144 INDEX 



hyomandibula, 21 

 hypothalamus, 91 

 hypothermia, 67 



Intercostal muscles, 49, 



53,57 

 interventricular septum, 112, 116, 



118 



Keilin, 126 



Lactic acid, 29, 62, 66, 130, 



132, 135 

 lung, 7, 42, 47, 58, 64, 85 



Marsipibranchs, 9 

 medulla, 80, 82, 84 

 mesobronchus, 51 

 myoglobin, 60 



Neonatal circulation, 122 

 nostril, 40, 44, 50, 64 



Oesophageo-cutaneous duct, 



9, 10, 12 

 opercular suction pump, 17, 19, 



25, 137 

 oro-branchial cavity, 22, 24 

 oval, 33, 38 



oxygen-carrying capacity, 64, 95 

 oxygen consumption, 41, 50, 67, 



73,77, 134 

 oxygen debt 133, 134 



Parabranchial cavity, 22, 



24 

 parabronchi, 52, 55 

 pericardio-peritoneal canal, 103 

 phosphagen, 132 

 physoclistous fishes, 38 

 phvsostomatous fishes, 38 

 pillar cells, 12,13 

 plaice, 25, 26, 33 

 pleural cavity, 58 

 poikilotherms, 70, 71, 86 

 Poiseuille's formula, 55 

 pulmo-cutaneous arch, 108, 109 

 pulse pressure, 63, 103, 108 



Red blood corpuscles, 71, 



94, 100 

 respiratory centre, 63, 81, 83, 85, 



99, 121 

 respiratory muscles, 7, 20, 21, 23 

 respiratory quotient, 125 

 respiratory substrate, 125 

 rete mirabile, 34, 63 

 reticular formation, 82 

 rhythm, 60, 79, 83 

 ribs, 49 

 Root eff"ect, 97 



Safety factor, 96 

 Scholander, 61, 62 

 secondary bronchi, 51 

 secondary lamellae, 12, 13, 29 

 semi-lunar valves, 105 

 shivering, 87, 93 

 shunts, 63, 116, 118, 124 

 single circulation, 103, 106 

 size, 67, 94 

 spiracle, 22, 27 

 spout, 27, 65 

 surface area law, 68 

 swimbladder, 32, 33, 97 

 swimming, 25, 33, 135 

 syrinx, 51 

 systemic arch, 108, 112, 119 



Temperature, body, 74, 86, 



90, 129 

 temperature, environment, 6, 71, 



75 

 temperature, lethal, 71 

 thermostat, 90 

 torpid, 74 

 trachea, 42, 51 

 tri-carboxylic acid cycle, 130 



Utilisation, 7, 15, 24 



Velum, 11, 137 

 ventilation, 5, 11, 16, 44, 137 

 ventilation volume, 28, 79, 85 



Weberian ossicles, 36 



