380 



INDEX 



Labrum, 296 



Lagena, 23 



Lamellibranchia, 197-231 



Laminarian zone, 185, 252 



Lancet-plate, 151 



Lapivorthura, 114 



Lateral budding of corals, 80 



teeth, 204 

 Leda, 211 

 Leeches, 158 



Left valve (laniellibranch), 208 

 Leioceras, 287 

 Leiopteria, 214 

 Leiostoma, 255 

 Lepadocrinus, 148 

 Lepas, 316, 317 

 Leperditia, 314 

 Lepidaster, 112 

 Lepidesthes, 121 

 Lepidocentrus, 133 

 Lepidodiscus, 157 

 Lepidopleurtis, 238 

 Lepidoptera, 335 

 Lepisma, 334 

 Lepralia, 195 

 Leptama, 176 

 Leptograptus, 68 

 Leptoplastus , 305 

 Leptostraca, 319 

 Leucosolenia, 32 

 Lichas, 309 

 Ligament, 205 

 Lima, 216 

 Limatula, 216 

 Limncea, 250 

 Limonite, 8 

 Limulus, 338-343 

 Lingual ribbon, 232 

 Lingula, 171 

 Lingulella, 171 

 Liomesus, 255 

 Liparoceras, 287 

 Litharcea, 93 

 Lithistida, 42, 47 

 Lithocampe, 29 

 Lithodomus, 212 

 Lithophagus, 212 

 Lithostrotion, 89 

 Littoral zone, 185, 252 

 Littorina, 242 

 Lituola, 23 

 Lobes (Ammonoidea), 267 



Lobsters, 327 

 Locustidae, 335 

 Loganograptus, 67 

 Lofr^o, 286 

 Lonsdaleia, 90 

 Lophophore, 188, 191 

 Loricula, 317 



Lotorium= Tritonium, 245 

 Loxonema, 241 

 Lucina, 223 

 Ludivigia, 287 

 Lung-books, 289, 352 

 Lunule, 202, 205 

 Lunulites, 195 

 Lyopomata, 170 

 Lytoceras, 273 



Maclurea, 254 



Macrocephalites, 277 



Macrocheilus, 241 



Macrochilina, 241 



Macrocy Stella, 149 



Macrodon= Grammatodon, 231 



Macroscaphites, 274 



Macrura, 329 



Mactra, 225 



Maculae, 296 



Madrepora, 102, 104 



Madreporaria, 77 



Madreporic plate, 108, 112, 113, 

 125 



Madreporite, 108, 147 



Magas, 187 



Magellania, 183 



Malacostraca, 317 



Malaptera, 254 



Mamelon, 121 



Mandibles, 290, 299, 312, 314, 316, 

 320, 328, 332, 333 



Mantellum, 216 



Mantle (Brachiopoda), 160 

 ,, (Cephalopoda), 258 

 ,, (Gasteropoda), 232 

 ,, (Lamellibranchia), 197 

 ,, (Mollusca), 196 

 ,, (Scaphopoda), 256 



Mantle-cavity, 160, 197, 258 



Marginal fasciole, 123 

 ,, plates, 108 

 ,, pores, 152 



Marsipiocrinus, 145 



Marsupites, 143 



