INDEX 



825 



Laomedea, 140 



Lappets, of Sea-anemone, 187 



Larva, of Desor, 295 



Larval membranes, of Perijrfaneta, 630* 



Larval organ, 391 



Latreillia, 591 



Laurentian, 7 



Laurer's canal, 243 



L'i,verania t 86 



Leaf-insects, 633, 636 



Leda, 695 



Leech See Hirudo 



Leeches See Hirudinea 



Lemnisci, 313* 



Lemnobdella See Hirudo 



Lens, 39 See Eye 



Lepas, 565, 577, 578 



Lepa$ anatifera, 578 



Lepa* fascicularis, 598 



Lepidoptera, 635*, 639, 647, 649, 651, 

 653 



Lepidurus See A pus 



Lepidurus kirkii, 528, 532 



Lepisma, 632 



Leptochdia, 567 



Leptochone, 478 



Leptodiscus, 79 



Leptodora, 564, 572, 598 



Leptolinae, 141* : General structure, 142, 

 143, 144, 145 : Perisarc, 143 : Medusa*, 

 143, 144, 145 : Ccenosarc, 143 : Repro- 

 ductive zooids, 149 : Development, 152 



Leptomedusse, 141*, 143, 144, 149 



Leptostraca, 566*, 580, 581, 595, 596, 601, 

 603 



Lerncea, 564, 575, 576 



Lesteira, 576 



Leucilla convexa, 117 



Leucocytes, 30 



Leucodore, 209 



Lice, 634, 640, 651 



Ligula, 262, 288 



Ligula, 622* 



Lima, 696, 702 



Limax, 739, 743 



Limnceus, 746 



Limnetis, 564, 571 



Limnobddla see Hirudo 



Limnocnida, 167 



Limnocodium, 167 



Limpets. 721, 733, 743 See Patella 



Limulns, 666, 667, 670, 671 



Linens, 232 



Lingua, 641 



Lingual ribbon, 726 



Linguatulida, 673, 674*, 675, 678 



Lingula, 366, 367, 368, 369, 371 



Linnaeus, 1, 3 



Liquid tissues, 29 



Lithite, 136* 



Lithites, of Aurelia, 173 



Lithobius forficatm, 615 



Lithocircus annularis, 60 



Lithocysts, 135* 



Littoral forms, 8* 



Liver, 34* 



Liver-FlukeSee Fasciola hepatica 



Liver-pancreas, 34 



Lobata, 221*, 223, 224 



Lobosa, 48*, 49 : General structure, 48, 

 49 : Skeleton, 49 



Lobsters, 569, 587, 599 



Locomotion, of Amoeba, 11, 46 : Heliozoa, 

 57 : Muglena, 68 : Flagellata, 72 : 

 Choanoflagellata, 78 : Sporozoa, 80 : 

 Paramcecium, 90 : Tentaculifera, 101 



Locomotor rods, 319 



Locnsta, 633 



Locusts, 526, 633, 636, 646 



Lohmanella, 233 



Loligo, 796, 798, 800, 801, 802, 803 



Loligo vulgaris, 792 



Lophogaster, 567 



Lophomonas, 93, 94 



Lophophore, 340, 341, 362, 368 



Lophopus, 351 



Lorica, of Ciliata, 96: Flagellata, 71, 

 J3: Choanoflagellata, 77, 78: Tenta- 

 culifera, 101 : Rotifera, 324 



Loricate, 328*, 329 



Loxosoma, 348, 354 



Lucernarida See Stauromedusa 1 , 176 



Lucemaria, 176, 177, 178 



Lucifer, 569, 599 



Lucina, 703 



Lumbricidce, 467* 



LCMBRICUS, 454 : General external fea- 

 tures, 454: Body- wall, 456: Setaj, 

 454, 457 ; Setigerous sacs, 457 : Enteric 

 canal, 457 : Vascular system, 458 : 

 Nervous system, 459 : Organs of ex- 

 cretion, 460, 461 : Reproductive organs, 

 461, 462: Development, 463, 464; 

 Systematic position, 466 



Lumbricus rubellus, 483 



Lumbricus trapezoides, 483 



Luminous organs, 645 



Lung, 35* : of Scorpion, 657 : of Pulmo- 

 nata, 743 



Lymph, 29* 



LysopMurae, 411* 



iVl ACROBDELLA VALDIVIANA, 517 



Macrobiotus hufdandi, 675 



Macula acustica, 772 



Macrura, 568*, 601, 602, 603, 670 



Afadrepora, 207 



Madreporaria, 194*, 197, 198, 200, 205, 



207, 210, 227 

 Madrepores, 207, 210 

 Madreporic canal, 383, 399, 402 

 Madreporite, of Starfish, 376, 419: of 



Sea-urchin, 397 



