MALLOPHAGA FROM BIRDS 487 



abdomen ; a long hair and two spines in each lateral posterior angle ; 

 posterior margin without hair or spine ; regions of latero-posterior 

 angles dark brown, the color extending forward narrowly along the 

 lateral margin. Legs short, stout, concolorous with body. Abdomen 

 golden brown, very broadly elliptical, with several spines on the lateral 

 margins of segment, some long hairs in the posterior angles ; a single 

 transverse series of hairs along posterior margin of each segment; 

 broad, transverse bands entirely covering each segment ; marginal 

 abdominal band very distinct ; last segment rounded, with fringe of 

 short hairs. 



MENOPON GALAPAGENSIS sp. nov. 



(PI. XXXI, fig. 4.) 



Two females from a Geospiza conirostris from Hood, and a female 

 and two young from Nesofnimus macdonaldi from same island. A 

 well marked form most resembling in shape and markings of head AI. 

 eurysternum from woodpeckers, and M. decoratuni from a white 

 tailed kite, Elanus leucurus from Palo Alto, California. 



Fefnale. — Body, length 1.5 mm., width .78 mm.; pale yellowish 

 with dark rusty brown marking ; distinct broad transverse blotches on 

 abdominal segments, the one on segment 2 especially strong. Head, 

 length .38 mm., width .66 mm. ; robust, almost twice as wide as long ; 

 front broad and flatly round, with several short weak hairs ; two long 

 hairs in front of the ocular emargination ; temporal margin roundly 

 expanded, with three long hairs and three very long ones and several 

 short ones ; occipital margin concave, with four long hairs ; small 

 black ocular fleck ; an irregular dark chestnut brown ocular blotch, 

 the two connected with the occipital margin ; chestnut brown curving 

 transverse band ; ill-defined occipital bands, the bases of the bands 

 being dark brown ; on the forehead in front of the bands being two 

 dark brown short curving bands on each side. Prothorax with poste- 

 rior margin broadly and evenly rounded with 12 long hairs in a series 

 extending from lateral angle to lateral angle ; a narrow transverse line 

 in front of the middle. Metathorax with diverging sides, straight 

 posterior margin ; along sides several short prickles; in the posterior 

 angle are two large hairs, then a short prickle, and then a series of 

 about eight long hairs along posterior margin. Legs concolorous with 

 body, with dark margin. Abdomen broadly elliptical ; posterior 

 angle of each segment with two to three long hairs ; a series of long 

 hairs on the posterior margin of each segment ; broad dark brown 

 lateral bands, which are in interior angle of each segment, subtrans- 



