462 



THE ANIMAL PARASITES OF MAN 



-ves.Sim. 



FIG. 340. Physaloptera mordens, Leiper, 1907. (1) adult male : o.e. t oesophagus ; ch.i., 

 chyle intestine; i.e., testicular coils; ves. sem., vesicula seminalis ; sp.i, long spicule ; sp.2, 

 short spicule; B., hursa. (2) Mouth parts: c., cuticular collar embracing the two lips 

 posteriorly ; c.b., cuticular bosses guarding the mouth laterally ; e.d., external tooth ; 

 i.d., internal tooth ; sni.p., submedian papillae. (3) egg of P. caucasica. (i) egg of 

 P. wardens. (5) bursa enlarged : ped.p., pedunculated papillse ; ses.p., sessile papillae. 

 (After Leiper.) > / 



