Bull. U. S. F. C, 1899. (To face page 304.) 



PLATE 33. 



2 ^ 



M : - " jy cu-y-Vfrt'-^v^:' ^ " 

 A: ..-VK^.;. ;..lv.s'\ Y ; .\ 



..;:;-,;..;^:, , >/ ;..-- ; V| 



;'-; : . : ; -v '...:;;,:... 



V-;?0-;V ::-/'-. 



-, . 



^^ 

 . .- 1 



?' -^:i.'&: ' "' \ 



l'itrai<itic 



1. Dorsal view of specimen showing the minute :mtrnn;r MIK! the 



single eye, from life. s. 



2. Ventral view of head, from life. H.x. 



3. Dorsal view of head, from life. us. 



I. Ventral view, from glycerin mount. , 100. 



The right maxilla is broken, its Masai joint alone remaining. 

 .1. Portion of one of the tail forks. < 100. 



o, Chitinous cuticle; 6, subcuticular tissue joined with the cuti- 

 cle by spine-like processes. 



Oi-tiibiit/iriiim ill iitii-ii/iilinii /i-uiii rnlhifliiiif rir< UK, 'lilt*. 



i'.. \'entral view, nlcoholic s|iecinieii. I. 



7. Ventral view of anterior end. i>v 



e, Ova; ;/. cirrus with its circle of liit'ureatc hooks. 



S. One of tin- posterior sucker.- showing cliitinoii- hooks unrt patch 

 of papilhe. li.v 



9. Papilla' more highly magnilic'l. Jiii'. 



10. Ovum, sketched as h lay in the uterus: one of ihe ri laments con- 

 cealed in part, x 176. 



