Cone monochromacy and a reversed Purkinje shift in the gerbil.

Department of Psychology, University of California, Santa Barbara 93106.

Experientia. 1989 Apr 15;45(4):317-9. doi: 10.1007/BF01957461.

Retinal spectral sensitivity of the gerbil (Meriones unguiculatus) shows that this animal has a unique photoreceptor complement: there is only a single class of cone and the spectrum for these receptors is peak shifted toward the short wavelengths relative to the spectra obtained from rods.