so 



PUBLIC HEALTH 



redhead duck, which lay-, from 

 fifteen to twenty eggs. Repro- 

 duced from studies made al 

 Crane Lake Saskatchewan, 

 ( anada. 

 The loon is justly lamed for its 



>kill a> a diver, 

 Loon Group 



and can swim 



with great speed under water. 

 Its weird call is a familiar sound 

 en the northern New England 



lakes. Many loons pass the 

 winter at sea fifty miles or more 

 from land. (Reproduced from 

 studies at Lake Umbagog, New 

 Hampshire.) 



This rocky island thirty 

 miles from shore 

 in the Gulf of St. 



Bird Rock 

 Group 





Love making of the prairie chicken. In this position 

 Lawrence anords and with orange-like air sacks inflated, he produces a 

 . 1.1 booming sound which may carry a distance of two 



some protection to the sea birds miles 

 which still nest in great numbers 



on and in its cliffs, although the colony is a mere shadow of what it was 

 even fifty years ago. Seven species are shown nesting in the group. 

 Namely the razor-billed auk, petrel, gannet, puffin, kittiwake gull, com- 

 mon murre and Brunnich's murre. (Reproduced from studies at Bird 

 Rock, Gulf of St. Lawrence.) This was the first habitat group. 



[Return to the South Pavilion containing the apes and monkeys.] 



WEST CORRIDOR 



Public Health 



Returning to the South Pavilion where the monkeys are, and passing 

 to the right, we enter the West Corridor containing the exhibits of the 

 Department of Public Health. 



The Hall of Public Health is dominated by a bronze bust of Louis 

 Pasteur, the founder of scientific bacteriology ami preventive medicine, 

 which was presented to the Museum through the courtesy of the Pasteur 

 Institute of Paris. Near the head of the stairway is a reading table where 

 pamphlets bearing on insect borne disease and other public health problems 

 may be consulted. 



