INDEX 



493 



Mosaic-like evolution 68 



Moser 93, 94 



Moskovski 306 



Miiller H. A. 24, 353, 378, 379, 422 



Miiller's larva 20, 21, 82, 83, 269 



My c ale 334 



Mycetozoa 38 



Myoneme 278 



Myrientomata 416 



Myriopoda 412, 416, 417, 419, 460 



Myriothelidae 209 



Mjxobolus 199 



Myxocoel 387, 390, 401, 419 



Myxomycetes 356 



Myzostomidea 412, 415 



Nephrocoel 387, 388, 399 



Nephrocytes 143 



Nerve-net 126 



Nervous system 126 flf. 



Neurenterica 453 



Neuromerism 432, 434 



Neuro-muscular-epithelial cell 115 



Neuromyaria 378 



Neuroporus 453 



Noctiluca 355, 356 



Notochord 450 



Nuclear dimorphism 305, 385 



Nummulites 307, 368 



Nutation 111, 116 



Naef89, 250, 356 



Narcomedusae 12, 15, 17, 18, 54, 66, 



72, 88, 92-95, 152, 209, 221, 263, 



265, 266 

 Natural selection 135, 140 

 Nauplius 36 

 Nausithoe 108, 117, 149, 151, 185, 



186, 206, 235 

 Nectocalyx 266 

 Necton 453 

 Nematoblast 191 

 Nematobothrium 58 

 Nematoda 52, 57, 196, 395, 396, 460 

 Nematoderma 129, 196 

 Nematoidea 142, 297, 298 

 Nematomorpha 392, 395, 396, 460 

 Nemertinea 65, 66, 141, 191, 200, 



250, 253, 254 fF. 

 Neocoelomata 426 

 Neodarwinism 28, 347 ff. 

 Neopilina 42, 393, 394 

 Neoteny 19, 21, 23, 49, 94, 274, 348, 



349, 418, 443 ff. 

 Neoturris 123 

 Nephridial organ 139, 141, 142, 144, 



389, 392, 449 



Obelia 64, 133, 187 



Ocellatae 134 



Octactiniaria 108, 109, 122, 218, 231, 



232, 238, 242 

 Octocorallia 158, 194, 196, 206, 231, 



232 

 Oesophagostomum 58 

 Okada 219 

 Oligochaeta 415, 418 

 Oligomeria 14, 41, 64, 87, 142, 167 ff. 

 Oligomerization 10, 62, 64, 122, 



139 ff. 

 Oligophyly 349, 350 

 Olynthus 7, 369, 370 

 Ontogenetic mechanism 319 

 Ontogenetic technique 35 

 Ontogeny 209 ff. 

 Onychophora 390, 412, 413, 415-419, 



460 

 Oogamy 284, 286 

 Oozooid 108, 162 

 Opalinata 362 



Opalinidae 285, 298, 362, 368 

 Oparin 359 

 Ophiuroidea 57, 87 

 Ophryoscolecidae 294, 295, 297 



