554 Subject Index 



Calliphora. extracts, 348, 386 



Canalization of development, 317, 319 



Cecidom>ids, 6.3 



Cell constancy, 68 



Centriole, 10 



Centromere, 7, 10, 11, 12, 76 



Chemodifferentiation, 288, 316, 319, 



330 

 Chimeras, 215 

 Chironomus, salivary chromosomes, 296, 



297 

 Chlamydomonas, 338 ff., 483 

 Choropetaly. See Sex, Salix; Sex, Strep- 



tocarpus 

 Chromatography, 313 

 Chromidia, 278 

 Chromosomes 



arginine, 26 



attraction, 23 



biochemistn.', 8, 2-5 S. 



breakage, 103, 114 £F., 145 



breakage-fiision-bridge c>cle, 145 



change in number, 185 



chromocenter, 71 



chromomeres, 7, 9. 15, 16, 20 ff., 28, 

 42 ff., 58 



chromonema, 9, 18, 20, 21, 2-3, 27, 

 28, 31, 44 



chromosomin, 26, 27, 29 



collective, 60 ff. 



crossing over, 4, 23, 24 



c>toplasmic control of, 63. See also 

 C>toplasm 



diminution, 26, 60 ff. 



diversification, 485 



DX.\ase, 30 



duplication, 7, 12, 24 



electron microscopy, 19, -38, 45, 133, 

 157 



euchromatin and heterochromatin, 82 



in evolution, 172, 184, 185, 4&3 ff., 

 488 ff. 



fields within, 12, 13, 17, 181, 317 ff. 



genie and nongenic parts, 21, 28, 31, 

 79, 157, 316 



giant, 8 



heterochromatic, 60 ff., 69, 71, 75, 

 79, 184 



hierarchy, 181, 190, 484, 487 ff. 



histone, 26, 29, 35 



individuality, 7 



inert, 65, 66, 79 



isolated, 8 



kalymma, 9, 18, 143 



karyotype, 482 ff. 



lampbrush, 17, 19, 22, 26 ff., 43, 44, 



275, 298 

 membrane, 19 

 micellar structure, 9 

 mitosis, 7, 17 



nucleolus-forming regions, 9 

 optical prop>erties, 9 

 phosphatase, 29 

 phylogeny, 184, 185 

 poi>-tene, 32, 54, 292 ff. 

 protamine, 26, 29, 35, 54 

 proteins, 28, 29 

 rearrangements, small, 115 

 repeats, 171, 173 

 saUvar\-, 20 ff., 26, 27, 34, 58, 71, 



117, 133, 157, 171, 172, 271, 292, 



296, 297, 488 

 sections of action, 158, 159, 174, 175, 



181, 486 ff. 

 segments, large, 181 

 site of genie action, 157, 181, 267, 



275, 400 

 species, related, 184, 185, 48-3 ff. 

 stick>', 143, 144, 289 

 stretching, 44 

 structiire, 271 



supernumerary, 60, 63, 65, 69, 86 

 temperature control. See Meiosis as a 



whole, 184 

 Y-chromosome, 73 ff., 77, 87, 93 

 Chromosomes of 

 barley, 117 

 beans, 117 

 Bombyx, 48-3 



ChiTonomu.s, 296, 297, 485 

 cocci ds, 11, 465 

 Crepis, 78, 482, 48-3 

 croc-odiles, 484 

 Diptera, 8, 166, 483, 48-5 

 Drosophilu species, 385 ff. 

 D. melanogaster, 72, 74, 75 

 D. \iriUs, 82 

 flagellates, 191, 482 

 gregarines, 191, 482 

 Gryllotalpa, 78 

 Lepidoptera, 25, 483 

 maize, 33 

 mantids, 46 



MelandriUm. See Sex, Melandrium 

 mice, 32 



monotremes, 482, 484 

 Peromyscus, 483 

 Protozoa, 191, 482, 485 ff. 



