Subject Index 469 



ball iiielaphases, 42 



explanation for types of arrest, 82 



exploded metaphases of, 41 



inhibition of spindle by physical 

 agents, 399 



oriented metaphase, 39, 83 



origin of star metaphase, 39, 82, 83 



pohploid cells of, 58 



reco\er\ and treatment, 40 



iinoriented metaphases, 83 



vuliraris, 38-40 

 Trilui us 



ball metaphase, 42 



bimctaphases, 97 



centrosomic body in, 9U 



cornea, 97 



development, 88, 203 



differential counts of mitotic types, 40 



distributed c-mitoses, 97 



explanation of arrested types, 82, 83 



exploded metaphase. 41-42 



multiple stars, 83 



newlv fertilized eggs, 58 



origin of star, 39 



reco\er\ figures, 39. 43, 97 



species of heJveticus, 88: viridescens, 

 81. 82, 83, 90 



unoriented metaphases, 83-84 

 Tropokinesis, 67, 86, 400 

 Tropolone, 15, 171, 415, 417 

 Trvpafla\ine, 193 

 Tubifcx. egg, 53, 54, 89, 91, 202 



alteration in chromosome structure. 

 52-53 



cytoplasmic \iscosit\. 91 



destruction of chromosomes, 42, 53 



developing eggs, 54 



multiple stars, 39 



pseudonuclei, 54 



surface changes, 89 

 Tubuli contorti; see Kidney. con\oluted 



tubules 

 Tumor cells, enlargement of, 266 

 Tiunors, 255: see also C-tiunors, Neo- 

 plasms, Neoplastic cells 



of colchicine, 268 



cure of mice, 261 



in man, 267 



necrosis of, 260 



in plants. 265-66 



tiuiior respiration, 397 

 Tunica in plants, 348 

 Twin seedling method, 334 



cotton, 334 



in flax, 334 



Gossxpiuni, 334 



peppers. 331 



u 



Ultra violet light. 91. 170 



isomerization of colchicine, 170 



Llva, 119 



zoospores, 125 



zygotes. 125 

 Unipolar, 86 

 Ignited States of America, 287, 288, 322 



fruit impro\ement, 323 



State and Federal experiment 

 stations, 288 

 Univalents. 1 13 

 Universitv of California, 287 

 University of Manchester, 324 

 University of Oklahoma, 349 

 Unsaturated ketone, 163 

 Urechis. 399 

 Ureter, 237 



ligature of. 2.39 

 Urethane, 265 

 Uric acid, in goiu, 197 

 Urine. 194-96 

 U. S. P. colchicine, 141 

 U. S. Pharmacopeia, 373 

 Uterus, 181 



inuscle cells of, 226 



of rabbit, 217, 218 



V 



\'accines, 140 

 Vagina, 226, 227 



action of estrogens on, 214 

 Vnllisneria, 352 

 \'ascularization, 128 



of plant tiuiiors, 258 



sclariform vessels. 128 

 Vaseline-lanoline paste, 377 

 Vedic texts, 2 

 \'enom of bee, 104 

 Veratrine, 14, 413 

 Vernae, 9 



VerticilUum dahline. 123 

 Vicia faba. 393 

 \ictoria blue, 420 

 J' i lira 



chromosomes. 349 



diploid, 349 



larger flowers, 349 



pollen mother cells, 349 



species of: minor, 348; rosea, 326, 348 



tetraploid, 349 

 \'iridis miuant. 55 

 \'irus tiunor tissue, 132, 385 



Black's original R. strain 

 \'iscositv, rh\thm of. 74, 420 



and c-tiunors, 1 10 



cvtoplasm, 110 



high, 80, 89 



protein dissociation, 110 

 Vitamin. 275, 368 



Bi, 109 



C, 324 

 \'oraiting, symptom of colchicine 

 poisoning, 178. 179 



