INDEX. 



PAGE 



Animalcules, abodes of 106 



Aquarian Microscope 113 



Bell-flower Animalcule... 112, 121 



Birds, down of 59 



Blood, circulation of 138 



Boat-fly 76 



Brimstone Butterfly 42 



Burnet-Moth 39 



Camera Lucida ,. 20 



Camera Obscura, eye com- 

 pared to 64 



Canada Balsam 26 



Carchesium 125 



Cells, development from ... 52 



Cilia 122 



Coal 93 



Coddington Lens 3 



Collomia Seed, spiral fibre of 83 

 Compound Eyes of Insects... 68 

 Corpuscles, paleness of ...... 144 



Condensing Lens 11 



Cricket, eye of 74 



Crustaceans, circulation in... 143 

 Crystalline Lens, fibres of ... 65 



Crystallization, to view 96 



Crystals 95 



Cuticles of Plants 81 



Deer, hair of 57 



Diameters, meaning of 31 



Diaphragm Plate 16 



Diatoms and Desmids 85 



Diatoms as Test-objects 118 



PIG* 



Diatoms fossil y3 



recent 01,115 



Dipping Tube, to use 113 



Dragon-fly, eye of 69 



wing of 34 



Drawing 20 



Earwig, wing of 30 



Eel, scales of 47 



Emperor Moth 41 



Epistylis 125 



Eyes, care of the !<> 



Eye, structure of .".... 64 



Feather, booklets of 60 



Fern-seed 87 



Fishes, circulation in 140 



Fish, eyeof 62 



Floscule 131 



Flowers, mode of viewing ... 80 



Fly, foot of 75 



Foot of Frog to observe, 138 

 142, 145 



Foraminifera 94 



Fossil Trees 92 



Frog Spawn 108 



Geranium, petal of 85 



Ghost Moth 38 



Glare, plans for moderating.. 13 



Green Forester-Moth 38 



Hair, root of 58 



structure of 53 



Hairs as opaque objects 59 



