q " 



M 





FIGURE 42. 

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



a., ru})ture 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 



