UST OF FIGURES 



Number Title Pa^e 



49 Relative Survival among Adult Grouse Adjusted to the Mean Size and Age 



Composition of the Fall Population on Connecticut Hill and Adiron- 

 dack Areas— 1930-31 to 1941-42 537 



50 Seasonal Distribution of Dead Grouse Found on Connecticut Hill Area— 



1930-1942 537 



51 Grouse Population Fluctuations Recorded from Year to Year during the 



Investigation on the Connecticut Hill and Adirondack Study Areas — 

 1930-1942 545 



52 Average Life Equation of Increasing Grouse Population 547 



53 Average Life Equation of Stable Grouse Population 548 



54 Average Life Equation of Grouse Population Decreasing Primarily as a 



Result of High Over-winter Mortality 548 



55 Average Life Equation of Grouse Population Decreasing Primarily as a 



Result of High Nest Mortality 549 



56 Average Life Equation of Grouse Population Decreasing Primarily as a 



Result of High Brood Mortality 549 



57 Relative Degrees of Fluctuation of Fall Grouse Population Densities on 



Connecticut Hill AND Adirondack Areas — 1930-1942 559 



58 Trend of Fall Population Levels on the Connecticut Hill and Adirondack 



Areas with Smoothed Values Superimposed 565 



59 Years of Principal Declines in the Abundance of Ruffed Grouse in Various 



Regions of Its North-eastern and North-central Range— 1900-1944 566 



60 Relationship of Trend in the Average Density of the Fall Grouse Popula- 



tion on the Connecticut Hill Area to the Densities within the Vari- 

 ous Compartments Comprising the Area 569 



61 Trends of Fall Grouse Population Densities koh the \ \hii>i > Comi-vrt- 



MENTS of the CONNECTICUT HiLI. \rE\ 1930-1012 T ' 



()2 ()^E OF THE Many Possible Arrangements of ('over Types \\nHi\ a Covert 

 WHICH Shoii.d Provide Faceptionm. Ci>NniTi()NS for Both Bird vnd 

 HUNTKK 595 



63 An Analysis ok the Productiveness of Some of the More Usual Comhinv- 



TioNs OF Cover that Make up Grouse Habitat in New York State 610 



61 Theoretical Distribution or the Same Amount of Critical Grouse Cover 



Types to Illustrate the Importance of Proper Arrangement ()13 



65 A Practical Illustration of the Effect of Cover Type Arrangement in De- 



termining THE Number of Grouse Habitats in a Covert 613 



66 Simplest Design for Planting Open Land to Provide Grouse Cover 616 



67 More Productive Design for Planting Open Land to Provide Good Grouse 



Cover f*'" 



68 Grouse Habitat Development on Submarginal Land 619 



69 Organization of a Covert for Both Grouse and Timber Production 625 



70 Approximate Maximum Allowable Harvest by Hunting According to Dens- 



ity OF Fall Population (" ' 



71 Topography of Connecticut Hill and Adirondack Study Areas 696 



72 Relationship of Wooded and Overgrown Land to Open Land on Connecti- 



cut Hill ^y~ 



