CYPRINODONT FISHES. 



Text-%. 173. 



1009 



)istal part of iiitromittent organ of : — A. Poscilia plcta. B. P.partr. C. P.vivi- 

 para. T). Lebistes reticulatiis. E. Ijimia versicolor. Y. Mollienisia, 

 sphenops. The prepuce-like hood is indicated in fig". D. 

 1h compnriT)g with preceding figures not-e that these are reversed, the first 

 prolonged ray being on the right, the third on the left. 



