INDEX. 



I8 S 



PAGE 



Reindeer (see Ruminants with horns) 55 



Remora, or Sucking Fish 123 



Reptiles Vertebrated Animals whose young are produced from eggs, 



and which crawl rather than walk 22,108 



Rhea the American Ostrich 104 



Rhinoceros a thick-skinned animal (Pachydermata) (Fig. 15) ... 45 



Rhizopoda (root-footed) a division of the Protozoa 160 



Ringed Snake (Fig. 66) ... * ...114 



Rodents gnawing animals their teeth, &c. (Fig. 24) 67 



Rotifera wheel-bearing Infusoria (Fig. 101) ... 144 



Ruminants animals which i, chew the cud ; 2, have cloven hoofs 



(that is, two toes covered by separate hoofs) ; and 3, have incisor 



teeth in the lower jaw only, as the cow, &c 38, 50 



Ruminants 'without horns 5I 



Ruminants with horns 54 



Rumination description of the process of the organs by which it 



is-carried on (Fig. 18), and its purpose 55 



8 



Sable Marten its valuable skin 80 



Salmon (Fig. 83) a soft-finned fish 122 



Sand "Worm an Annelid 127 



Sardine a soft-finned fish of the Herring family 122 



Saurians, or Lizards their general characteristics no ' 



Scansores climbing birds their feet and beaks 100 



Scorpions (Fig. 96) a division of the Arachnida 136 



Sea Anemone a Zoophyte 155 



Sea Mats Flustra I5 o 



Sea Otter the value of its skin 81 



Seal an Amphibious Garni vora (Fig. 39) 81 



Secretary Bird one of the Falcon tribe * 97 



Sepia obtained from the Cuttle-fish 146 



Serpents Ophidians their structure and characteristics (Fig. 66) ... 112 



Serpents venomous ... 113 



Serpents water 112 



Shark a cartilaginous fish its voracity its skin 124 



Ship Worm (Fig. 104) 150 



Shrews one of the three principal families of Insect-eating animals ... 86 

 Silk Caterpillar why it is wrong to call it a Silk Worm its 



history and commercial value (Figs. 90 94) 138 



Simiadee one of the divisions of the Quadrumana 91 



Skunk a Vermiform Carnivora. (See Vermiform.) ,78 



Sloth a member of the Tardigrada (slow-footed) Edentata (Fig. 21)..." 61 



Snipe a wading bird ".. ... 106 



Social Ascidians a group of the Tunicata, in which all the indi- 

 viduals are connected by a sort of stem 150 



Bole a soft-finned fish 123 



