446 



Index. 



Monobothrum, 171. 

 Monocampic, 168. 

 Monocaulidae, 93. 

 Monocaulis, 93. 

 Monocelis, 161. 

 Monoceros, 309. 

 Monochitonidae, 232. 

 Monocystidea, 65. 

 Monocystis, 64. 

 Monocyttaria, 62. 

 Monoderic, 13. 

 Monoecious, 34. 

 Monogenea, 174. 

 Monogenetic, 35. 

 Monolistra, 362. 

 Monomeric, 95. 

 Monomya, 261, 268. 

 Monopleurobranchiata, 315. 

 Monopsea, 95. 

 Monorhagia, 162. 

 Monostomidae, 176. 

 Monostomum, 170. 

 Monnsyca, "8. 

 Mnnstrilla, 3 } \- 

 Montacuta, 207, 

 Mopsca, 123. 

 Morch, 312. 

 Morphince, 413. 

 Morphological individual, 25. 

 Morpholog;. 

 Mornsia, 2 j<>, 254. 



Mntorcs aculei, 140. 

 Motions of protoplasm, 2. 

 Mucous glands, 14. 

 Miiller, 15,61, 37, 126,345. 

 Mulleria, 268. 

 Murcx, 289, 291, 298, 30*). 

 Muricea, 122. 

 Muricidce, 309. 

 Musca, 408. 

 Muscle cell 

 Muscular ti-Mie, 2O. 

 .Muscle- of Kchinus, 143. 



Insects, 380. 



.. Molluscs, 288, 317. 



,, HrA'o/oa, 22'. 

 Mutilla, 420. 

 Mya, 256. 

 Myacea, 271. 

 Myeloid cells, 10. 

 Myeloplaxt-. 

 Mygalidx, 374. 

 Mygale, 365,368, 374. 



Myidae, 271. 

 Myodora, 270. 

 Myopsidae, 6. 

 Myoryctes, 184. 

 Myosin, 6. 

 Myriopoda, 377. 

 Myrmecia, 375. 

 Myrmeleo, 327. 

 Myriothelidae, 92. 

 Myriotrochus, 152. 

 Myriozoidae, 229. 

 Mysis, ear of, 340. 

 Myopsidx, 274. 

 Myc^in, 6. 

 Mysis, 340, 358. 

 Mytilus, 2^>. -.S7, 267. 

 Mytilicardia, ^'.4. 

 Myxodictyum, 49. 

 Myxobrachia, 62. 

 Myxomycetes, 25. 

 toma, 49. 



[75. 



Xacclla, 307. 

 -44- 



218. 



Nanina, 312. 

 Nassa, 309. 

 Xassula. (>(), 71. 

 Natural selection, 7 1 . 

 Naumann, 19. 

 Nauplius, 342. 

 Natisithoe, 105. 

 Nautactis, 114. 

 Nautilus, 



tic region, 42. 

 Xebalia, 3^1. 

 Xecrophorus, 418. 

 Ncctocalyx, 88, 96. 

 Xectos.i 



Xectocalycine canals, 97. 

 Xeda, 305. 



Xeedham's filaments, 327. 

 Xeisidae, 108. 

 Xematelmia, 177. 

 Ncmatoda, 179. 

 Xematophore, 95. 

 Xemertes, 162, 167. 

 Xemertidea, 101. 

 Xemopsidae, 92. 

 Xemopsis, 92. 

 Xeossin, 8. 

 Xeotropical region, 44. 



