1582 



INDEX. 



Lamellibranchiata, 683. 

 Laramie group of North America, 46. 

 Lasiocladia, 163. 

 LasiograptidcB, 219. 

 Lasiograptus, 219. 

 Latimceandra, 272. 

 Leaia, 511. 

 Lecanocrinus, 431. 

 Leda, 717. 

 Legnodesmus, 481. 

 Leiopathes, 263. 

 Leiopteria, 703. 

 Leiorhy •nchus, 670. 

 Leitha-kalk, 25, 1497. 

 Lepadidce, 500. 

 Lepadocrinus, 449, 456. 

 Lepas, 500, 502. 

 Leper ditia, 506, 507. 

 Leperditidce, 506. 

 Lepidechimcs , 377. 

 Lepidesthes, 376. 

 Lepidocentrus, 377. 

 Lepidoptera, 599. 

 Lepisma, 592. 

 Lepralia, 636, 637. 

 Leptcena, 659, 663. 

 Leptagonia, 662. 

 Leptobolus, 652. 

 Leptochiton, 818. 

 Leptocli?ium y 603. 

 Leptoccelia, 675. 

 Leptodomus, 750. 

 Leptograptidce, 216. 

 Leptograptus , 216. 

 Leptomaria, 766. 

 Lepton, 726. 

 Leptophyllia, 305. 

 Leptoteuthis, 880, 881. 

 Leucandra, 179, 1565. 

 Leucones, 179, 1565. 

 Leuconia, 179. 

 Leuconidce , 179. 

 Leucosolenia, 179. 

 Libellulidce, 597. 

 Lichadce, 540. 

 ZzV/to, 539, 540. 

 Lichenopora, 612, 619. 

 Liche7ioporidce, 619. 

 Life-zones, 58. 

 Lima, 700. 

 Limacidce, 811. 

 Limacina, 804. 

 Limacinidce, 804. 

 Lima?wmia, 698. 

 Limea, 700. 



Limestones, origin and microscopic struc- 

 ture of, 15-32. 

 Limidce, 699. 

 Limnadia, 510. 

 Limncea, 814. 

 LimncBidce , 813. 

 Limopsis, 713, 714. 

 Limoptera, 703. 

 Limulidce, 550. 

 Li?nulus, 546, 547, 548, 551. 

 Lindstrcemia , 266. 



Lingula, 650. 

 Lingulella, 650, 651. 

 Lingulepis, 650. 

 Lingulidce, 650. 

 Linthia, 390. 

 Liopistka, 749. 

 Litharcea, 311. 

 Lithentomum, 594. 

 LithistidcB, 164. 

 Lithocardium, 728. 

 Lithodo?nus, 711. 

 Lithogaster, 563. 

 Lithographic Limestones, 18. 

 Lithomantis, 594. 

 Lithostrotion, 287, 288. 

 Littorina, 781. 

 Littorinidcs, 781. 

 Liluites, 844. 

 Lituitidce, 844. 

 Lituola, 128. 

 Lituolidce, 122, 128. 

 Lobites, 856. 

 Lobocarcinus, 567. 

 Locust a, 597. 

 Loftusia, 129, 130. 

 Lonsdaleia, 292, 293. 

 Lophohelia, 262, 267, 268. 

 Lophophyllum, 295. 

 Lophoseridce, 304. 

 Lophoseris, 304. 

 Loricula, 500, 502. 

 Loxonema, 784. 

 Lucernaria, 195, 206. 

 Lucernarida, 206. 

 Lucina, 746, 747. 

 Lucinacea, 746. 

 Lucinidce, 746. 

 Lzddia, 392, 393. 

 Lumbricaria, 484. 

 Lumbriconereites , 479, 480. 

 Ltmatia, 779. 

 LunulicardiidcB , 729. 

 Lttnulicardium, 729. 

 Lunulites, 638. 

 Lutraria, 742. 

 Lychnocanium, 149. 

 Lymnocardium, 728. 

 Lyirmorea, 180. 

 Lyonsia, 749. 

 Lyopomata, 649. 

 Zyra, 675. 



Lyrodesma, 713, 717. 

 Lyropora, 626. 

 Lyssakina, 168. 

 Lytoceras, 859, 860. 

 Lytoceratidce, 859. 

 Lyttonia, 678. 



Maclurea, 772, 773. 

 Macrocheilus, 784, 785. 

 Macrodon, 713. 

 Macropneustes, 390. 

 Macroscaphites, 860. 

 Macrura, 562. 

 Mactra, 741, 742. 

 Mactridce, 741. 



