40 
GENERAL INDEX. 
observations by Dr. Kuhn, of crops 
infested by, and remedial measures, 
46, 47 
Synonym of, 1887, 1; presence of, in 
Stem-sick Clover, identified by Dr. 
Ritzema Bos, 2 ; descriptions of Eel- 
worms, 4, 5 ; description of appear¬ 
ance of Stem-sick Clover, 6, 7; Tulip 
galls, Onions, and Carnations infes¬ 
ted by, infestation occurring to crops 
subject to attack, if put in on infested 
land, 7, 8 ; great length of life of, 8; 
observations continued, as causing 
Tulip-root in Oats, 64-71; effect of 
condition of land on, 69 ; manurial 
applications, found successful or 
otherwise, 69, 70; wild plants liable 
to infestation, 70; Barley not known 
to be liable to-infestation, Wheat 
capable of infestation, 71 
Continuation of observations of, 1888, 
72-76; details of various kinds of 
manurial applications, with results 
in checking attack, 73-75 
Observations on, and allied species, 
1889, 1-12, 32-35 ; table of charac¬ 
teristics of T. devastatrix , after Dr. 
Ritzema Bos, 6 ; with plate to face, 
note of, as attacking Potatoes, me¬ 
thods of prevention and remedy, 7- 
12; including possibility of trans¬ 
portion of eelworms in fodder, ma¬ 
nure, and infested earth, 9 10; and 
recipes for successful application 
of sulphate of iron, also sulphate of 
ammonia with sulphate of potash, 
10,11; continuation of observations 
of attack of, to Oats, 32-35 
First observed on Bean plants, 1890, 
i; infesting Beans, 16-21; descrip¬ 
tion and measurement of infested 
Bean plants, 17, 19—life-size figure 
to face p. 17; prevention and reme¬ 
dies, 20, 21 
Considered jointly with other species, 
1894, 49 ; explanation of figures, 
50, 51; dimensions, 51; some of the 
plants attacked by, 51; discovery in 
Hop-roots, by Prof. Percival, 52-54; 
observations on this infestation 
First record of Onion infestation by, 
1896,107; description, 108; descrip¬ 
tion of eelworms, with illustrations, 
109 ; effect, on grown bulbs and 
seedlings, 112; remedies, 113-115; 
steeping seed to destroy, 114 ; caus¬ 
ing Stem-sick Clover and Tulip-root 
in Oats, 44-52; in Cow Clover, after 
Trifolium incarnatum, 45; descrip¬ 
tion of Clover-sick plants, 46; de¬ 
scription of Tulip-root, 47; attack 
in Tulip-root, after Stem-sick Cow- 
grass Clover, 48, 49 ; remedies and 
treatment, to prevent, 50-52 
Powers of suspended animation of, in 
a dried state, 1897, 87, 88; differ¬ 
ences of sex in adults, 88; Tulip- 
root in Oats, caused by, 86-90; 
Clover Stem-sickness, caused by, 90, 
91; injury to field Beans by infes¬ 
tation, 93; preventive applications 
and dressings, 94 
Injuries, range of date of, 1898, 17; 
Sclerotinia trifoliorum accompany¬ 
ing Tylenchus, 18 ; S. trifoliorum 
attacking same plant as T. devas¬ 
tatrix, observations on, by Dr. Rit¬ 
zema Bos, Holland, 19 ; description 
of wormlets, 20; characteristic fea¬ 
tures of diseased plants, 20; lo¬ 
calities of infestation, 18-26; diffi¬ 
culty of separating from other at¬ 
tacks, 20-26; particulars of infesta¬ 
tion, 22-28 ; sulphate dressings 
having injurious effect on wormlets, 
23 ; presence of, easily caused by 
other crops liable to infestation, or 
from manure, 24; prevention and 
remedies, 26-29; observations on 
nature, and treatment of infestation 
in 10th, 14th, 18th, 20th, and 21st 
Annual Reports; method of infes¬ 
tation, and prevention of spread, 
28; special applications for Clover 
and Oats, 29 ; sulphate of ammonia 
and potash for, 29 ; rotation of crop 
liable to eelworm injury, to be avoid¬ 
ed, 29; figure of male and female 
T. devastatrix , 26 
Tylenchus dipsaci (see Tylenclius devas¬ 
tatrix) 
Tylenchus obtusus, 1886, 36 ; 1887, 4 ; 
1889, 1 
Tylenchus tritici, 1885, 81-84; 1886,48, 
49 ; 1887, 65; 1894, 47-49 
Attack in grain, 1885, 81-84; effects 
of temperature, 82 ; attack in plant, 
83; effects of solutions on, 83 ; steps 
to kill, 84 
Account of, 1886, 48, 49; to destroy, 
by placing infested grain in water, 49 
To prevent infestation of, in Wheat, 
1894, 48 
Typhlocyba rosce, mentioned, 1881, 30 
Typhlodromus pyri (see Phytoptus pyri) 
Tyroylyphidce, characteristics of, 1890,41 
Tyroglyplius longior, 1890, 40-45; 1891, 
25-31; 1892, 57-60; 1894, 27-33; 
1897, 95, 101-104 
Description, 1890, 40, 41; in hayrick, 
42; to destroy, by burning refuse, 
44 ; no reason why cattle should 
be injured by, 48 
Localities for, 1891, 25-30; prevention 
and remedies, 30, 31 
Enormous amount of, in Hay, 1892, 
57, 59; localities for, 58, 59; not 
injurious when eaten in Hay, 59 
Vast numbers in which they are ob¬ 
served, 1894, 28, 29; found in well 
saved Hay, 29 ; but little heated, 
29, 30; not injurious to stock, 32 
