INDEX. 



Remak, ganglion of, in heart of frog, 278 

 Rennet, curdling action of on milk, 374 

 Rennin, its direct action on casein, 375 

 ,, its formation in gastric cells, 419 

 Reproduction, tissues and mechanisms 



of, iv. 349 



,, general features of, iv. 389 



,, female organs of, iv. 391 



,, male organs of, iv. 364 



Respiration, 526631 



,, pulmonary, circulation aided 



by, 219 

 ,, ,, its mechanism, 526, 535- 



549 

 ,, ,, work of the muscles of 



the ribs in, 545 



,, ,, laboured, muscles of,546 



,, ,, expiration, the expira- 



tory muscles, 547 

 ,, ,, change of temperature 



of air in, 550 



,, ,, change of aqueous va- 

 pour in, 550 

 ,, ,, changes in blood caused 



by, 553 



,, ,, chemical aspects of, 582 



,, ,, an involuntary act. 5S4 



,, ,, sequence of muscular 



contractions in, 584 

 ,, ,, centre for, medullary, 



585 

 ,, ,, ,, automatic action of, 



586 



,, ,, ,, influenced by affer- 



ent impulses, 588 



,, ,, ,, duplexity of its ac- 



tion, 591 



,, ,, ,, effects of inflation 



and suction, 592 

 ,, ,, ,, double action of 



vagus on, 595 

 ,, ,, ,, nature of action, 



596 

 ,, ,, two lateral halves 



of, 598 



,, ,, ,, influenced by char- 



acter of blood 

 supply, 598 



,, ,, ,, by heat, 599 



,, ,, ,, ,, by deficiency of 



oxygen, 600, 

 iv. 393 



,, ,, ,, by excess of 



carbonic acid, 

 600 



,, ,, ,, ,, by other changes 



in the blood, 

 602 



,, ,, ,, apnoea, pheno- 



mena of, 603 



,, Cheyne-Stokes, 605 



,, ,, affected by changes in 



atmospheric pressure, 

 601, 611 



Respiration, pulmonary, its effect on ar- 

 terial pressure, 613 

 ,, ,, artificial, its effect on the 



circulation, 619 



,, ,, impeded, its effect on 



heart-beat, 621 



,, ,, ,, ,, on vaso-motor sys- 



tem, 622 

 ,, ,, phenomena of asphyxia, 



624 

 ,, ,, as affected by muscular 



work, 628 

 ,, ,, regulation of temperature 



by, 811 



,, ,, slowing of during hiber- 



nation, 820 



,, as affected by sleep, iv.414 

 facial and laryngeal, 548 

 cutaneous, 696 

 of muscle, 578 

 of other tissues, 580 

 of the embryo, iv. 382 

 placental compared with 



branchial, iv. 384, 385 

 Respiratory quotient in herbivora and 



carnivora compared, 798 

 Restiform body, its connection with the 



cord, 950 

 Rete testis, iv. 365 



,, vasculosum of testis, iv. 365 

 Reticular tissue of intestine, 444 

 Reticulum, splenic, structure of, 736 

 Retina, see Eye, retina. 

 Rheometer of Ludwig, 220 

 Rheoscopic frog, 111 



,, current of action shewn 



in, 124 



Rhythm, secondary respiratory, 605 

 Rhythmic changes of calibre in artery, 



307 



,, beat of heart, spontaneous na- 

 ture of, 280 

 ,, contractions of uterus during 



pregnancy, iv. 395 

 Ribs, movements of, in respiration, 544, 



545 



Rigor mortis, its cause, 40 

 ,, ,, characters of, 95 

 ,, ,, development of carbonic 



acid in, 100 



,, ,, conversion of myosinogen 

 into myosin during, 104 

 ,, ,, progressive order of, 147 

 ,, ,, as comparc-d with contrac- 

 tion, 153, 154 

 ,, ,, accession of heat at onset 



of, 810 



Rima glottidis, the, iv. 310 

 Rings, cartilaginous, of trachea, 531 

 Ritter Valli law, 144 

 Rod cells of olfactory mucous membrane, 



iv. 247 



of taste-buds, iv. 256 

 Rods, of retina, iv. 59, 116, 119 



29 



