KIOMOLECULAR ASPECTS OF SPERMATOZOAN MOTILITY 191 



Fig. 1. Trout and perch spermatozoa, (a) Electron micrograph of trout 

 spermatozoon. Fixed in osmic acid vapor after suspension in 0.03M KC1 

 buffered with phosphate to pH 6.8. Unshadowed (x3600). (b) Electron 

 micrograph of perch spermatozoa. Fixed in formaldehyde in the milt. 

 Gold-palladium shadowed (x4500). 



