532 



PALEONTOLOGIGAL IXDEX 



Lepralia, ^23, 424, 425, 426. 



ansata var. tetragona, 420. 



edax, 424. 



inamsena, 416. 



labiosa, 426. 



maculata, cxvi ; ^23. 



marylandica, cxvi ; ^5. 



montifera, cxvi ; ^2^. 



pallasiana, 427. 



pleuropora, 416. 



reversa, cxvi ; 1/26. 



subplana, 426. 

 Leprallidae, ^23. 

 Lepton mactroides, 330. 

 Leptonacea, 323. 

 LeptonidiB, 327. 

 Lima, cxxxiv, cliii ; 370. 



papyria, cxiv ; 370. 

 Limidse, 370. 



Liocardium mortoni, 323. 

 Liradiscus, 503. 



ellipticus, 503. 

 Lirosoma, 183. 



sulcosa, cii ; 183. 

 Lithasteriscus, 452, ^53. 



radiatus, cxviii ; 452, ^53. 

 Littiocampe, ^50. 



marylandica, cxviii ; iSO. 

 Lithocampida, J/SO. 

 Lithodendron lineatus, 441. 

 Lithodendrum lineatum, 441. 

 Litliophaga, cxxxiv ; S6fi. 



ionensis, cxii ; 36^. 



subalveata, cxii, cxxxiv ; 36li. 

 Lithotliamnion, clii. 

 Litorina irrorata, 240. 

 Littorina, cxxvi ; 2^0. 



irrorata, cvi, cxxvi ; 21/0. 

 Littorinidse, 2^0. 

 Lopliocetus, 9, 25. 



calvertensis, xciv ; 26. 

 Lotorium, clii. 

 Lucina, cxxxii ; 41. 



acclinis, 334. 



alveata, 338. 



americana, 337. 



anodonta, 337. 



contracta, 339. 



crenulata, cxxxii ; 338, 340. 



cribraria, 341. 



foremani, 336. 



lens, 340. 



quadrisulcata, 341. 



subplana, 339. 



subplanata, 339. 



trisulcata, cxxxii ; 337, 338. 

 Lucinacea, 33i. 

 Lucinidae, 336. 

 Lucinisca, 3lfl. 

 Lucinoma, 339. 



Lunatia, cxxviii ; 252. 



catenoides, 253. 



heros, 254. 



interna, 253, 254, 266. 



perspectiva, 254. 



triserialis, 254. 

 Lunulites denticiilata, 414, 415. 



depressa, 414. 

 Lutraria, cliii, 

 Lyropecten, 377. 



M 



Macoma, cxxxii ; 301. 



lenis, ex, cxxxii ; 301. 



marylandica, ex ; 302. 



prcducta, 299. 

 Macrocallista, cliii ; 311. 



albaria, 311. 



marylandica, Ixxvii, Ixxxi, Ixxxii, 

 Ixxxvii, Ixxxix, xci, xcii, ex, 

 cxxxii ; 311. 



reporta, civ. 

 Maeropboca atlantieus, 6. 

 Mactra, exxx, cliii ; 286. 



clathrodon, eviii ; 286. 



confraga, 289. 



delumbis, 286. 



fragosa, 289. 



incrassata, 289. 



ponderosa, 288. 



subcuneata, 286. 



subparilis, 289. 



subponderosa, 288. 



virginiana, 286. 

 Mactracea, 285. 

 Mactridse, 286. 

 Mactrinse, 286. 

 Mactrodesma ponderosa, 288. 

 Mactromeris, 286. 

 Madrepora palmata, xliv ; 439. 

 Malaeostraca, 1, 9.}. 

 Mammalia, xciv, 1, 3. 

 Manatidae, 56, 57. 

 Manatus, 56. 



giganteus, 56. 

 Mangilia, exxiv, 153. 



cornelliana, c ; 15^. 



obtusa, c ; 155. 



parva, Ixxxv, xci, e, exxiv ; 153, 154. 



parvoidea, c ; 15^. 



patuxentia, c ; 15^. 

 Margaritaria, 361. 



abrupta, cxii, eliv ; 361. 

 Marginella, exxiv ; 170. 



calvertensis, cii ; 172. 



eonulus, 170, 171. 



denticulata, cii, exxiv ; 171. 



minuta, cii, exxiv ; i70. 



perexigua, 227. 

 Marginellidse, 170. 



