INDEX OF NAMES 



331 



Holothurioidea, self-evisceration, 127 

 Homarus vulgaris, temperature range, 



79 



weapons, 109 



autotoray, 11 8-1 9 



migrations, 175 



feeding, 193 



mysis stage, 269 

 Hyas, masking, 91 

 Hydra, reproduction, 261 

 Hydractinla echinata, commensal , 



Hydrobia, resistance to desiccation, 

 63 



reproduction, 270 

 Hydroides norvegica, growth, 267 

 Hydrozoa, nervous system, 221 



reproduction, 260-1 

 Hymeniacidon cariincula, habitat, 49 

 Hymenocera, protective resemblance, 



96 

 Hypophorella, epizoic, 86 



lanthina, dye-yield, 287 

 Icthyonema grayi, parasitic, 149 

 Idotea, habitat, 57 

 Inachus, masking, 91-2, 133 

 Isopoda, spp., care of eggs, 252 

 reproduction, 269 



Jorunna, protective resemblance, 97 

 spawn, 275 



Kellia, habitat, 49 



Lacuna, spp., habitat, 49 

 Lafoea dispolians, epizoic, 87 

 Lagis koreni, tube, 103 

 Lagisca extenuata, autotomy, 129 

 Lamellidoris , spp., protective resem- 

 blance, 97 

 spawn, 274-5 

 Laminaria, spp, 47 



fauna of, 49, 50, 86 

 economic aspect, 294, 297 

 description, 303, 305 

 Lanicc conchilega, habitat, 49 

 Lascea rubra, resistance to desicca- 

 tion, 63 

 Laurencia pinnatifida, as food, 293 

 Leander, spp., autotomy, 118 

 migrations, 175 

 feeding, 193 

 economic aspect, 288 

 Lepadogaster bimaculatus, spawn, 278 

 Lepeophtheirus pectoralis, parasitic, 

 146 



Lepralia foliacea, affording shelter, 



86 

 Leptoplana treinellaris, locomotion, 



161-2, 164 

 Leucosolenia botryoides, reproduction, 



258-9 

 Leuresthenes tenuis, life-cycle, 250 

 Lichomolgus agilis, parasite, 146 

 Ligia, spp., habitat, 49 

 adaptation, 70 

 locomotion, 155 

 gills, 201 

 spawn, 270 

 Limapontia nigra, locomotion, 173 

 Limnoria lignorum, borer, 170 

 Limulus Polyphemus, temperature 



range, 77 

 Linckia multifora, autotomy and 



regeneration, 124, 126 

 Linens, spp., habitat, 49 



feeding, 191 

 Liparis, suckers, 69 

 Lipiira, description, 309 

 Liriope, reproduction, 261 

 Lithothamnion, adaptive form, 70 

 Littorina, spp., habitat, 49, 50, 57 

 invader, 55 



resistance to desiccation, 63 

 protective resemblance, 97-8 

 parasitised, 147 

 locomotion, 163 

 respiration, 207, 209 

 reaction to light, 232 

 reaction to tidal rhythm, 240 

 reproduction, 249, 257, 259, 



270, sqq. 

 economic aspect, 284, sqq. 

 in polluted water, 300 



Machilis maritima, habitat, 309 

 Macoma balthica, habitat, 52 

 Macromysis, reaction to light, 234 

 Mactra, eye, 229 

 Malacostraca, larval forms, 267 

 Marsipella spiralis, shell construc- 

 tion, 243 

 Megalopa stage, 267, 269 

 Meleraphe, habitat, 51 

 Melia tessellata, commensalism, 137 

 Melibe, feeding, 194 

 Melobesia, adaptive form, 70 

 Membranipora, salinity conditions, 

 81 



adaptive form, 70 

 Metridium marginatum, locomotion, 

 159-60 



reproduction, 262 



