LIST OF ILLUSTRATIONS. Xlil 



42. Cross-section of a box packed with two-year-old Green Ash, 



Box-elder, and Birch. 



43. Cross-section of a box packed with Pine seedlings. The roots 



are covered with moist sphagnum moss. 



44. Plants assembled together for packing in a bale. 



45. The bale ready for covering. 



46. The bale completed. 



47. White Willow windbreak seriously injured by successive attacks 



of saw-fly larvse. 



48. Seedlings set close to stumps to protect them from the tramp- 



ling of cattle. 



49. Heaving out by frost. 



56. Trees heavily loaded with ice after a sleet storm. 



51. Old frost cracks in Sugar Maple. 



52. Trunk of Soft Maple badly sunscalded. 



53. Section of trunk of sunscalded Basswood. 



54. Agaricus Melleus. 



55. A fire ball. 



56. Firebreak on a great sand dune in France, which has been suc- 



cessfully covered with Pine. 



57. Sand dune near Seven Mile Beach, New Jersey. 



58. Cross-section of White Pine crowded and then open-grown. 



59. Cross-section of White Pine open-grown. 



60. Measuring the height of a tree by a simple geometrical method. 



61. Determining the volume of a felled tree. 



62. The progressive volume of a tree. 



63. Calipering a tree. 



64. Forstman's Mirror Hypsometer. 



65. The Mirror Hypsometer in use. 



66. The accretion borer. 



67. Using the accretion borer on the trunk of a tree. 



68. Common method of quarter-sawing Yellow Pine for flooring. 



69. Showing method of quarter-sawing to bring out the figure of the 



wood to best advantage. 



70. "Shelf" fungus on the stem of a Pine. (Hartig.) 



71. Schonmunzack in the Black Forest, Germany, showing a cori- 



bination of forestry, farming, and manufacturing. 



72. Combination of city, park, and forestry at Heidelberg, Germany 



73. Scene in the Black Forest near Oberthal, Germany, near a 



popular resort. 



