INDEX 



279 



Moniezia, 26 



MONTGOMERY, T. H., 69, 96, 98, 



99, 100, 104, 186, 192 

 MORGAN, T. H., 53, 127, 163, 



165, 222-230, 249, 257 

 MORRIS, M., 129 

 Multipolar spindles, 57, 123 

 MUNSON, J. P., 106 

 Myriapoda, 159 

 Mytilus, 138, 242 



Nebenkern, 50, 95 note, 97, 101, 



102 



Nematoda, 138, 159, 173 

 Nereis, 47, 246 

 Neuroptera, 159 

 Neuroterus, 136, 153 

 Non-disjunction, 232-234, 240 

 Nuclear division, 26-38, 42-58 



membrane, 19, 38 

 Nucleoli, 1 8 

 Nucleus, 13-21 



function of, 13-15 



structure of, 17-21, 195-199 

 Nutritive cells of ovary, 75, 76, 



107 

 Nyssia zonaria, 87, 200 



Oenothera, 193, 211, 239 

 Oligopyrene spermatozoa, 103 

 Oocytes, 76-79, 107 

 Oogenesis, 74-83, 105-110 

 Oogonia, 61 

 Oosoma, 180 

 Ophryotrocha, 109 

 Organ-forming substances, 118, 



247-251 

 Orientation of cleavage planes 



and of embryo, 117-120 

 Origin of zygotene threads, 69-71 

 Orthoptera, 108, 131, 135, 155, 



158, 197, 199 

 Ostracoda, 127, 128 



Pachynema, pachytene, 67 

 Paedogenesis, 125, 177 

 PAINTER, T. S., 58 note 

 Pairing of chromosomes, 69, 84- 



90 



Paludina, 85 note 

 Paramoecium, 16 

 Parasyndesis, parasynapsis, 68, 



70 

 Paris, 196, 198 



Parthenogenesis, 125-139 



artificial, 140-151 

 PAYNE, F., 160 

 Pediculus, 81 

 Pentatoma, 158 

 Peripatus, 98, 99 

 PETRUNKEWITSCH, A., 147 note 

 Phasmidae, 131, 135 

 Phragmatobia, 169, 170 

 Phyllaphis, 127, 163 

 Phylloxera, 165 



PlNNEY, E., 211, 242 



Plasmosome, 18 

 Platygaster , 83 

 Platyhelminthes, 109 

 Pluripolar spindles, 57, 123 

 Poecilosoma, 135 

 Polar bodies, 78 



divisions of egg, 78-83, 114, 



115, 127-139 

 Polarity of egg, 244 

 Pole-plasm, 177 

 Polyphemus, 182 

 Polyspermy, 57, in, 113, 122- 



124, 202-204 

 POPOFF, M., 16, 77 

 Primula, 193, 216, 239 

 Proctotrypidae, 82, 133 

 Prophase, 133 

 Prostheceraeus , 80 

 Protenor, 158 

 Protoplasm, 4-11 

 Protozoa, T, 2, 4, 13, 14, 16, 25, 



26, 43, 60, 125, 261, 263, 264 

 PRZIBRAM, H., 121 note 

 Pseudoreduction, 68 

 Pteropoda, 168 

 Pygaera, 215 

 Pyrrhocoris, 158 



Quadripolar spindle, 57, 123, 202 



Reception cone, 112 

 Reduction division, 59, 77, 126 

 Rhabditis, Rhabdonema, 138, 139, 



167 



Rhodites, 135 

 ROSENBERG, O., 129 

 Rotifers, 126, 127, 128, 138, 139, 



154, 249 

 Roux, W., 119, 120 



Sagitta, 173, 175-177 

 SAUNDERS, E. R., 219 



