17] 



VOLUMES XLI-L. 



495 



GEOLOGY. 



Gastropoda, Tennessee, Wade, 

 45, 78, 334- 



Geologic section of Pennsylva- 

 nia, Butts, 46, 523. 



Glaciation. See Glaciation. 



Glaciers. See Glaciers. 



Green River desert section, 

 Utah, Emery, 46, 551. 



Hackberry stage of the Devonian 

 of Iowa, Fenton, 48, 355. 



Headwaters divide of Right 

 Middle Creek, Kentucky, Jill- 

 son, 47, 60. 



Heterolasma foersti from Michi- 

 gan, Ehlers, 48, 461. 



Hillsboro sandstone, strati- 

 graphic position, Prosser, 41, 



435- 



Homalonotus, Reed, 46, 771. 



Hymensea, Cretaceous from Ala- 

 bama, Berry, 47, 65. 



Hymenoptera, fossil parasitic, 

 Cockerell, 47, 3?6- 



Hypisodus alacer, Troxell, 49, 



391- 



Insects, ancestry of, Tothill, 42, 

 373; in Burmese amber, Cock- 

 erell, 42, 135, 44, 360; from Coal 

 Measures of France, Bolton, 45, 

 78; Eocene, Cockerell, 50, 169. 



— Triassic, of Australia, 47, 307 • 



Isopod, fossil, Chilton, 47, 307. 



Isostasy. See Isostasy. 



Jurassic, American, ammonites, 

 Reeside, 50, 240; Fauna, Cuba, 

 Roig, 50, 237- T7 



Keokuk beds, geodes of, Van 

 Tuyl, 42, 34. 



Labyrintho'dont, new, Pennsyl- 

 vania Triassic, Sinclair, 43, 319. 



Lava. See Lava. 



Lichads, Amer. Ordovician, gen- 

 eric relations, Foerste, 49, 26. 



Ligamentum teres in Nebraska 

 Proboscidea, Barbour, 41, 251. 



Lignite, age of Brandon, Berry, 

 47, 2TI. 



Limestone, Niagara, Rochester, 

 br-ecciation in, Giles, 47, 349. 



Lopolith, Grout, 46, 516. 



Manzano group, New Mexico, j 

 Lee, 49, 323. I 



Marine faunas, bottom control, 

 Kindle, 41, 449; invertebrates, 

 analysis, Clarke and Wheeler, 



43, 419. 

 Mastodon, So. Carolina, Loomis, 

 45, 438. 



GEOLOGY. 



Mesozoic physiography of Rocky 

 Mts., Lee, 47, 78. 



Miocene bowlders, fossiliferous, 

 Block Island, Shimer, 41, 255. 



Mississippian of Kentucky, Butts, 

 47, 232; of Ohio, etc., correla- 

 tion of, Verwiebe; 43, 301. 



Mollusks, Bivalve, of the North- 

 west Coast of America, Dall, 

 42, 439- 



Morrison formation, Mook, 43, 

 85; Colorado, Knowlton, 49, 

 189; Lee, 49, 183. 



Morrow group of Arkansas 

 fauna, Mather, 41, 375. 



Mountains, block, in New Zea- 

 land, Cotton, 44, 249; 45, 149. 



Mysticocrinus, Springer, 46, 666. 



Naiades of Pennsylvania, Ort- 

 mann, 50, 242. 



Neocalamites, Berry, 45, 445. 



Neocomian of Argentina, Wind- 

 hausen, 47, 303. 



Neogene deposits in Venetia, 

 Stefanini, 44, 299. 



Nutmeg, fossil, from Texas, 

 Berry, 42, 241. 



Oligocene camel, Troxell, 43, 

 381; of Chehalis Valley, pale- 

 ontology, Van Winkle, 45, 334; 

 Felidse, Thorpe, 50, 207. 



Onaping map area, Collins, 46, 

 547- _ 



Ordovician, Indiana, McEwan, 

 50, 154- - 



— Lichads, generic relations, 

 Foerste, 49, 26. 



— Middle of Pennsylvania, 

 Field, 48, 403. 



— strata of the Baltic basin, 

 Raymond, 42, 437. 



— Upper, formations in Canada, 

 Foerste, 42, 438. 



— and Silurian brachiopods, Gir- 

 van district, Reed, 43, 493; 

 Fossils, Index to American, 

 Bassler, 41, 148. 



Organic remains in iron-bearing 

 Huronian rocks in Minnesota, 

 Grout and Broderick, 48, 199. 



Orthophragmina, etc., American 

 species, Cushman, 50, 468. 



Osteological material from 

 Machu Picchu, Eaton, 42, 86. 



Paleogeography, Paleozoic, in 

 the Arctic, Holtedahl, 49, 1, 

 308. 



