THE BROOKLYN MUSEUM 



An exhibit of pearl shells from the pearl fisheries of 

 Ceylon, showing pearl oysters in various stages and the 

 process of abstracting pearls from the shells, is installed in 

 the eastern side of this case. 



The marine animals of the coast of Long Island and New 

 England, from high tide to a depth of 7,200 feet, form an 

 interesting exhibit in the last floor case on this side. Among 

 the specimens may be mentioned the oyster drill, showing 

 the drilled shells, egg cocoons and stages of growth of the 

 animal, and mounted specimens of the pipefish, sand flea 

 and other shore creatures. Models of the octopus and squid 

 occupy the last wall case at this end of the hall and should 

 be compared with the giant octopus and squid suspended 

 from the center ceiling and the marine painting above. 



Passing into the Insect Hall (Room 8 on plan), a chart on 

 the left of the entry traces the phylogeny or lines of descent 

 of the arthropods, showing their relationships to the worms. 

 Facing this, another chart shows an introductory series of 

 insects, noting typical examples of the principal families. 

 An exhibit of household insects, such as the flour moth, car- 

 pet beetle, leather beetle, ant and other undesirable inmates 

 of the dwelling, is shown on the west wall of this room, be- 

 low which are six cases containing the systematic collection 

 of beetles. Facing these, the true bugs are exhibited in the 

 six lower cases, and above them is a series illustrating va- 

 riation in color and form, protective mimicry, vestigial and 

 rudimentary organs in insects, various phases of biological 

 and economic interest and geographical variation. 



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