508 



CALIFORNIA ACADEMY OF SCIENCES. 



UNIVERSITY 



wertheimeri (Plecostornus) 435 



(Pseudancistrus) 435,436 



Wertheimeria 2G1, 2G5 



wesselii (Pimelodella) 148, 152 



(Pimelodus) 152 



westermauni 166, 180 



wilsoni 126 



wrigbtiana 387 



