xu. 



KNOWLEDGE, 



Nebula N.G.C. 1499 Persei (full-page 

 Photographic Plate br Dr. Isaac 

 Boberts) 



Nebula N.G.C. 2237-9 Honocerotis 



(full-page Photogi-apliic Plate bv 

 Dr. Isaac Eobert?) 



Nebulae in Monoceroa, New (fuU-page 

 Photographic Plate by Dr. Isaac 

 Roberts) ... ... 



Necklace made from the Virgin Cone 



Noses, A Contrast in — 



(The Proboscis ilonkev and the 

 Snub-nosed Jlonkey) (full-page 



Plate) ■ 



Orchids, The Story of the— 



Spike of Early Purple Orchis 



Floral Diagi-ams : Lily, Orchis. 

 Cypripediiuu 



Diagi'ammatic section of Orchid ... 



Habenaria; Epipactis ; Lisiera . 



Cypripedittm harhatum 



Section through Labelhim of 

 Slipper Orchid ... 



Fferosfi/lis ... 



Catasefiim : in front and section.. 



Cori/anfkes speciosa 



Angrnecvm sP'iqinpedale ... 



Oyster, Commercial Pearl 



Planets, The Morning, in February 



Platypus. Figure of Duck-billed . 



Proportions of some Races, Graphic 

 Representation of the 



39 



132 



250 

 2-13 



174 

 149 



150 

 150 

 210 

 211 



211 

 211 

 259 

 259 



259 



98 



47 

 207 



127 



PAGE 



Rainfall Curves 55 | 



Saturn— 



1898, September. 13d. 61ir. 40m., 

 a.M.T. (full-page Plate) ... 10 



Irradiation and Contrast Effects in 

 the Shadow of, 1890, May 26 ... 10 



Amphitheatrical gradations seen 

 on the inner bright ring of, on 

 April 18. 1896 .. 11 



Duskiness of shadow of outer ring 

 of; 1894, July 4 12 



Probable constitution of the Crape 

 Ring of 12 



Saturn's Dark Polar Cap, 1895, 

 August 9 10 



Skin- 

 Human. Photomicrograph of section 



through 26 



Xegi'o's, Photomicrograph of section 



through ... ... ... ... 27 



Skull, The Human- 

 Size and cranial capacity ... ... 218 



Varieties of fonn ... ... ... 219 



Skulls. Tvith large, medium, and 



small teeth 266 



Skulls showing varying degree of 



projection of upper jaw... ... 267 



Skulls showing three types of nasal 



aperture .. ... 267 



Sky, One-thirtieth of the (full-page 



Photogi-aphic Plate) ... ... 87 



Sponges and the Sponge Trade- 

 Fine glove-sponge ... ... ... 145 



Orrass-sponge ... ... ... 147 



Yellow sponge ... ... ... 147 



Wool-sponge ... ... ... 147 



VelTCt-sponge ... ... ... 148 



Spoon made from the Shell of a 

 Melon-volute 245 



Stalking-Horse, The Use of— 



Stalking in the Marismas ; the 

 Stalker from the Bird's Point of 

 Tiew ... ... ... ... 6 



About to turn the Horse; Turning 

 the Horse 7 



Tviug the Hoi-se's Head to Tail ; 

 'The Shot 8 



Stars of Equal Intrinsic Brightness 

 as actually seen 154 



Stellar Universe, Section through 

 the 153 



Stilt's Nest slightly built on Dry 

 Ground 1S5 



Stilt's Nest strongly .built in Wet 

 Ground 1S4 



Tern, Floating Nest of Whiskered ... 183 



"Turbo" of the Mother-of Pearl 

 Trade lOO 



Weight, Average of Daily Variation 



in Body (Diagram) 248 



