Y 
Z 
IV 
CHAPTER III. 
IMPLEMENTS THAT FACILITATE THE RAISING OF STEK «2. c00 cocq/s-ce eo. cclec owas 
Arrangement of the room, 20—Best exposure, 20—A modern magnanerie, 20— 
Vertical distance between two shelves, 20—Shelf made of canes, 21—Con- 
struction of the cane shelf, 21—Wire-work shelf, 21—Frame covered with 
slats, 22—Standard for holding shelves, 22—Transfer of worms, 23— 
Stretched netting for transferring worms, 23—Perforated paper for trans- 
ferring worms, 23—Lattice-work transfer tray, 24—Transfer drawer, 24— 
Bag for gathering Mulberry leaves, 24—Davril’s cocooning ladder, 24. 
CHAPTER IV. 
eH oREARING OF ASlLK-WORMS ; -< 22. nm soca seem tome e sien ela eee ee 
Chief conditions of success, 26—Use of good eggs, 26—Proper care of the 
worms, 26—Cleaning room and implements, 26—Handling of the young 
worms, 26—Hashed leaves versus whole leaves, 26—Number of meals, 26— 
Definite rules of little avail, 26—Experience the only guide, 27—Impor- 
tance of dry leaves, 27—Food during a molt, 27—Irregularity of molt, 27— 
Importance of keeping each batch together, 28—Food after a molt, 28— 
Attention during fourth molt, 28—Change of color of the worm with suc- 
cessive molts, 28—Temperature and circulation of rearing-room, 28— 
Amount of food consumed by worms, 29—Space occupied by worms, 29— 
Necessity of cleanliness, 29—Summary, 29—Preparations for spinning, 29— 
Arches for the spinning of cocoons, 29—Method of constructing arches, 
30—Temperature of room, 30—Necessity of separating worms, 30—Pre- 
vention of double cocoons, 30—Gathering the cocoons, 30—Removal of 
stained cocoons, 30—Separation of the pods from the floss silk, 31—Loss 
in weight by evaporation, 31. 
CHAPTER V. 
ENEMIES AND DISEASES.OF THE SILK-WORM 22. .25)..2--0 + pees ceeseuejeas wanoeeee 
Insect parasite, ‘‘ uji,” 32—Number of diseases, 32—History of the diseases,32— 
Muscardine, 32—Symptoms, 33—Botrytis bassiana cause or effect of this dis- 
ease, 33—Views of different authori ties, 33—No absolute remedies known, 
33—Rational means of preventing spread of disease, 33—Pébrine, 34A—Ex- 
ternal symptoms, 34—Description of spots, 34—Internal symptoms, 35— 
Description of corpuscles, 35—M. Guérin-Méneville’s theory, 35—Pasteur’s 
demonstration of the source of the disease, 35—Transmittal of corpuscles 
from mother to egg, 36—Vittadini’s system of selection, 36—Pasteur’s sys- 
tem of selection, 36—Fiaccidity (flacherie), 36—External symptoms, 36— 
Appearance of diseased worm, 36—Description of disease, 37—Internal 
symptoms, 37—Microscopic appearance of intestines, 37—Chain ferment, 
38—Foul cocoons, 38—Predisposition to the disease hereditary, 39—M. 
Pasteur’s theory, 39—Verson’s and Vlacovich’s theory, 39—Causes of dis- 
ease, 39—No satisfactory remedies, 39—Grasserie, 40—Desciption of dis- 
ease, 40—Conclusions, 40. 
CHAPTER VI. 
IRE PRODUCTION -<comeinc <2 dose aie es een ae eign ee ae ete 
Former process of egg production, 41—Pasteur’s system of microscopical selec- 
tion, 41—Examination of the worms for flaccidity,41—Examination of the 
chrysalis, 41—Directions for extracting stomach from chrysalis, 42—Ap- 
26 
32 
41 
