206 



INDEX. 



PAGR 



Sense-training 89 



Shepherd's purse (r) ... 198 



Silkworm 48 



Skeletons 89, 120 



" chicken's . . . . 78 

 " how to prepare . . 191 

 Sloughing the skin .... 



66, 68, 128, 141 

 Snails and slugs (r) . . . .198 



Snake 8, 141 



Snow(r) 199 



Soils 198 (r), 93-101 



11 acidit}' and alkalinity . 99 



" classes of 94 



" water capacity of . . 96 

 Specimens, pockets for . . 148 



Spiders 80-83 



Spring-beauty (r) . . . .198 

 Squirrels (r) . . . . 77, 141 

 Stages of aK. S. lesson 11, 37 

 Stars, values of the study . .180 



" maps 181-186 



" helpful books . . . . 188 

 Sulphur butterfly . . 127-130 



Sun 179 



Swallow 123 



Swallow-tail butterfly . . . 135 

 Sympathy, how exercised . . 

 4, 8, 29, 48, 49, 65, 71, 72, 122 



Tadpole, development of . . 63 

 Teachers' preparation forN. S. 5 

 Teeth . . 13, 189, 190, (r) 198 



MM 



Temperature 92 



" effects on water . 104 



Tent-caterpillar 134 



Thermometer 105 



Time-table, N. S. on, 22, 34, 35, 45 



Toad 59, 66 - 68 



" comparison with frog . 71 

 Tomato- worm . . . . .137 

 Topics of lessons — 



how to choose 18 



classification of .... 19 



Trees 50 



11 a lesson on planting . 154 



Trillium (r) 158 



Twigs, markings on ... 87 



Ventilation of school-rooms . 112 



W 



Wallis, J. B., quoted ... 58 



Wasp (r) 3 



Water capacity of soil ... 96 



Water, an object-lesson, 101-109 



" volume and weight . 102 



" hard and soft . . .107 



" tests of purity . . 108 



Weather records . 22,51,53, 91 



Weeds (r) 199 



Wheat (r) 199 



Wheel and axle 177 



Window gardening . . 50, 83 



Winds 92 



Woodpeckers (r) . . .121, 199 



