Annual report . type with shelves which may for purposes of classification be con-sidered a detached pier wall case. The group of types is character-ized by a low deck and a uniform height of about 8 feet, the limitbetween which zoological and archeological specimens may be seento advantage, the exception to the 8 foot height in cases of this i8 NEW YORK STATE MUSEUM group being type Q, which was designed for a childrens exhibit inarcheology. The longitudinal dimension in wall type cases is, ofcourse, limited by the length of wall space to be filled and thelateral dimension by the character of
Annual report . type with shelves which may for purposes of classification be con-sidered a detached pier wall case. The group of types is character-ized by a low deck and a uniform height of about 8 feet, the limitbetween which zoological and archeological specimens may be seento advantage, the exception to the 8 foot height in cases of this i8 NEW YORK STATE MUSEUM group being type Q, which was designed for a childrens exhibit inarcheology. The longitudinal dimension in wall type cases is, ofcourse, limited by the length of wall space to be filled and thelateral dimension by the character of the material to be exhibited;for instance, for large mammals or Indian canoes, a fairly widewall case is required, while for Indian garments, ceremonial masks. Type O or rows of bottled alcoholic specimens of invertebrates, a com-paratively narrow wall case is best adapted. In the large zoologytypes of this group two features appear for the first time in thisdescription: (i) The base is recessed in order to permit the ob- REPORT OF THE DIRECTOR I913 19 server to stand close to the glass. By this means an economy ofaisle room is effected. (2) A ventilating device is introduced in thebase by means of which the air passing into the case when pressureis equalized, after a sudden change of temperature, is filtered freeof dust through a series of sheets of cotton. Type N. Cases of type N were designed for the display of thegeneral collection of New York small mammals, birds, fishes exhibition space is 16 feet long by 4 feet wide and 6 feet
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectscience, bookyear1902
