MALLOPHAGA FROM BIRDS 463 



diverging occipital bands and the narrow marginal temporal borders 

 dark brown, and occipital margin black. Prothorax short, with 

 slightly diverging sides, and flatly convex posterior margin ; posterior 

 angle with a single long hair , color dark brown, with dark lateral 

 border, extending around the posterior angle, and a little way along 

 the posterior margin. Metathorax short, broad, with widely diverging 

 short sides, and broadly parabolic posterior margin, thickly set with 

 a series of pustulated hairs. Sternal markings consisting of dark 

 brown intercoxal lines, a pale median prothoracic blotch, and a small, 

 pale, soinewhat triangular metathoracic blotch. Legs short, stout, 

 brownish, with narrow dark border. Abdomen broadly ovate; one 

 to three long hairs in the posterior angles ; whole abdomen chestnut 

 brown, segments 1-7 with black lateral bands ; segments with long, 

 transverse, dark chestnut blotches separated medially by an uncolored 

 line, widest on segment 5, narrowing on each successive segment; 

 transverse blotches confluent medially on segment 1, with a small, 

 medial, angulated, uncolored emargination on anterior margin ; seg- 

 ments 1-6 with a series of pustulated hairs along posterior margin of 

 each transverse blotch, and behind each series a narrow dark brown 

 transversal line ; segment 8, with transverse blotches confluent in 

 middle ; segment 9 dark brown with few short hairs in the posterior 

 margin. 



Female. — Body, length 2 mm., width .83 mm. ; head, length .63 

 mm., width .76 mm. ; last abdominal segment with usual emargina- 

 tion. 



DOCOPHORUS LARI Denny. 



Denny, Monograph Anoplur. Brit., p. 89, pi. v, fig. 9, 1842. — Kellogg, List 

 of Mallophaga, p. 44, 1899. 



From Creagrus furcatus from Culpepper. This is the common 

 parasite of gulls, found on Larus and allied genera all over the world. 



DOCOPHORUS BREVIFORMIS sp. nov. 



(PI. XXVIII, fig. 3.) 



Five specimens, male and female, from Progne niodesta from 

 Albemarle, 2 specimens iroxnGeospiza fortis from Albemarle and one 

 male from Actitis macularia from Albemarle. A member of 'the 

 excisus group found on swallows and characterized by the emarginated 

 clypeal front. This new form is especially broad and robust. 



Male. — Body, length 1.26 mm., width .55 mm.; head and thorax 

 golden brown, abdomen smoky golden brown. Head, length .53 

 mm., width .45 mm; front of clypeus deeply emarginated, a long 



