Portion of the paddlefish group in the American Museum of Natural History 



regardless of the time of day. The 

 octopus group embodied also another 

 idea, brought to great perfection here by 

 Miss Mary C. Dickerson, that of making 

 a single mold serve for making many in- 

 dividuals. In the octopus group the 



animals were cast in gelatin compound 

 and bent into diverse attitudes; to-day 

 casts are made in wax, warmed and 

 worked into many poses; a case of the 

 parallel development that occurs in 

 methods as well as in nature. 



OCTOPUS GROUP 

 This group was prepared by Dr. F. A. Lucas for the Cliicago Exposition of 1893 and is at present 

 In the United States National Musemn. The animals were modeled in clay and cast in "cathcartine," 

 a mixture of glue and gelatin 



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