32 FlKI.n Coi.tMHIAN MlSCUM — REPORTS. Voi.. II. 



lain Is and spiciiiu-n mounts have bi'^'n devist-d and will be incorpo- 

 rated in tht installation during the coming year. 



In Mall ' '• d to an « \htbit ot cave 



i' >i Illations an«i < .i\ • nic has i<< < n j>hjmiiii .^lalattit' ''■ "mites 

 ukI oth« r ravf formations from s»v«ral well known ■■: the 



' ■:!«.! Stnti*; hav«- lut-n mounted in their natural [■ ;i and a 



Mg corresponding in form and details to a typical lime- 

 stoi . ijiven. Accessories illustrating water, and animals which 



live III uch as bats, blind 6sh, crayfish and crickets are 



used, i he whole illustrates the nature and manner of growth of 

 lini> >rmations and the living forms which characterize 



to the darkness of tl • • ior of th- from 



ii^ i'< 111^ < III iiix, u on all but one side, eU i iin u^^hts are u->> u i<i illu- 

 minate the interior. Tli«- other cases in the same hall have been 

 lin.f1 and repaint* d. the specimens thoroughly cleaned and re- 

 i \ .1 taining a collection of claystones has been 



added About half th' - containing the systematic mineral col- 



lection have also been lined and painted, the specimens cleaned, 

 carefully re-identified and re-installed. The Chalm«rs cr> 

 tion received from exhibition at the Paris Exposition hah bt^n 



" d in Hall 64. The work of transferring the invertebrate fossils 

 iu u!' mounts of manila board di-scribed in a previous report has be^Mi 

 continued, in preparation for removal of the collection to new rivi < 

 now in process of construction. A foreleg, complete with the e,\ , 

 tt«)n ot a few* foot bones and inckiding the shoulder girdle, of the 

 large dinosaur Aforotaurus, has been mounted and installed in Hall 

 36. A femur and humerus of Camarasaurus, which are the largest 

 dinosaur bones ever discovered, together with several vertebrip and a 

 rib of the same animal have also been placed in this hall. These 

 - are of illy high scientific value and interest. 



i n« com ttions in iiaii 79, devot«-d to ores of the base metals, 

 have Ixen con '«i-  ly re-installed. The old cases wer- '• tn.v. d and 

 n« w rases, p <l in part from the I'nit- d States I >n to 



thi I'ans V.\ n, substituted. 1 >^ are constructed of 



maliDjiany and plate glass and represent a permanent style of instal- 

 lation. The types of cases employed are three, a wall case, a flat 

 floor case and an upright floor case. The wall cases are twelve feet 

 long and seven feet high. The upper portion of the case, di signed 

 for the exhibition of smaller specimens, is ten inches deep and is 

 fitted with five slanting shelves. Specimens installed on these 

 shelves are mounted on mahogany blocks beveled to make a 

 Kv(l support, to th»- front of which the lab<.l is attached. It is found 



