Endop((raftifes from Chickeni^. 255 



BIBLIOCrRAPHY. 



Cobb, 1896.— Atrric. Gaz. N.S. Wales, vii., 1896. 



Cobb, 1898.--Apric. Gaz. N.S. Wales, ix., 1898. 



Cobb. 1905.— Agric. Gaz. N.S. Wales, xvi., 1905. 



Johnston: T. Harvey, 1909.— Proc. Linn. Soc. N.S. Wales, 19(19. 



Perrie, 1892. -Agric. Gaz. N.S. Wales, iii.. 1892. 



Ransom : B. H., 190-1:. — U.S. Departuient of Agriculture, Bureau 



of Aniuial Industry, Bull., 60. 

 Ransom: B. H., 1905. — \Jj>. Dept. of Agric. Bureau of Animal 



Industry, Circ. 85. 

 Ransom : B. H., 1909. — Smithsonian Institution, U.S. National 



Museum, Bull. 69. 



EX PL A N AT ION O F PL AT h:S. 



All tigui'es drawn by aid of camera liicida. 



Figs. 1-1.3. — Davainka vakians, sp. n. 



Fig. 1 — Head, showing rostellum and suckers with hooks. 

 X about 230. 

 2a — Rostellar hooks ; upper figure in face view, lower figure 



in side view x almost 1600. 

 2b — .\cetal)ular hooks. x about 1600. 



3-7 — Showing variations in configuration of strobila. Nos. 

 3-6 X about 30, No. 7 x 40. 

 8 — 3 segments (apparently 3rd, -itli and 5th), showing 

 alternate genital pores and eversion of cirrus back 

 to last .segment. x about 30. 

 9 — Cirrus half everted, showing spines. x 175. 

 10 — Cirrus fully everted. x 175. 

 11 — Two eggs in capsule. x about 380. 

 12 — One single egg. x about 380. 



13 — Diagram illustrating usual proportionate development 

 of male and fenuile organs in different segments : 

 Testis (t.), cirrus sac (c. s.), cirrus (c), ovary (o. ). 

 vagina (v.), vitelline gland (v. g.), receptaculuni 

 seminis (r.), eggs in capsules (e.). 



