84 W. N. F. WOODLAND 



occupied most of the ut?rus of the 280 mm. specimen of A. para- 

 gonopoia (macerated in Marcacci's fluid). 



Fig. 38 ( X cir. 580). — An oval flat free larva from the same uterus 

 (i. e. of the 280 mm. Amphilina) seen in section. 



Fig. 39 ( X cir. 480). — Similar degenerate larvae in shells and free larvae 

 from the same larga Amphilina, macerated in water only. 



Plate 5. 



Figs. 40, 41, 42 (xoOO). — Sections of early stages of development of 

 amorphous masses, from mesentery of Mac rones sp. 



Figs. 43, 44 (xll2). — ^Sections of later young stages of development 

 of amorphous masses. 



Fig. 45 ( x 35). — Section of amorphous mass elongated and slightly 

 coiled in capsule. 



Fig. 46 (natural size). — An elongated large fully -grown form of amorphous 

 body lying free in body-cavity of fish, which would soon become 

 transformed into an active Am])hilina. 



Fig. 47 ( X 112). — Young cyst developed from the mesentery and enclosing 

 degenerate larvae and disintegration products. 



