1. Pecten of the pigeon's eye as an inter-ocular eye shade;Barlow;Nature (New Biology),1972
2. Recherches sur les réseaux vasculaires de la chambre postérieure de l'oeil des Vertébrés;Beauregard;Ann. Sci. Natur.: Zool. Paleontol.,1876
3. The chemistry of daylight vision;Bliss;J. Gen. Physiol.,1946
4. Visual pigments of the pigeon (Columba livia);Bridges;Vision Res.,1962
5. A linear area centralis extending across the turtle retina and stabilized to the horizon by non-visual cues;Brown;Vision Res.,1969