221 [ 175 ] 



INDEX, 



Page. 

 Abstt'act and condensed view of tlio rvL of rearing' sUkwonns; v- - 120 



Acid fumigations purify tfie ulr of a lubonitoiy, .... 127-8 



Akiming' of silks, ........ igg 



American native yellow dies, .-----. 198 



Analysis of the leaves of the wliite mulberry tree, - ■> - • SO 



Ants, red, _c,-rc:'.t enemies to siikwoi-ms, ----- 68 



Apparatus for feeding- silkworms, by the Rev. Mr. Swayne, - - - 56 



Art of rearing" silkworms, whole process of ... - - 71 



Baking- of cocoons, ---...,. 141 

 Birth and coupling of the silk motli, --..-. 108 

 Black, to die - - - - - - - - - 199 



process by Vitalis, .--.-.. 201. 



Blazing' fires, utility of, iu damp v.catlier, - . . . 89, 96, 123 



Blue, to die - - - - - - ... . 196 



byllavmond, .--.... 196, 217 



Turkish, - - - - - - - - 209, 216 



Brown, to die - - - - - - - - 212 



Budding- of the mulbcriy trees, recommended, - - - - 47 



ikiff, to die --■--'---. - 209 



Bug-!iy, or Tusseh, and Arrindy silkwornri of India, - - - - 39 



Cabins, to prepare, for silkworms to sjiin cocoons, - - - - 98 



Calculation of labor and profit of worms, fed on the leaves from an acre of trees, 



in Connecticut, ..-.-.,. 11$ 

 Carrelet, an apparatus to spin inferior silk, - - - - - 153 



China, native silkworms of - - - - - - - 41 



Chrysalis state of the silkworm; chang'es into the pupa state, - - - 32 



Cleanlinirss essential to health of woi'ms, - - - - - 97 



Cleansing' of silk previous to dying-, ---.._ 182 

 fJocoons, construction of - -- - - - -32 



escape of the worms from them, how eflected, - - - 33 



gathering- of, - - - - - - - « 105 



selection of those intended for eg-g's, - - - . 106 



pi-eservation of, ------ - 107 



daily loss of weight of, ----- - 108 



facts respecting;, containing- heallhy, diseased, and dead chrysalides, 114' 

 weight of various parcels, -produce of, from an ounce of egg-s, 116-17 



proportion of dilieretit qualities of, before and after balcing-, - 119 



division of, into various qualities, - . . - . 135 



to judge of their qualities, ..---. 137 

 how to kill the chrysaiis, -.-,-.-- 139 

 by steaming, ..--.. 139 

 by baking in an oven, ----- 141 



royal, perforated, and souHions, . - . - . 142 



reeling oft", apparatus for, and whole modc^ of pi-ocedurc in, - 142 



daily task of reeling, in Italy, - - - - - 149 



Cradle, indigo, description of the figure of, - - - - - 15?' 



Crimson, fine, to die, - - - - - - 191,210,211,213 



Crops, two or more, of worms in one season, on rearing, - - -36 



Dandelion will sustain young worms, ------ 63 



Darkness essential when the moths are hatclicd and coupling, . - - 109 



■Qi^bandiiTg the silk from the reel, on - - . ,. •> 1^0 



29 



