Return per hour, net 861 



Revenues 34, 36, 6 7 



Revetment, stone 658 



Review, experimental studies/review, experimental research 1445, 1925, 2019 



of work being done along coast 1739 



, preliminary 1455 



Rhodamine B, retention and uptake of 642 



Rhode Island 140, 199, 222, 243, 246, 264, 265, 484, 734, 805, 861, 862, 863, 



1024, 1027, 1041, 1043, 1044, 1064, 1093, 1214, 1216, 1356, 1412, 1580, 1601, 1603, 1816, 

 1870, 2020, 2027, 2169, 2190 



Department of Health 805 



Shellf ishermans /Association 1067, 2089 



Sound 1605 



Rhodomonas 789 



Rhythm 253, 258, 1427 



, long-cycle 156 



, persistent tidal 156 



, persisting diurnal 156 



Rhythmic 1351 



activity 156, 706, 708, 710 



________ , greater 156 



muscular activity 10 



Rhythmical sexual maturity 138 



spawning 138 



Rhythmically contractile system 1473 

 Rhythmicity 11, 1176, 2100, 2134 



, induces 1496 



Rhythms 156 



, circadian 1434 



, daily 1351 



, distinct daily 1798 



, diurnal 156, 198 



, monthly 1351 



________ of activity, persistent overt 1798 



_________ intracellular digestion 1557 



Ribbons, long, flat 878 



Riboflavin 446 



Ribosomal RNA cistrons 997 



Rickettsiae 785 



Rickettsialike organisms 1577 



Ridge, secretory 841 



Ridged, strongly 426 



Ridges, concentric 426 



Right valve grooved to receive edge of left valve, posterior dorsal margin of 425 



Rigorous 40 



Rio de Janeiro 423 



Ripe, ready to spawn 112 5 



River Belon, France 824 



791 



