i.t 



fp. 



FIGURE 42. 

 FIGURE 42. DEVELOPMENT OF SPERM OF ARGAS MIXIATUS (AFTER CASTEEL). 



a., rupture point of outer tube, c.p., cilia-like processes, fl., flagel- 

 lum. f.p., finger-form process, g.e., gelatinous envelop, i.e., in- 



10 



