Page, 
REPRODUCTION—Continued. 
pearance of ferment in flaccid chrysalids, 42—Examination of the worms 
for pébrine corpuscles, 42—Isolation and examination of the moth, 42— 
Hastening development.of moth, 43—Method employed by M. Maillot, 43— 
Selection of cocoons for breeding purposes, 43—Forming chains of cocoons, 
44—Bags for egg-laying, 44—Cells used by the Department, 45—Method 
of clamping shells, 45—Cell used in the Pasteur system of egg-laying, 45— 
Time at which moths emerge from cocoon, 46—Separation of mating 
couples, 46—Removal of females to cells, 46—Microscopical examination 
of moths after laying eggs, 46. 
CHAPTER VII. 
RIUMSER CUR EMED CH EMGAGE fec o os claw sain SON sian daa Soc aieimajnielain oe dimaiee weinele cate 
Different methods of choking the chrysalis, 47—Drying cocoons, 47—Warning 
against ‘* museum pests,” 47. 
CHAPTER VIII. 
SOLE NTS HG 36 CRBS SO RERA OBOE CEOS TO: ASE Seem ee Aer eee Rater eee = 
Spun, reeled, and thrown silk, 49—The process of silk-reeling, 49—Sorting the 
cocoons, 49—Process of reeling cocoons, 50—‘‘ Cooking,” ‘‘ brushing,” and 
“cleansing,” 50—Elements of the mechanism of all modern silk-reels, 50— 
Chambon system, 51—Tavellette system, 51—Fineness of the cocoon fila- 
ment, 51—“ Lancing” of the filaments, 51—Mechanical devices for lancing, 
52—Temperature of water while reeling, 54—Importance of cleanliness, 
52—Composition of fresh cocoons by weight, 52—Percentage of silk in 
cocoons, 52. 
CHAPTER IX 
Pwetcat: CROPERTIES. OWFRERLED SILK 2 022.20. 02.5 ou kee isda noes cece eee Sie 
“Dramming” of silk, 53—Principles of the serigraph, 53—Serimeter, 54— 
Elasticity or ductility of silk, 54—Tenacity of silk, 55—Composition of 
the silk in the cocoon, 55—Hygrometric property of silk, 55. 
CHAPTER X. 
203 LUTE ce SEY SSSR As Sis QS ene Ma gi ae 2 ie aE lee A 
Indigenous species-of Mulberry, 56—Imported species of Mulberry, 56—The 
Moretti, 56—Russian Mulberry, 56—Paper Mulberry, 56x—Propagation 
by cuttings, 56—Growing standard high trees, 57—Amount of water of 
vegetation in Mulberry leaves, 57—Amount of mineral matter in Mul- 
berry leaves, 57—Osage Orange, 58—The secret of successful rearing of 
Silk-worms on this plant, 58—Selection of Maclura leaves for food, 58— 
Lettuce leaves, 59. 
GLOSSARY OF TERMS USED........- CHE SORES TOSS See pth ah ae or a as saree Aaa at 
EXPLANATION TO) PLATES! ... oc. cece ccccke wielainalcteismigistavacrane weretatre sicleimmh ale catereintsiote 
NK eas ie leisiereisioial cic lelat ce misi aces wictziehae ainvaleteTeiatal es aletnr'a’o/tiat eran cinvainicla Geremiania sha 
47 
49 
56 
60 
62 
63 
