Figure 51. — Penacux (M.) aztecus suhtilis Perez Farfante. a. Cephalothorax, 9 36 

 mm. C.I., Gulf of Venezuela, Venezuela, b. Cephalothorax, 9 35 mm. c.l., off mouth 

 of Surinam River, Surinam. 



548 



U.S. FISH AND WILDLIFE SERVICE 



