and thorax clear brownish, with reddish brown markings ; 

 abdomen brownish with lateral dark brown bands. 



Head 0.55 mm. long, 0.30 mm. wide ; elongate conical ; front narrowly 

 parabolic, with three marginal hairs near suture and three prickles behind 

 it ; clypeal region colourless, expanded in front of the suture , trabecular 



* Giebel, Insecta Fpizoa, 1874, p. 236; Tasehenberg, Die Mallophagen, 1882, pi 154, Taf. V, 

 Fig. 2, 2a, 2b. 



