444 Subject Index 



V 



N-Benzoyl-t)iinethvlcoklii(iiiic methyl 



ether, 409 

 N-Butykolchicamide, 1 1 1 

 Benzenoid ring, 161 



ring A, 161 

 Benzoic acid, 400 

 Benzopyrene, 261, 418 

 Beryllium salts, 412 

 Beta T'a/i^rtm 



characteristics, 355 



diploid, 355 



increased vigor, 333 



production of sucrose, 332 



root lieet weight, 332 



seed production of, 332 



triploids, 331-33 



trisomies, 355 

 Bile ducts, 248 

 Bile elimination, 196 

 Bile secretion, 191 

 Bimctaphase. 42, 43. 45, 83, 84, 97 



bipolar metaphase, 40 



compared vvitli distributed c-mitosis, 

 42, 45, 46, 97 



confused with c-anaphase, 45—46 



recovery stage, 83 

 Binomial system of nomenclature, 7 



relationship of Colchicum, 8 



in Species Plantar\im. 7 

 Binucleate blastomeres, 203 

 Biologies, 140 



Biopsies of human neoplasms, 259 

 Bipolar mitoses, 97 



bipolar metaphases, 40 



bipolar spindle, 93, 96 

 Birds. 190 

 Birefringence patterns, 75, 89 



tracing of s])indle disappearance, 76 

 Blackberries. 324 



polyploid series, 324 

 Black Sea, 3, 4 



"Bleb" formation in nerol)lasts, 91 

 Blocked cleavage, 74, 87, 89 



critical point, 87 



inhibiting cleavage, 88 



role of concentration, 88 

 Blood 



chemical ciianges after colchicine, 183, 

 193, 191 



defibrinized hog's blood, 195 

 Blood cells, white; see Leucocytes 

 Blood clotting, 194 

 Blood glucose le\el, 375 

 Blood level, 196 

 Body temperature, 194 

 Bone 



endosteum, 247 



periosteum, 247 



repair, 247 

 Bone marrow, 176, 178, 183, 184, 189, 223, 

 376, 377, 380, 383 



aplasia, 184 



Botanical Review. 20 

 Botiytis cinerea, 123 

 Boveri, 87 

 Boysenberrv, 324 

 Bmssica, 309 



comparium of. 309-10 

 species of: canipestris, 310; carinata, 

 310; cbinensis x ^- carinata, 310; 

 juncca. 310; nigra, 310; oleracea, 

 310 

 British Empire Cotton Research Station, 



288 

 British West Indies, 288 

 Bromi nation 



of colchiceine. 169 

 of colchicine. 169 

 of tropolones. I(i9 

 B ramus, 302, 365, 367 

 seed weight, 365 



species of: carinatus, 302: carinatus- 

 trinii, 302; catharticns, 367; cathar- 

 ticiis-haenkeanus. 367; haenkea- 

 nus. 'Mil: liaenkeanus-staniineus, 

 367; inarilinius-trinii, 302; mar- 

 jinetus, 302; stamineiis, 367 

 Bronchioli, 181 

 Brownian mo\ement, 72, 89 

 Brush treatment, 384 

 Biifo vulgaris, 203 



abnormal development of, 204 

 Bulhina buJbosa, 413 

 Buli)()capnin, 419 

 Bull)ocodiae, 9 

 Bulbocodiuni L., 8 

 ruthenicum, 143 

 source of colchicine, 143 

 species name, 143 

 Bulbs, 384 



treatment of, 384 



C-mitoses, 380 

 C-metaphase I and II, 114 



unoriented. 97 

 C-mitosis, 18, 26, 28, 74, 83, 84, 86, 92, 188 



in Allium, 36, 41 



c-pairs, 4, 9; see also C-pairs 



chromosome contraction independent 

 of, 46 



concept of, 21-26 



consequences in plants, 57 



in contrast to mitosis, 31 



cycles, 95 



described first by Pernir.:, 18, 39 



description of, 28 



distributed, 42, 45, 84, 97 



distrilnited melapliase, 84-85 



chiration of, in animals, 48-50 



exploded c-mitosis, 84-85 



exploded metaphase, 42, 84-85 



full, 51 



