Wyman.] 



102 



[October 7, 



of the body or of the brain, than the one indicated. In one instance 

 the mass of worms was such as to produce by pressure a deep inden- 

 tation of the cerebellum. 



Fig. 3. 



Fig. 5 



Fig.l, 



Fig. 4, a. 



-Fig. 2, 



Fig. 6. 



Fig. 4. 



The female (Fig. 2, natural size) is readily distinguished by being 

 much larger, measures sixty-five millimeters in length, and when 

 fully distended with eggs, has diameter of 0.5 millimeter. The 

 mouth (Fig. 3) is terminal, without lips or papilla3, the intestine 

 passes in a straight direction to the opposite end of the body, and if it 

 opens at all does so at the point of it, though the opening itself was 

 not distinctly seen (Fig. 4). Several loops of the oviduct are easily 

 observed through the integuments, and one much larger than the rest 

 is seen at the hinder part of the body (Fig. 4, a). The genital pore 

 was not found, but is probably in the middle portion of the body, as 



