ANIMAL Mint. '-PARASITES. .~>17 



I lore and there. po>silily from injury >r want <!' l-\r!. .jnn.-nt . the 

 spine-like process appears to be blunted or absent. By very caret u I 

 focussing on the upper edge of the central portion, the author 

 discovered. the existence much more markedly in M.HM 

 parasites than in others of a longitudinal incin n .-itli.-r 



a straight or undulating margin. The membrane is attarl, 

 the body, arising from the base of the rigid filament, and I:.V..UMB 

 directly continuous at the opposite end with the flagellum. In some 

 caaefl the edge only is deeply stained, giving the appearance <>' 

 thread continuous with the flagellum, so that one might be en- 

 led to overlook the membrane, and imagine that the flagellum aroae 

 from the opposite end of the body, at the base of th- -pin-like 



process. 



Close to the base of the spine-like process a clear un^am 

 is in many parasites easily distinguished ; and at the opposite < 

 there is, in some, the appearance of the deeply-stained protoplasmic 

 contents having contracted within the faintly-stained me 

 investment. When the longitudinal membrane has a 

 the undulations are much more marked in some cases, than i 

 Here and there the wavy outline appears iir>t OH th. 

 the central portion and then on the other; but there 

 waving outline on both sides of the same part of the I 

 was explained by a careful examination, which showed 

 somewhat ribbon-like parasite had become doubled on 11 

 discovery of this undulating membrane at once sugge* 

 author "an explanation of the lateral pHeudopodia < 

 Evan, If we imagine that we are looking down upon U 

 with the edge of the membrane towards us, one can co 



, , ..... ....... 



- 



was about the same length a> th- 



* 



