MAMMALIAN LIFE-HISTORIES. 



TIMES OF ACTIVITY. 



Hours of beginning 



daily activity. 



and cessation of 



Unusual activity, as of diurnal species 

 at night or of the nocturnal by day. 



MIGRATION. 



Local or general movements before 

 and after breeding. 



Dates of appearance and disappear- 

 ance (especially of bats). 



Extent and direction of movements, 

 local and general. 



Causes of migration — food supply, 



climatic, physiological. 

 Unusual migratory movements, as the 



spasmodic irruptions of lemmings, 



with causes therefor. 



HIBERNATION AND ESTIVATION. 



Date of entering upon and emerging 

 from hibernation. 



Causes of hibernation and estivation — 

 the relation of climate, soil, physiol- 

 ogy, and food supply. 



Condition of animal before, during, 

 and after hibernation. 



Details as to completeness or incom- 

 pleteness of torpidity. 



Place of hibernation or estivation. 



Habits associated with hibernation 

 and estivation. 



MOVEMENT. 



Modes of running, jumping, climbing, 

 digging, swimming, flying. 



Gait ; speed ; endurance. 

 Other activities. 



VOICE AND OTHER MEANS OF INTERCOMMUNICATION. 



Calls in general; courting; alarm; 

 challenge; warning calls. 



Descriptions of barking, baying, 

 screaming, howling, squeaking, 

 squealing, singing, roaring, bugling. 



Warning attitudes; flash signals. 



Emission of glandular secretions. 

 Odor posts. 

 Touch. 



Other means of intercommunication. 

 Organization of communities — leaders, 

 sentries, rank and file. 



HABITS ASSOCIATED WITH FEEDING AND DRINKING. 



List of foods eaten. 



Food at different seasons. 



Physical characteristics and habits as- 

 sociated with food getting. 



Conveyance and storage of food; hay 

 making. 



Dependence on water ; times and man- 

 ner of drinking; other associated 

 habits. 



INDIVIDUAL CHARACTERISTICS. 



General disposition and temperament ; 

 intelligence ; attitudes ; strength ; 

 vitality; tenacity of life; courage; 

 esthetic sense; eating of young by 

 parents; cannibalism in general; 

 degree of sociability; playfulness; 

 length of life. 



Sanitation, cleanly or filthy habits. 

 Reactions to sound, light, odor, taste, 



touch. 

 Relation of physical characteristics to 



sense reactions. 



RELATION OF CHARACTERISTICS AND HABITS TO EXISTENCE AND SURVIVAL. 



Movements. 



Attitudes. 



Instincts. 



Intelligence. 



Coloration — concealing, disruptive, di- 

 rective, warning, mimicking. 



