MORPHOLOGY OF CYPRINODONT FISHES. 



IS 



Text-figure 9. 



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Spermatopliores of NeostetJms lankesteri (X 750). 



and forwardly directed transverse process {tr.) of the third ver- 

 tebra. To this process is attached also the proximal end of a 

 muscle that runs downwards into the pi"iapium on the inner side 



Text-figure 10. 



Neostethus lankesteri. Muscles of priapium, from the aproctal side (X 20). 



tr., transverse process of third vertebra ; ct., base of ctenactiiiium yiax., axial bone; 

 'pp., pleuro-priapial muscle ; p., longitudinal muscle of proctal side'; ap., outer, 

 and ap.', inner longitudinal muscles of aproctal side ; ctm., ctenactinial muscle. 



