344 



INDEX OF SUBJECTS 



Kinetochromidia, 214. 

 Kinoplasm, 214. 



Lamprey, 100, 209. 



Larva, 23. 



Lecithin, 8, 12. 



Levas, 172, 225. 



Lepidoptera, 118. 



Lepidosteus, 32, 33, 101. 



Leptinotarsa, 37-41, 111, 125-129, 



138-139. 

 Leptotene, 251, 252. 

 Life cycles, 22/. 

 Linin, 5, 7. 



Linked characters, 307. 

 Locust, 23. 

 Lophius, 102. 

 Lygaeus, 259. 

 Lymrwea, 192. 



Macrogamete, 27. 



Male, 18. 



Man, chromosomes of, 272 ff. ; 

 hermaphroditism in, 194. 



Maturation, 41-47, 129, 256/. 



Medusa, 23. 



Mesostoma, 204. 



Metabolism, and sex, 275 ; and 

 Keimbahn-determinants, 228. 



Metagenesis, 23. 



Metanucleolus, 183, 215. 



Metaplasm, 5, 7, 8. 



Metaphase, 15, 16. 



Metazoa, 1, 18. 



Miastor, 51-68, 107, 217 /., 235, 

 293-294. 



Microgamete, 27. 



Microsome, 6. 



Middle piece, of sperm, 21, 216. 



Migration, of germ cells, 31-34, 

 101-102, 116, 226. 



Mitochondria, 5, 13, 39, 40, 226 /., 

 275-289; methods, 282-283; 

 Ascaris, 284; chick, 278; divi- 

 sion of, 281, 284; function of. 



286 /. ; in living cells, 280, 281 ; 



in plants, 277, 280 ; reduction of, 



285; and sex, 285. 

 Mitosis, 13, 14-16. 

 Mitrocoma, 183. 

 Mixochromosomes, 251. 

 Moina, 163. 

 MoUusk, 185, 191. 

 Monad, chromosome, 45, 46. 

 Moniezia, 136, 297. 

 Monoecious, 18, 191. 

 Monospermy, 48. 

 Mosaic development, 233. 

 Moulting, 23. 

 Musca, 107. 

 Myofibril, 280. 

 Myxine, 209. 

 Myzostama, 37, 185, 193. 



Nahrzellenkem, 170. 



Nebenkem, 203, 221, 285. 



Nebennucleolus, 214. 



Nematodes, chromosomes of, 267 /. 



Nepa, 137. 



Neratina, 186, 225. 



Netzapparat, 103, 104. 



Neurofibril, 280. 



Nuclear sap, 6. 



Nucleic acid, 11. 



Nuclein, 11. 



Nucleolo of Silvestri, 145 /. 



Nucleolus, 5, 6, 13, 167, 213/. 



Nucleoprotein, 8, 11. 



Nucleus, 3, 13-16. 



Nurse cells, 35-36, 53, 119-121, 150, 



151, 201, 202. 

 Nutritive substances, 225 /. 



(Enothera, 160. 

 Oncopeltus, 261, 262. 

 Oocyte, 38, 39, 40-41. 

 Oogenesis, 42, 256 /. 

 Oopthora, 145, 146. 

 Ophryotrocha, 37. 

 Opossum, 288. 



