49g 



REPORT OF NATIONAL MUSEUM, 1903. 



by rail from Bo.ston, therefore more than a twenty-four hours' journey 

 from Chicajj'o. It is supported by several universities of the United 

 States and publishes, among- other things, biological lectures of a more 

 or less popular character, which are given there. The U. S. Fish 

 Commission of Washington also has a station at Woods Hole. 



The Hull Botanical Laboratory^ shown at the right in tig. 74, has four 

 stories, and is 112 feet long and 56 feet wide. The rooms of this 

 building are also especial!}^ well lighted. The greenhouse is 75 feet 

 long, 33 feet wide, and easily reached by an elevator. It affords space 

 for growing plants under different conditions (tropical, arctic, desert, 

 aquatic) in order to experimentally determine their influence over the 

 organism. The temperature and moisture can be exactl}^ controlled. 

 Underneath, in the fourth story, are rooms chiefly for the study of 

 plant physiology, a chemical laboratory, a woi'kshop, and others. In 



Fig. 71.— University of Chicago. Hull biological (zoological and botanical) laboratories. 



the third story are studied the taxonomy and morphology of crypto- 

 gams. In the second story are the great herbarium, an excellent 

 library, laboratories, etc., and on the ground floor the lecture rooms 

 and the large general laboratories for beginners. Parts of the base- 

 ment and of the ground floor are temporarily occupied by the printing 

 establishment of the university. 



The Hull Physiological Lahoratory, seen in fig. 75, has four stories, 

 is 112 feet long and 55 feet wide, and is connected with a green- 

 house for the rearing of insects and plants. In the basement are a 

 cold-storage room, a marine aquarium, a vivarium with excellent 

 appointments, a workshop, etc. On the first floor is the laboratory 

 for beginners, a lecture room, a photographic room, and galvanometer 

 room. In the second story is the large lecture hall, with a practical 

 arrangement for lantern projections, the library, an optical room, two 



