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BULLETIN OF THE BUREAU OF FISHERIES. 



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(i) The corridor arrangement. — This method is in use in the American 

 Museum of Natural History, where the fish exhibit is at present placed in an 



L-shaped corridor (text fig. i) connecting 

 two wings of the museum. Here the cases 

 are placed in end-to-end series along the 

 walls on both sides, an arrangement well 

 adapted for this style of hall. The cases for 

 the synoptic series are of similar size and 

 shape, of the variety shown in plate cxxvi. 

 The two doors in front open outward. The 

 back is solid and covered with a fabric (in 

 this instance a blue denim) , which sets off 

 well the varied colors of the fishes. The 

 specimens are attached directly to the 

 back of the case and are removable. Nine- 



w i=| F teen cases are used at present for the 



synoptic series. 



The main features of the arrangement 

 and classification may be readily seen 

 in the accompanying plates. The class 

 Pisces is defined in a general label (pi. 

 cxxxi) to be found at the entrance of the 

 hall and also at intervals throughout the 

 exhibit. Its subdivision into three sub- 

 classes is indicated at the bottom of the 

 label. The parts of the hall devoted to the 

 individual subclasses are shown by the large 

 signs suspended from the ceiling (pi. 

 cxxxii) , while the orders are identified by 



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ffi^ 



Fig. I. — Plan of fish hall in the American Museum of Natural History, illustrating the " corridor method " of arranging 

 the cases. The synoptic cases are numbered i to ig. The illustrative group cases are represented in the middle of 

 the corridor. 



