INCREMENT OF TREES. 211 
ULMUS MONTANA, NO. 93. 
Diam. Inct. for 15 years=7°16. Diam. in 1900=11. Diam, in 1885=3°84, 
Average. fe * 
Eee et ae ee Diameter.) Ci fe Increment. 
Vulg. | Decimal, 
1886 | 4) M1) BO] ote 58 4-42 13°885872 1:822128 
1887 | 331 441 491 841 49 a4 “54 4-96 15°582336 1696464 
1888 | 3$ 1/45) 4¢ 1421] 88 $4 53 5:49 17247384 1°665048 
1889 | 32 | 32) 331391) 8°] Ae “69 6°18 19°415088 2°167704 
1890 | 32 84 ( #2) a8] 1 vA, “55 6-73 21°142968 1:727880 
1891 || M1 M1 HI] re ‘58 731 22965096 1:822128 
1892 | 38 | 4149] &e] aS fe “43 T74 24-315984 1°349888 
1893 | #3} 4 [4] aE] ft } =) 8°24 25°886784 1°570800 
184 af) 1 ae | al Be | OA 38 8°62 27-080592 1193808 
1895 | #4) 4) 49] ab) 33 rit; “30 8-92 28°023072 0942480 
1896 | 3) a a aA) 4 5 9:42 29°593872 1+570800 
1897 | #1 & | | | 8 + 46 9°88 31-039008 1°445136 
1898-| 49 | 44 | 44) a8] 1g “40 10-28 32-296648 1:256640 
18999 || MM] OAS z 31 10°65 33°458040 1°162392 
190) | #/] lag) &| 48 23 35 11-00 34-5576 1-099560 
716 
