404 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL.24 



PLATE 28 



Fig. 1. Pctrolistlics (jratiulosus (Cnieriii), male. Bahia de la Indepen- 



dencia, Peru. 

 Fig. 2. Petrolistlies laei'igatus ((juerin), male. Golfo de Quetalma- 



hue, Chile. 

 F'ig. 3. Petrolistlies cinctipes (Randall), male. Coos Bay, Oregon. 

 Fig. 4. Petrolistlies -violaceus ((iuerin), male. Bahia de San Juan, 



Peru. 



