Contents

24 August 1973
Vol 181, Issue 4101

About The Cover

Dopphins.[Jesse, Cologne, West Germany] (Below)Section of a dophin retin Unique among aquatic species are giant ganglion cells (lower left)and transplexaform cells(middle far-right). The receptor layer is at the top. This section was prepared by the Golgi method for the interference contrast microscope(X 40). See page 747 [William W. Dawson, University of Florida, Gainesville]