On some Mallophaga. 23 



itself. Its outline indeed is hard to discern but it frequently modifies 

 in a very characteristic manner the appearance of the proximal 

 end of the penis. Seen from above they cannot be separated — 

 the penis appearing to have a basal enlargement. 



Docophoriis lari Benny (1842). 



D. lari Denny, Monogr. Anopl. Brit., p. 89, tab. 5. fig. 9 (1842). 

 — PiAGET, Les Pediculines, p. 111, tab. 9, fig. 7 (1880). 



2 ^^, 2 $?, Larus fuscus, Gjanoyri (Strömö) 5./8. 1912. 



K. SCHEEIBEE leg. 



3 ^(^, 5 $$, Larus sp. juv., ibid. 19./8. 1912. K. Schreiber leg. 

 $ (straggler) Numenius phaeopus, Grönhölm b. Strömnaes (Strömö) 



12./8. 1912. K. Schreiber leg. 



A cosmopolitan species on Gulls and sea-birds. In Shetland the 

 writer takes it on 6 species of Larus. 



Uoeophorus leoutodon Nitzsch (1818). 



D. leonfodon NiTZSCH, in: Giebel, Ins. Epiz., p. 90, tab. 2, figs. 4, 7 

 (1874). 



11 <^^. 12 $$, imm. Sturnus vulgaris faroensis, 2 Expl., Gjanoyri 

 (Strömöj 10/8. 1912. Schreiber leg. 



Docojyhoriis occidentulis Kellogg (1896). 

 D. occidentalis Kellog, New Mallophaga I, p. 88, tab. 3, fig. 7 (1896). 



$ Fulmarus glacialis. Gjanoyri (Strömö) 11. '8. 1912. K. Schrei- 

 ber leg. 



This species, abundant on Fulmars of the Pacific Coast, occurs, 

 but never numerously, on F. glacialis in Shetland. The structure 

 of the head, the abdominal fasciae and the male genitalia indicate, 

 we consider, affinity with the celedoxus group of Auk Bocophorus. 



Docophoriis ocellatns Nitzsch (1818). 



D. ocellatns Nitzsch, in: Giebel, Ins. Epiz., p. 81, tab. 9, fig. 7, 8 

 (1874). 



3 $$, 6 imm. Corvus cornix, Naalsö, 18./9. 1912. Petersen leg. 



