262 



2° the organ and its chitiae waüs also perform masticatory 

 raovernents. 



Fig. 1. Epeira, transverse section of pharynx ; Fig. 2. Pteroptas vespertilionïs (mite, 

 after Mc Leod), idem; Fig 3. Argas reflexus (mite, after Mc Leod), idem; Fig. 4. 

 Phalangium opilio (Opiliones), idem; Fig. 5. Eustrongilus gigas (Nematodes, after 

 Leucrart), idem; Fig. 6. Phoxichilus spinosus (Pycnogonida, after Dohrn), idem; Fig. 7. 

 Pipetta waberi n. g. u. sp , Proboscis (longitudinal optie section). 



P, pharynx; ch. ctytine ; m. muscle; mdil. m. dilatator; rrn. ring-muscle; jnc m. 

 constrictor. 



