Carnegie Inst. Washington Pub. 535 — Longley and Hildebrand 



Plate 31 





Fig. 1. Hyplenrochilus bermudensis, showing structure of external 

 genitalia. Upper, female; lower, male. (Drawings by Manson Valentine.) 



Fig. 2. Rupiscartes atlanticus, showing structure of external genitalia. 

 Upper, female; lower, male. (Drawings by Manson Valentine.) 



