266 



INDEX 



Parasphenoid bone, 27 



Parietal cells, 87 



Earthenogonidia, 184 



Pathetic nerve, 65 



Pavement epithelium, 83 



Pelomyxa palusiris, 131, 132 



Pelvic girdle, 32 



Pelvic vein, 54 



Pelvis, 32 



Pentadactyla, 35, 72 



Pericardial cavity, 45 



Pericardium, 45 



Perilymph, 71 



Perimysium, 95 



Periosteum, 107 



Peristome, 189 



Peristomial groove, 206 



Peritoneal fluid, 39 



Peritoneum, 38 



Peritricha, 206 



Permanent vacuoles, 127 



Peroneal nerve, 61 



Perradial axis, 246 



Pes, 17 



Phagocytosis, 76 



Phalanges, 32, 34 



Phylum, 19, 25 s 



Physiological division of labour, 



no 

 Physiology, 10 

 Phytomastigoda, 177 

 Pineal eye, 63 

 Pineal gland, 62 

 Plain muscle fibre, 94 

 Plants, characters of, 4 

 Planula, 251 

 Plasma, 73 

 Plasma cells, 100 

 Plasmatic cones, 143 

 Plasmodium, 147, 148, 173 

 Plastids, 234 

 Plastin, 143 

 Plastogamy, 142 

 Pleuroperitoneal cavity, 38 

 Pneumogastric nerve, 67 

 Polar bodies, 117, 120, 146 

 Polar plates, 143 

 Polymorphism, 252 

 Polytoma uvella, 173 

 Portal veins, 56 

 Post-axial structures, 36 



Pre-arytenoid cartilages, 42 

 Preaxial structures, 35 

 Premaxilla, 27 

 Primary cysts of Actinosphserium, 



145. 

 Primitive ova, 117 

 Primitive sheath of Schwann (see 



Neurilemma) 

 Primordial cartilage, 103 

 Procoelous vertebras, 22 

 Pronation, 31 

 Prootic bone, 27 

 Prophase, 114 

 Prosencephalon, 62, 63 

 Protoplasm, 4 



Protoplasm, structure of, 76, 79 

 Protoplasmic continuity, 81 

 Protozoa, 126 

 Pseudonavicella, 156 

 Pseudopodia, 75, 127, 140 

 Pterygoid bone, 28 

 Pubis, 32 



Pulmo-cutaneous artery, 48 

 Pulmonary artery, 5 1 

 Pulmonary vein, 46, 55 

 Pupil, of eye, 17, 69 

 Pylangium, 48, 57 

 Pylorus, 40 

 Pyrenoids, 164 



Quadrate cartilage, 28 

 Quadrato-jugal bone, 28 



Racemose glands, 87 



Radiale, 31, 36 



Radial canals, 245, 248 



Radiolaria, 136 



Radio-ulna, 30 



Radius, 30 



Rami gastrici of loth nerve, 67 



Rami pulmonales of loth nerve, 67 



Ramus communicans iliacus, 54 



Ramus communicans of sympathetic 



nerves, 67 

 Ramus cardiacus of loth nerve, 67 

 Rana esculenta, 16 



oxyrhinus, 16 



temporaria, i5 



Recti muscles of eyeball, 65 

 Reducing division, 120 

 Regeneration of nerve fibre, 93 



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