626 
Prototheria - 
Protracheata 
Protozoa 
Psalterium - 
Pterodactyles 
Pteropods 
Pteropus 
Pterosauria 
Pulmonata - 
Puma 
Pupa 
Pygostyle 
QUADRATE 
RABBIT 
Raccoon 
Radial symmetry 
Radiolaria 
Ratitee 
Rattlesnake - 
Recapitulation, law of 
Rectal gland 
Redia 
Reed - 
Reproduction 
Reproductive aan 
Reptilia 
Respiration in andinals 
Respiratory system 
Retia mirabilia 
Reticulum 
Retina 
Reversion 
Rhagon 
Rhea - 
Rhinoceros 
Rhizopoda - 
Rhytina 
Ribs of Vertebrata 
Rodentia - 
Rotatoria = Rotifera 
Rudimentary organs 
Rumen - - * 
Ruminants (Pecora) 
Rumination 
INDEX. 
PAGE 
488 | SAcRUM 
244 | Sagitta 
97 | Salamander 
514 | Salpa 
447 | Sauropsida - 
60 | Scales of fishes 
551 of reptiles 
447 | Scapula 
283 | Schizoccele 
581 | Sciuromorpha 
246 | Sclerotic 
371 | Scolopendra 
Scorpion 
Scutes - 
ay Scyphomedusze 
Scyphozoa - 
382 | Scyphula 
583 | Sea-anemone 
22 1 COWS 
99 1 cucumbers 
313 un lion - 
338 w squirts (w2de Tieteatal 
565 n urchin 
451 | Seals - - 
442 | Sebaceous glands 
48 | Segmentation of ovum 
315 | Selenodonta : - 
142 | Semicircular canals of ear 
514 | Sense organs 
38 | Sepia - 
21 | Sexual selection - 
440 | Sexual reproduction 
8 | Shell of— 
18 Anodonta 
464 Argonauta 
514 Chiton 
409 Helix 
81 Nautilus 
10g | Shrews 
452 | Shrimp 
572 | Simia 
99 | Simiidze 
562 | Simplicidentata - 
418 | Siphon of Cephalopoda 
563 | Siphuncle of Nautilus - 
152 | Sirenia 
26 | Skate - 
514 u development of 
576 | Skeletal system 
514 | Skin 
