SUBJECTS INDEX 



471 



Leucandra, 20. 

 Leucochlomlium, 185, 187. 

 Leucosoleuia, 33. 

 Lilyopsis, 71. ■ 

 Lineus lacteiis, 21T. 



obscunis (Figs. 105-107), 22-1-5. 

 Liriope, 56. 

 Lizzia, 49. 

 Lobatffi, 151, 152. 

 Loimia, 295. 

 Lopadorhyncbus, 288, 292-294, 



300. 

 Lophocalyx, 34. 

 Lucernaridffi, 102. 

 Lumbricidffi, 281, 300. 

 Lumbricouereis, 275. 

 Lumbriculus, 301. 

 Lumbncus, 281, 283, 284, 291, 293, 



294, 297, 300. 



Macrostomum, 173, 176. 

 Madreporaria, 98. 

 Magelona, 278. 

 Malacobdella, 228. 

 Malacodermata, 100. 

 Manicina, 89, 95. 

 Meandrina, 102. 

 Medusoid theory, 72. 

 Medusom, 65. 

 Megascolex, 291. 

 Melitbasa, 83. 



Meridional cleavage furrows, 3. 

 Mermis, 240. 

 Mermithidse, 239. 

 Meroblastic eggs, 7. 

 Mertensiae, 151. 

 Mesencbyma, 11. 

 Mesentery, 11. 

 Mesoderm, 5, 10. 



somatic, 11. 



splanchnic, 11. 

 Mesodermic bands, 10. 

 Mesogloea, 79. 

 Mesotrochffi 271, 272, 274. 

 Mesozoa, 215. 

 Metagenesis, 2. 



Metastomial discs (Pilidium), 221. 

 Metazoa, 1. 



Microcotyle (Fig. 93), 188. 

 Microcvema, 214. 

 Microbydra, 49. 

 Millepora. 53. 

 Mitrana, 275, 276, 316. 

 Mitrocoraa, 43. 

 Mnemiopsis, 151. 

 Monactinellid£e, '62. 

 Mouaulese, 94. 



Monophyes, 72. 

 MonophyidEe 72. 

 Monopora, 217, 228, 229. 

 Monostomum, 190. 

 . flavum, 187. 



foliaceum, 200. 



mutabile, 187. 

 Monotidse. 177. 

 Monotrocbae, 271, 275. 

 Monoxenia, 77. 

 Muggisea, 72. 



Miiller's larva, 165, 167, 168. 

 Multipolar ingression, see Ingres- 



sion, multipolar. 

 Myzostoma cirriferum, 315. 



complemental males of, 318. 



glabrum, 315. 



Naididaä, non-sexual reproduction 



of, 302. 

 Narcomedusse, 53, 57. 

 Naasitboe, 113, 119. 

 Nemathelminthes, 234. 

 Nematoda, 234. 



relationships of, 246. 

 Nematogen embryos of Dicyemida, 



210. 

 Nemertini, 217. 



relationships of, 230. 

 Nephelis, 318, 325, 328. 

 Nereidffi, atokal forms of, 303. 



epitokal forms of, 303. 



nou-sexual reproduction of, 

 303. 

 Nereis, 3,263,279, 286. 

 Nerine, 278. 

 Neuronephroblast (Hirudinea), 



320. 

 Neuropore of Balanoglossus, 388. 

 Non-sexual reproduction, 12. 

 Nototrochffi, 271, 277. 



Obelia, 48. 



Oceania, 49, 113. 



Oculinacea, 101. 



Ocyrrhoe, 151. 



Oligochffita, 281. 



Oligocladus, 167. 



Olynthus, 19. 



Ophiactis, reproduction by division 



in, 46-5. 

 Ophioglypha, mesencbyma of, 400. 

 Ophiopholis, mesencbyma of, 403. 

 Ophiotrix, enterobydrocoele of, 413. 

 Opbiuroidea, 422, 437. 

 mesencbyma of, 400. 



