THE BROOKLYN MUSEUM 



The first floor case on the left contains an introductory 

 series of fishes, preceded by the lancelets, the lowest of the 

 backboned animals, having neither skull, jaws nor brain 

 and in which the skeleton is represented only by a slender 

 longitudinal cord. The hagfish, lamprey and other inter- 

 mediate types are also shown, and, on the right, examples 

 of a typical bony fish, showing skeletal characteristics, and 

 a model of the anatomy. 



Various tropical fishes are exhibited on the other side of 

 this case, and, in cases behind and in front of it, going up 

 the hall, examples of the various orders of fishes are 

 shown, together with models of many of their extinct rela- 

 tives. A diagram, on the right-hand end of the first upright 

 floor case, shows the various deep-sea fishes and the depths 

 at which they live. Models of deep-sea fishes are shown in 

 a near-by case; the phosphorescent organs possessed by 

 some species are their most striking characteristics. 



A model of the great white shark, or man-eater, is ex- 

 hibited on the north wall, and plates from the United States 

 Fish Commission series, representing the important food 

 and game fishes of North America, are also shown. 



Following the fishes, the amphibians, intermediate be- 

 tween water and land animals, are exhibited in the next 

 floor case, and here an enlarged model of the frog's anat- 

 omy, with skeleton, indicates the main structural differ- 

 ences involved in the change of conditions. Salamanders, 

 toads and other representative amphibians are here exhib- 

 ited, and, on the other side of the same case, a mounted 



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