THE GRAPE PHYLLOXERA IN CALIFORNIA. 
13 
ings to correspond to a period of years within certain dates, will 
enable one at a glance to conceive the degree of injury produced 
and the loss sustained by the viticultural interests. 
A general idea can be formed of the growth of the viticultural 
interests of California and correlatively of the economic importance 
of the grape phylloxera by comparing the report on grape produc- 
tion of the State statistician for the year 1914 with the report of a 
similar nature for the period 1856-1866 (Table I). 
Table I. — Planting of vines in California in different perods. 
County. 
Vines planted in— 
Total 
vines 
existing 
in 1865. 
1 
Total 
bearing 
vines 
existing 
in 1866. 
Total 
vines 
existing 
in 1910. 
1856 
1857 
1858 
48,000 
9,000 
15,000 
125,000 
8,000 
45,773 
6,465 
3,120 
34,468 
175,000 
20, 000 
80,707 
24, 187 
4,285 
42, 640 
1,056 
77,472 
3,000 
915 
1,575,000 
180, 000 
726,363 
217, 665 
36, 000 
383, 760 
9,450 
697, 248 
27, 000 
8,235 
155,070 
757,773 
369, 785 
515, 049 
47, 800 
201, 518 
120 
1,441,039 
2, 390, 959 
314 604 
Amador 
Butte 
258, 742 
212, 300 
482,417 
2,972,130 
Calaveras 
Colusa 
10,000 
75,000 
Contra Costa 
Del Norte 
Eldorado 
6,390 
2,000 
800 
26,400 
1,000 
500 
581,342 
40,687,207 
4,095 
39 478 
Fresno 
Humboldt 
839 
252 
2, 917 
11,000 
200 
3,000,000 
11,542 
51,783 
100, 740 
84, 839 
1, 166, 035 
124, 000 
397, 101 
1,616 
951,315 
312,562 
1,915 
75 
493, 387 
18, 203 
16,000 
220,000 
2,000,000 
218, 100 
1, 534, 520 
4,737 
8,469 
950, 600 
2, 830, 195 
112,310 
163, 663 
145, 883 
19,096 
100, 950 
505, 250 
157,434 
494, 472 
Inyo 
Klamath 
1,000 
2,000 
18,000 
Lake 
296, 752 
31 
Lassen 
726, 000 
600,000 
500 
15, 227 
15,000 
11,650 
55, 000 
6,000 
5,742 
800 
119,500 
38,000 
4,000 
1,200 
28,640 
2,000 
40,000 
70, 000 
500,000 
6, 179 
6,100 
1,900 
1,000 
50,000 
170,508 
3,020 
135,369 
2,000 
1,717 
400 
29, 891 
61,903 
30, 000 
1, 650, 000 
600 
15, 000 
15,000 
50, 000 
90,000 
8,000 
5,000 
400 
327, 900 
75,000 
50, 000 
1,000 
40,000 
10, 000 
40, 000 
90, 000 
513,000 
20, 000 
25,000 
3,500 
2,000 
52,869 
187,621 
1,800 
50, 000 
5,500 
1,151 
30,000 
57,520 
155,425 
50, 000 
14, 850, 000 
5,400 
135, 000 
135, 000 
50, 000 
810, 000 
72, 000 
45,000 
3,600 
2, 951, 000 
675, 000 
450, 000 
9,000 
4,112,792 
90, 000 
360, 000 
810, 000 
4, 617, 000 
56, 000 
225, 000 
31,500 
180, 000 
554, 178 
2,000,000 
162, 000 
450, 000 
49, 500 
10, 359 
270, 000 
517,734 
1, 398, 825 
450,000 
4,923,877 
115 198 
Marin 
Mariposa 
1,000 
10, 000 
10,000 
22,700 
28,647 
1,281,342 
79,935 
8, 595, 338 
94, 338 
1,340,132 
Merced 
Napa 
Nevada 
Placer 
2,702 
Plumas 
Sacramento 
52, 200 
80,000 
4,000 
7,627,510 
987, 127 
1, 228, 858 
3,000 
13,371,794 
265,481 
124, 990 
208, 595 
5,584,480 
1,365,418 
117,481 
San Bernardino 
San Diego 
San Francisco 
San Joaquin 
13,467 
1,500 
5,000 
15,000 
150, 000 
5,000 
5,348 
*'"i,'666* 
56, 178 
61,590 
4,420 
45,123 
San Luis Obispo 
San Mateo 
Santa Barbara 
Santa Clara 
Santa Cruz 
Shasta 
Sierra 
Siskiyou 
2,473 
1,213,265 
18, 864, 163 
1, 932, 302 
1,249,923 
1,307,218 
2,842 
7, 227, 491 
95,811 
2,568,019 
162,751 
9,000 
20,416 
298, 813 
419, 582 
4, 538, 732 
795 
2,000 
282,682 
1,570,794 
Solano 
Sonoma and Mendocino 
Stanislaus 
Sutter 
Tehama 
Trinitv 
150 
Tulare 
Tuolumne 
9,858 
26, 902 
28, 000 
Yolo 
Yuba 
Alpine 
Glenn 
Imperial 
Kern 
kings 
Madera 
Modoc 
Mono 
Orange 
Riverside 
1, 530, 630 
36,398 
Ventura 
Total number of vines... 
1,540,134 
11,411 
59,077 
19,695,814 
28,966 
139,099,560 
