INDEX 



825 



Laomedea, 140 



Lappets, of Sea-anemone, 187 



Larva, of Desor, '295 



Larval membranes, of Periplaneta, 630* 



Larval organ, 391 



Latreillia, 591 



Laurentian, 7 



Laurer's canal, 243 



L'livrania, 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 



Lepas anatifera, 578 



Lepan fasciaUaris, 598 



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

 653 



Lepidurus — See Apn-i 



Lepidurus Idrkii, 528, 532 



Lepisma, 632 



Leptochelia, 567 



Leptochone, 478 



Leptodiscu-s, 79 



Leptodora, 564, 572, 598 



Leptolins, 141" : General structure, 142, 

 143,144,145: Perisarc, 143: Medusa;, 

 143, 144, 145 : Ccenosaro, 143 : Repro- 

 ductive zooids, 149 : Development, 152 



LeptomedussB, 141*, 143, 144, 149 



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

 603 



Lernaa, 564, 575, 576 



Lesteira, 676 



Leucilla convexa, 117 



Leucocytes, 30 



Leitcodore, 209 



Lice, 634, 640, 651 



Ligida, 262, 288 



Ligula, 622* 



Lima, 696, 702 



Limax, 739, 743 



LimruBus, 746 



Limnetis, 564, 571 



Limnobdella — see Hirudo 



Limnocnida, 167 



lAmnocodium, 167 



Limpets. 721, 733, 743— See Patella 



Limulus, 666, 667, 670, 671 



Lineus, 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 



Lilhdbius forficatim, 615 



Lithocircus annularis, 60 



Lithocysts, 135* 



Littoral forms, 8* 



Liver, 34* 



Liver-Fluke — See Fanciola hepatica 



Liver-pancreas, 34 



Lobata, 221*, 223, 224 



Lobosa, 48*, 49 : General structure, 4S, 

 49 : Skeleton, 49 



Lobsters, 569, 587, 599 



Locomotion, of Amieha, 11, 46 ; Heliozoa, 

 57 : Euglena, 68 : Flagellata, 72 : 

 Choanoflagellata, 78 : Sporozoa, 80 : 

 Parammcium, 90 : Tentaculifera, 101 



Locomotor rods, 319 



Locusta, 633 



Locusts, 526, 633, 636, 646 



Lohmanella, 233 



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



Loligo vulgaris, 792 



Lophogaster, 567 



Lophomoiias, 93, 94 



Lophophore, 340, 341, 362, 368 



Lophopus, 351 



Lorica, of Ciliata, 96 : Flagellata, 71',. 

 73: Choanoflagellata, 77, 78: Tenta- 

 culifera, 101 . Rotifera, 324 



Loricata, 328*, 329 



Loxomma, 348, 354 



Lucernarida — See Stauromeduste, 176. 



Lucernaria, 176, 177, 178 



Lucifer, 569, 599 



Lucina, 703 



Lumhricidce, 467* 



LcTMBRlcus, 454 : General external fea- 

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

 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 



Liimhricv,s rubelhis, 483 



Lumbricus trapezoides, 483 



Luminous organs, 645 



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

 nata, 743 



Lymph, 29* 



LysophiursB, 411* 



M. 



M 



' ACROBDELLA VAIDIVIASA, 517 

 Macrohiotus hufelandi, 675 

 Macula aoustioa, 772 

 Maorura, 568*, 601, 602, 603, 670 

 Madrepora, 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 



