52 



THE FUNDUS OCULI OF BIRDS 



Fig. 89. 

 Black-bellied Plover (Squatarola squatarola) X9. 



Fig. 90. 

 Great Bustard (Otis tarda) X5%. 



Fig. 92. 



Black-crowned Night Heron (Nycticorax nycticorax 

 ncevius) X6. 



Fig. 93. 

 Lesser Snow Goose (Chen hyperboreus) X9. 



Fig. 94. 



Fig. 91. 

 American Bittern (Botaurus lentiginosus) X8. 



Lateral View of the Pecten in the Prepared Eyes of Certain Species of Birds 



Common (Old World) Flamingo (Phoenicopterus 

 roseus) X8. 



