.1 portion of the piin iiiolil irith rliiif iniidtl remoecd. 'Phis liasonils iiil rrior. ol' course. ;i pcr-l'cci 

 imi'i-.'ssion of the Iiipix) ukkIcI. ;iii(1 will Kive a positive or cast of this impression lo soli plitsicr placed 

 ai-'ainsi il.i . iiuei-ior, 'I'lie niolil oT I he hippo was tiiirteen feet long 



Tht plaster cast, or manikin, partly uncovered ns the piert- mold is hei>i{/ rcmond. Tile <"isl is hollow, 

 retiuisite strength being gainefi by the introduction of burlap iritis the plaster before it sets 



