INDEX 



549 



Melicerta, 202, 205, 206, 210, 215, 218, ' 

 219, 221, 226 ; early description of, 

 197 



Melieertaceae, 203, 221 



Melicertidae, 201, 203, 205, 211, 213, 

 221 



Melinna, 330 



Membranipora, 481, 492, 518, 519, 523, 

 528, 530 ; phosphorescence, 478 ; func- 

 tion of aperture, 500 ; larva, 509, 510 ; 

 variation, 516 



Membraniporella, 518, 524, 528 



Menipea, 518, 526, 527 



Mermis, 131, 150, 160, 163 



Mermithidae, 150, 163 



Meromyarii, 129, 137, 142 



Mertens, on Polyclads, 6, 23 



Mesobdella, 407 



Mesocestoides, 91 ; M. lineattis, life-history, 

 84 ; specific characters, 90 



Mesonemertini, 112 



Mesostoma, 44, 45 ; reproduction, 48 ; 

 British species, Jfi 



Mesostomatidae, Jfi 



Mesotrochal larva, 325 



Mesozoa, 92 f. 



Metamerism, 249 



Metamorphosis, in Polycladida, 16, 28 ; in 

 Trematodes, 5, QQ f. ; in Cestodes, 5, 

 74, 76, 87-89 ; in Phoronis, 459 ; in 

 Polyzoa, 512 



Metanemertini, 112 



Metastatica (=Holostomatidae), 73; life- 

 histories, 64 



Metopidia, 200, 225 



Metschnikoff, on Orthonectida, 94 ; on 

 Nemertines, 99 ; on Chaetosomatidae, 

 158 



Meyer, on Polychaeta, 261 



Michaelsen, on Earthworms, 349, 353, 359, 

 370 f., 375, 385 



Microchaeta, 362 



Microcodides, 224 



Microcodon, 202, 215, 224, 230 



Microcodonidae, 202, 220 n., 224 



Microcotyle, '73 ; eggs of M. labracis, 58 



Microcotylinae, 73 



Microdrili, 373, 374 f. 



Microplana, 34, 42 



Micropora, 518, 530 ; zooecium, 523 



Microporella, 516, 518, 519, 529 ; avi- 

 cularia, 484, 485 ; median pore, 501 



Microscolex, 372, 382, 383, 384 



Microstoma, 44 ; asexual reproduction, 

 44 ; sexual organs, 47 ; British species, 

 49 



Microstomatidae, 49 



M /crura, 101, 114 ; British species, 111 



Migrations, of Trematode-larvae, 5, 52, 

 63 f. ; of Cestode- larvae, 5, 74, 83, 

 87 



Millson, on Oligochaeta, 368, 387 



Millsonia, 382 f. 



Milne-Edwards, on Polyzoa, 475 



Mimicry, in Polychaeta, 293 f. 



Mimosella, 518, 532 ; movement of 

 zooecia, 481 



Molluscoidea, 475 



Molops, host of Gordius, 172 



Monhystera, 160 



Moniez, on Cestodes, 84 n., 85 ; on Earth- 

 worms, 369 



Moniezia, 83, 91 ; characters of genus, 90 ; 

 M. alba, M. benedeni, M. denticulata, 

 90 ; M. expansa, 83, 90 ; M. neumani, 

 M. oblongiceps, M. planissima, M. 

 trigonophora, 90 



Moniligaster, 359, 380, 402 



Moniligastridae, 361, 373, 380 

 . Monkey, parasites of, 145 



Monocotyle, 73 



Monocotylinae, 73 



Monogenea (Monogenetic Trematodes), 5, 

 53 ; classification, 73 



Mononchus, 154 



Monoophorum striatum, 50 



Monopora vivipara, 117 



Monoporus rubropunctatus, 49 ; reproduc- 

 tive organs of, 47 



Monostomatidae, 73 



Monostonmm, 71, 73 ; life-history, 72 



Monostyla, 225, 226 



Monotidae, 50 



Monotus, 36 ; British species, 50 ; 31. 

 fuscus, 45 ; habits, 46 



Monozoa, 91 



Montgomery, on Stichostemma eilhardii, 

 118 



Monura, 225 



Morren, on Earthworms, 347 



Moseley, on Land Planarians, 7, 35 n., 37 ; 

 on Pelagonemertes, 101, 114 



Movements, in Rotifers, etc., 206, 235 



Moxon, on Rotifers, 198 



Mucro, 522, 525 



Mucronella, 518, 522, 528, 529, 530, 531 



Miiller, F., on Triclads, 37 ; on Polyzoa, 

 493 



Miiller, O. F., on Turbellaria, 6 ; on Roti- 

 fers, 197 ; on Oligochaeta, 348, 352 



Midler's larva, 16, 28, 29 



Muscles, of Leptoplana, 12 ; of intestine 

 in Polyclads, 24 ; of Nemertinea, 102, 

 103 ; of Nematoda, 128 ; of Gordiidae, 

 165 ; of Chaetognatha, 187 ; of Rotifers, 

 etc., 206, 233, 237 ; of Nereis, 247, 

 249 f. ; of Polyzoa, 469, 470, 472, 499, 

 500 see also Body-wall 



Musculo-glandular organ, in Triclads, 39, 

 40 



Myrianida, 280, 308 ; gemmiparity, 279, 

 280 ; markings, 293 



Myrianites, 302 



Mytilia, 225, 226 



