35* iit;i.ii Mt'MctM or >kAiUKAi. Hisk'k^ KKruKib, Vol. Ill 



d*- 'n S'>nif •^mall mclcoritc s|>cciracn8 were also in- 



tt '*s in the collection. In 1 1 all 6$ a lari^ 



n^ • square by 8 feet high has been provided for 



an exhibit ot sclcnite crystals from Utah. These are mounted 



in the f : the gcodc in which they originally occurred. T: • 

 1 with glass on one si«lc and the interior is lighted 



.\ A large number ot cr>'stals arc shown in t*"- 



gy it thelll \V"- ''>''i' 1 ift Wi'i'ti 'o ifiil (on fiiilir; ? s «'.irn, .. 



tl; of the ..;;;. 



nature 1. :i made as realistic as possible. A case has also been 



provided in this Hall for the remarkable fulgunte, 9 feet in Icn," 



from Indiana, and the specimen installed therein. The 

 remaining collections in the Hall have been completely rearranged 

 and ! ; and some new material added, including the 



of ct ' ' ' ; Ijrought by the Curator from ocnn ; 



In ' Ml I - lui I A u, ii> named the Halt as now installed cont<i.i.;> 



iv. ...*^s of cave products, one of ripple marks, mud cracks, etc.. a 

 half case of glacial material and a half case illustrating rock weath- 

 ering, two cases of concretions and one case of scptaria. In or 



mplcte the lal>cling of this Hall temporarily, about 200 writ- 

 ten labels were prepared and installed. A similar rearrangement 

 labeling has been made of the material in the wall cases in H,iil 

 66. A half case is now devoted to rock textures, a half case to rock 

 jointing, two cases to ' ' " lucts, a half case to faults ri- ! 



folds, a half case to deiiini- -, .1 .liit case to oolites, a half cas< 

 vriv- "id a half cas«" '  ff > ?ii f<of metamorphism. A consider.!' < 

 «T of rough 1 ami marble material of van ; 



oh had been obtained from a number of sources was reduc« i 

 to unifonn size for installation with the regular building-stone .. 

 marble jn in Hall 67. Twenty four-inch cubes of limestone. 



S.I -, and other building stones were added in this v. 



and six large p-  ' ' slabs of grar 

 .; .s. In ' ' •  11 100 specimen 



p ■\ the " were grouped 



l« the St.. - - i 10 X 15 inches .' 



a >n. Twenty-five of these frames con- 



t- 1 one tn eight specimens each have been installed and thu.s 



a r of important specimens which it had not been 



p was added. About 70 temporary labels 



ik on biack cards were also prepared for this coll- 

 : .\ series of specimens illustrating the manui'at- 



