INDEX 
Flying squirrel, 264, 
“  tree-toad, 260. 
Food-supply of deep sea, 116. 
Fresh Waters, 136, 
Fresh-water mussel, 149. 
“f snail, 151. 
spider, 181. 
sponge, 155. 
it 
Frog, 177. 
“on seashore, 13. 
Gaff top-sail, 57. 
Gill clefts, 187. 
Glass-Rope-Sponge, 123. 
Gliding flight, 247. 
Gnat, 152. 
Gossamer shower, 267. 
« spider, 267. 
Great deeps, 104, 108. 
Great Northern Diver, 246. 
Great Salt Lake, 1. 
Guillemot’s egg, 54. 
Gunnel, 13, 
Hemoglobin, 202. 
Harlequin-flies, 203. 
Harvest mouse, 213. 
Hedgehog, 217. 
Hesperornis, 85. 
Hibernation, 217, 255. 
House-fly, 234. 
Tanthina, rot. 
Infusorians, 147. 
Instinct, 239. 
Jelly-fishes, 77, 91, 92. 
Jerboa, 206. 
King-crab, 14. 
Lamprey, 172. 
Land crabs, 223. 
Land plants, 190. 
Limpet, 21. 
Lion, 214. 
Lobworm, 15. 
Luminescence, 124, 
Lump-sucker, 56. 
Mackerel, 70, 
Malaria, 151. 
Marine Lizard, 12. 
Masking, 48. 
May-flies, 179. 
Migration, 250. 
Mosquito, 151, 234. 
Mother Carey’s Chickens, 82. 
Mudfish, 154. 
Mudskipper, 222. 
Nests, 210. 
Niagara, 2. 
Niners, 173. 
Noctiluca, 72. 
Number of animals, 238. 
“ “ insects, 238. 
Oar-fish, 90. 
Ooze, 112. 
Open sea, 64. 
Otter, 10. 
Oyster-catcher, 11. 
Palolo, 59, 
Paper nautilus, 100, 
Parental care, 215, 
Pearls, 151. 
Pelagic animals, 72. 
Pellucid Limpet, 35. 
Peripatus, 194, 212. 
Periwinkle, 21. 
Pholas, 24. 
Phosphorescence, 124. 
Piddock, 23. 
Plankton, 75. 
Polar bear, 11. 
Pressure of deep sea, 109. 
Ptarmigan, 219. 
Pterodactyl, 241. 
Purse Sponge, zo. 
Robber-crab, 141, 223. 
Rock-barnacles, 40. 
Running birds, 243, 
Sailing flight, 247, 
Salamander, 159, 
271 
