454 INDEX. 
Macrorhynchus helgolandicus, 41 
— Naegelii, 41 
Macrurus xqualis, 190 
Magelona, larva of, 234. 
Malacobdella, breeding, 5 
— grossa, 22 
Maldane crista galli, 217 
Margelis principis, 214 
— ramosa, 214 
Margellium octopunctatum, 214 
Marphysa sanguinea, 218 
Meckelia asuleata, 1 
Megalops, 233 
Megrim, 132 
— in North Sea, 400 
— see also Arnoglossus megastoma 
Members, List of Governors, Founders, 
and, xxix 
Merry sole, mature, 164 
—-—see also Pleuronectes micro- 
cephalus 
Mesh, restriction of, 437 
Mesonemertini, 4, 8 
Mesostoma neapolitanum, 41 
Metanemertini, 4, 10 
Microstoma grenlandicum, 40 
Micrura aurantiaca, 26 
— candida, 26 
— fasciolata, 26 
— purpurea, 25 
Migration of the anchovy, 300 
M‘Intosh, Prof., see Contents 
Molva abyssorum, 130 
— — from Iceland, 200 
— vulgaris, 200 
Monodphorum striatum, 44 
Monoporus rubropunctatus, 39 
Monotus albus, 44 
— fuscus, 44 
— lineatus, 44 
Monthly reports of the fishing in the 
neighbourhood of Plymouth, 107 
Morchellium argus, breeding, 229 
Morenelle, 284. 
Motella mustela, 191 
— —in Humber, 93 
Muggizea atlantica, 252, 234 
— — breeding, 224 
— — larva of, 235 
Miller’s larva, 284, 235 
Miller’s topknot, 248 
— — see also Zeugopterus 
Mullet, red: use of barbels, 167 
Murex erinaceus, breeding, 225 
Myliobatis aquila, 276 
Myrianida maculata, 218 
— pinnigera, 218 
Myriothela phrygia, breeding, 223 
Myrus vulgaris, 285 
Mysidopsis gibbosa, 221, xx 
— — breeding, 227 
N. 
Nassw inerassata, breeding, 225 
— reticulata, breeding, 225 
Nauplit, 231, 233 
Nebalia bipes, breeding, 227 
Nemertes candida, 1 
— carcinophila, 2 
— gracilis, 21 
— Neesii, 22 
— — breeding, 225 
Nemertines of Plymouth Sound, 1 
Nereis fucata, breeding, 225 
Nerine, larva of, 2384 
Nerve-elements of embryonic lobster, 
208 
Nettastoma melanurum, 279 
Nika edulis, 222 
— — breeding, 227 
Noctiluca miliaris, swarm-spores, 223 
North Sea, chart of, 446 
— — investigations, Holt, 78, 123, 169, 
288 
— — trade, deterioration, 387 
— — trawling grounds, history of, 129 
Notes and memoranda, 119, 166, 335 
Nymphon gracilis, breeding, 228 
O. 
Obelia, 232, 234 
— geniculata, breeding, 2 
— lucifera, 233 
Oikopleura, 232, 23 
€ 
23 
— breeding, 228 
Oithona spinifrons, 231 
Oligocladus sanginolentus, 47 
Ophichthys serpens, 285 
