Evidence of duplicity in the retina of the california sea lion (Zalophus californianus).
D000388:Air; D000818:Animals; D010872:Caniformia / Q000502:physiology*; D008029:Lighting; D008433:Mathematics; D012044:Regression Analysis; D012160:Retina / Q000502:physiology*; D046070:Sea Lions / Q000502:physiology*; D012623:Seawater; D014792:Visual Acuity