BIRD LICE. 



3^1 



CASE GONIODES DISSIMILIS {Nitzsch).—Z'o. Specimens ; £7. Enlarired firrure of 



VVTIT ■ oo 



Nos <^^^^° > ^^' IHustrative vignette (domestic cock). 



36-38. 



Goniodes dissimilis (from the domestic fov.l). 

 ij line in length. 



On the domestic fowl ; not common. 



Anterior leg: of ditto. 



Nos. Goniodes tetraonis {Denny). — 39. Specimens; 

 39—41- 4Q^ Enlarged figure of ditto ; 41. Illustrative 



vignette (grouse). 



Common both on the black cock and 

 grouse. This is the insect that sometimes, 

 especially in bad seasons, does so much 

 harm to the young grouse when they are <?rol°et"ATiTiinV[rienS^^ 

 feeble and unhealthy. 



Genus Lipeurus (Nitzsch). 



Body long and slender, and legs usually very long. It has in 

 the antennae of the male a little of the 

 character of Goniodes, the third joint being ^u^i^ 

 slightly recurved. The greater breadth "'^'"^^^^^^^^ 

 of that genus, however, with its large and V^' 



emarginate head and more pronounced ^"'^^S^,°^JJJ^'ed^i^d' 

 antennae, readily distinguish them. 



_ _ , eurus, to sliow 



s recurved third joint. 



Nos. Lipeurus STELLAKis (Z^^-w/zy).— 42. Specimens; 43. Enlarged figure of ditto; 

 4^— 44. 44_ Illustrative vignette (pigeons). 



Infests pigeons (rock dove, stock dove, and turtle dove). 



