26 Carl L. Hubbs 



PLATE II 



Figure 3. Distal portion of the gonopodium of Pocciliopsis hitzi, from a speci- 

 men 26 mm. long to caudal fin, from San Juan, a village in Acayucan, Mexico. 

 Figure A shows the right side of the gonopodium, while figures B to F digrammat- 

 ically show in oblique views, the cross-cut ends of the gonopodium at various indi- 

 cated levels ; the latter are introduced to show the complex imbrication of the rays 

 to form a tube, and the bilateral asymmetry of the two halves of certain rays 

 The crescentic horn in the membranous tip of the gonopodium is indicated by the 

 letters ch. 



