1140 



INDEX 



Protoplasm (continued) 



51; consistency, 50-61; surface proper- 

 ties, 61-77; specific gravity or density, 

 77-82; optical properties, 82-84; struc- 

 tural properties, 84-98; literature cited, 

 98-110 



Protoporphyrin, 382 



Protozoa, discovery of, and other histori- 

 cal facts, 8-14; importance in solving 

 question of spontaneous generation and 

 other problems, 8 ; Leeuwenhoek's de- 

 scription, 10 f.; classification, nomen- 

 clature, 11; differences between proto- 

 zoan and metazoan organization, 191, 

 260 ; relationships between certain 

 Protozoa and other animals, 890-1008 

 {see also under Relationships) ; para- 

 sitic and nonparasitic, 892 ; ways of 

 benefiting larger animals, 893; free- 

 living and symbiotic, systematically re- 

 lated, 902-17; organisms living on and 

 in, 1009-1113 {see entries under Para- 

 sites of Protozoa) ; parasitizing other 

 Protozoa, 1068-89; literature cited, see 

 Literature 



Protozoology, indebtedness to microscope, 

 9; Leeuwenhoek the father of, 11 



Provasoli, 481, 484, 486, 495 



Prowazek, S., 636, 787; fibrillar system, 

 205, 221, 222 



Pruthi, 540, 541, 542 



Pseudopodia, contractile, 91, 92 



Ptychostomidae, family, species, genera, 

 943 ; adaptation, 944 f . 



Ptychostomum chattoni, fibrillar system, 

 244 



Piitter, 388, 394 



Purdy and Butterfield, 458 



Puymaly, 1042, 1051, 1053, 1058 



Quastel, J. H., 396 



Quastel, J. H., and Stephenson, M., 392 



Raabe, 934, 935, 938, 939, 940, 941, 942, 



943 

 Rabinowitsch and Kempner, 856 

 Racial differences, and regeneration, 780 f. 

 Radiation, effects on consistency, 60; used 



for sterilization, A(}() 

 Raffel, 752 

 Rammelmeyer, 154 

 Rankin. 950 

 Rapkine. 64 



Ray, Harendranath, fibrillar system, 245 



Ray, J., 282 



"Ray-direction theory," Sachs's, 282 



Raymond, 1071 



Reconstruction bands, 23 



Red, see Neutral red 



Redi, 8 ; quoted 262 



Redmond, 848 



Redox potential, 504 f. 



Rees, C. W., 343; fibrillar system, 198, 

 225, 226, 227, 252, 258 



Refraction, double, 95-97 



Refractive bodies, 170 



Refractive index, 83 



Regaud, 177 



Regendanz, P., 860 



Regendanz, P., and Kikuth, W., 856, 860, 

 861 



Regeneration, of macronucleus, 16 ff. ; 

 physiological, 773 f . ; factors in, 774-93 ; 

 and division, 797-801; in colonial 

 forms, 804-11; see also Morphogenesis; 

 Reproduction 



Rehberg, 907 



Reich, 484, 486, 498, 500, 501, 535, 538, 

 549 



Reichenow, 161, 162, 163, 164, 165, 179, 

 253, 638, 974, 982, 983, 1075, 1082 



Reidmuller 365, 379, 380, 384 



Reincorporation and grafting: behavior of 

 fragments, 793-97 



Reiner, 385 



Reiner and Smythe, 389 



Reiner, Smythe and Pedlow, 389 



Relationships between certain Protozoa 

 and other animals, 890-1008; symbiosis 

 the comprehensive term for general rela- 

 tionship, 891; externally mutualistic, 

 termed commensalism, 891; protozoan 

 benefits to larger animals, 893; principal 

 discussions and articles on, 893 ; acci- 

 dental and facultative parasitism, 894, 

 895-902; systematically related free- 

 living and symbiotic Protozoa, 902-17; 

 distributional host relationships and 

 host-specificity in representative sym- 

 biotic faunules, 917-29; adaptive host 

 relationships in morphology and life 

 history, 929-60 ; physiological host rela- 

 tionships illustrative of mutualism and 

 commensalism, 961-87; literature cited, 

 987-1008 



Remane, 906 



