were incorporated into the fossil-mammal collections. Curator 

 Langford spent considerable time in attending to fossil plants. He 

 trimmed and hardened friable matrix of numerous specimens with 

 dextrin solution. He also made excellent progress in arranging the 

 collections for convenience and accessibility, which involved making 

 a separate record of the cases and drawers and their contents. 



Exhibits— Geology 



On Tuesday evening, March 27, members of the Board of Trustees 

 formally presented to the Museum a spectacular exhibit that 

 is a new landmark in Stanley Field Hall, outrivaling the African 

 elephants — skeletons of two dinosaurs, a monster predator (Gorgo- 

 saurus) standing over his prey (Lambeosaurus) . The occasion of 

 presentation, appropriately named Dinosaur Night, was attended 

 by a large number of Museum Members and friends of the Museum 

 and concluded with a lecture on dinosaurs by the internationally 

 known authority Dr. Edwin H. Colbert, of the American Museum 

 of Natural History. The exhibit, which was under preparation for 

 nearly two years, is essentially the work of Chief Preparator Gilpin, 

 who was aided by Preparators Stanley Kuczek and Cameron E. 

 Gifford and Assistant Curator Turnbull. Advice was given by 

 Curator Zangerl, who also prepared a booklet for the occasion 

 describing the exhibit. An added attraction, a miniature model of 

 the dinosaurs designed to show their original form and possible 

 skin-color, was ably sculptured by Miss Wiebe, Departmental 

 Artist (see Dinosaur Night at the Museum, page 24). 



Although the dismantling of the Hall of Meteorites and Minerals 

 (Hall 35) consumed much time (see page 57), every effort was made 

 to continue the exhibition program. During the year six exhibits 

 were completed for the new hall, three on meteorites, representing 

 (1) the fall of a meteorite, (2) hypothetical origin of meteorites, and 

 (3) meteorite showers and forms of meteorites, and three on minerals 

 of the quartz family showing crystalline and cryptocrystalline 

 quartz, opal, and silicified wood. These are essentially introductory 

 exhibits, and preparations for systematic exhibits are under way. 

 To aid the Raymond Foundation lecture-program a new exhibit 

 providing information about the causes and effects of earthquakes 

 was added to the Hall of Physical Geology (Hall 34). As in past 

 years, the exhibition program was carried out in harmonious co- 

 operation by Curator Changnon, Assistant Horback, and Preparator 

 Taylor. The paintings in the exhibits are the work of Miss Wiebe. 



58 



