353 ATONIC DISEASES. 



terminated by a minute apical papilla, and surrounded by a double 

 circle of small recurved hooks. The segments of the neck, or 

 anterior part of the body, are represented by transverse rugae, the 

 marginal angles of which scarcely project beyond the lateral line. 

 The succeeding segments are subquadrate, their length scarcely 



Fig. 48. — TAPE-WORM. 



exceeding their breadth. They then become sensibly longer, nar* 

 rower anteriorly, thicker and broader at the posterior margin, 

 which slightly overlaps the succeeding joint. The last scries of 

 segments are sometimes twice or three times as long as they are 

 broad. The generative orifices are placed near the middle of one 

 of the margins of each joint, and generally alternate. 



