INCREMENT OF TREES. -201 
DETAILED RESULTS OBTAINED BY MEANS OF PRESSLER’S BORER. 
AESCULUS HIPPOCASTANUM. 
Diam. Inct. for 40 years=9°44, Diam, in 1899=17'16, Diam. in 1859=7'72. 
Average. 
Year. | N.} S.} E.| W.}Sum tg Fy " er Memento 
Vulg. | Decimal. 
1860 | 441) 49) &e | | wy 33 8°05 25°289880 1:036728 
1861 | 4) 33 | 1) rs 36 8-41 26°420856 17130976 
1862} 44/42, 2) | OB fis 39 8-30 27°646080 1+225224 
1863 | 33] 44) 49 | ab] 48 : 37 917 28°808472 1°162392 
1864 | 32 | bE | 8F 1 48 | BF FF 32 9-49 29-813784 1-005312 
1865 | 32) 33) 44) 44) 8 Ys 42 9°91 317133256 1-319472 
1866 | HIM HIB] i 37 10°28 32295648 1°162392 
1867 | 33) 33) 2b) aE] 48 ; 37 10°65 33-458040 1162392 
1868 | AF} aE ET | | oP 38 11°03 34651848 1°193808 
1869 (HFM aH] HO 32 11:35 35°657160 1005312 
1870. | 33 | bf) | ae] 4F | 33 11-68 36-693888 1036728 
187 | 3 | 2 (a2) | vs 39 1207 37-919112 1°225224 
1872 | 4) | SL | Oe ive 35 12°42 39°018672 1-099560 
1873 | MIMI HH, 2 37 12-79 40°181064 1°162392 
1874 | 4] MIM) al | OM 36 13°15 41312040 «| ~. 1130976 
187% | Ha AL) | OS 33 13°48 42°348768 1036728 
1876 |UlHieI HN! ft 1 34 13-82 43°416912 1068144 
W877 | 43) de} ab} ae] |S 33 14°15 44°453640 1036728 
1878 | Hi ds | HR] 4 43 34 14°49 45°521784 1068144 
1879 | 43) 32] &} 3d) 4h 34 14-83 46°589928 1068144 
1880 | & | & | ek | | os 28 15°11 47469576 "8794968 
1881 | & | Al ALR] 2 is 24 15°35 48-223560 753984 
1882 |v l| ala | | BH | Os “28 15°63 49°103208 “879648 
1883 | fej fe | a | OF } 25 15°88 49°888608 “785409 
1884 | A] | de | oe | yi 20 16°08 50°516928 "628320 
1806 fe A te | oe] EP 21 16°29 51°176664 659736 
1886 }alaAlalaA! H es 11 16°40 51°522240 345576 
1887 [| AliAlal a) | YS 11 16°51 51°867816 345576 
1888 | Ai ala] a] } 12 16°63 52°244808 "376992 
18899 | AlAlAlLA| ‘ 09 16°72 52°527552 382744 
1900 | AL AlAl al & | ris 07 16°79 52°747464 “219912 
és ‘ sé ue pet 9-44 ‘a - ao 
