690 



NEW YORK STATE MUSEUM 



rangles, 51T-23 ; Stratigraphic 

 value of the Portage sandstones, 

 616-29. 

 Lycopodites milleri, 602\ 



McCoy, cited, 564 4 , 576 s . 



Macrochilina, 526 6 . 



Malaise, cited, 602 3 . 



Manlius waterlime, study of fossil 



contents, 421 6 . 

 Manticoceras, 656\ 



intumescens, 610 9 , 656 3 , 670*. 

 oxy, 628 1 . 

 pattersoni, 613 6 . 

 Marcellus formation, 435 8 -36 9 ; fauna, 



668 3 . 

 Marcellus invasion, 654 2 -55 9 . 

 Mart, cited, 561 6 , 573 2 , 573 3 . 

 Matthew, G. F., cited, 559 7 , 583 1 , 



636 s , 642 9 . 

 Mattimore, H. S., collections made 



by, 420 5 . 

 Medina quadrangle, contact lines of 



upper Siluric formations, 517-23, 



521 2 -22 7 . 

 Medina sandstone, exposures, 519 7 - 



20 3 , 522°. 

 Megalaspis limbata, 569 5 . 



planilimbata, 569 5 . 

 Megalomus, 434 7 , 435*. 

 Mesothyra, 612 9 . 

 Mississippian sea, birth of, 636 s , 



659 7 ; depth of, 660 1 . 

 Modiola praecedens, 527 4 . 

 Moffatt series, 608 8 -10 2 . 

 Monograptus, 60S 7 . 

 Monroe mastodon, 439 6 -41\ 

 Monroe shales, 654 5 . 

 Morgan, R. F., paleontologic work, 



429-; referred to, 442 6 . 

 Mount Hermon conglomerate, 525 3 . 

 Mytilarca, 526 5 . 



chemungensis, 528 2 . 



Naples fauna, 421 1 , 656 2 , 670 2 . 

 Nemagraptus sp. 566 4 . 



sp. indet. 570 9 . 

 Nematophyton dechenianum, 602". 

 Newberry, cited, 599°, 659 9 . 



Niagara limestone, 650 s . 

 Nicholson, cited, 560 2 , 561 6 . 

 Normans kill shale, 640 9 -41 5 , 642 2 . 

 Nucula bellistriata, 526 5 , 528 2 . 



Oak Orchard swamp, contact lines 



of formations, 425 3 , 522 T -23 5 . 

 Obolella, 533 8 , 534 2 , 534 7 , 536 2 , 540% 

 541 4 , 545*. 

 prima, 540\ 540 3 , 544", 545 2 , 545 s . 

 Oehlertella, 527 3 . 



pleurites, 527 3 , 527 7 , 528 6 . 

 Office quarters, contraction of, 449 3 - 



50 7 . 

 Office staff, personnel of, 456 3 . 

 Office work, 442 8 -52 2 . 

 Oieau ■ quadrangle, preliminary 

 statement of the paleontologic 

 results of the areal survey of, 524- 

 28. 

 Oneonta fauna, 671 3 . 

 Onondaga fauna, 667 3 -68 3 . 

 Onondaga invasion, 652 8 , 662 1 . 

 Ophileta, 534 7 , 534 s , 540 4 , 542 6 . 



compacta, 545*. 

 Orbiculoidea, 607 8 , 608 2 , 615 1 , 623 5 . 

 sp. 62I2P. 

 magnifica, 615 1 . 



explanation of plates, 682,. 



684. 

 pi. facing p. 614. 

 Ordovicic, in eastern North America, 



637 3 -47 s . 

 Oriskany formation, 651 8 -52 5 ; fauna, 



666 s -67 2 . 

 Oriskany invasion, 662 1 . 

 Orthis, 628 2 , 628 s . 



tioga, 526 5 . 

 Orthoceratites, 628 9 . 

 Orthothetes chemungensis, 526 5 . 

 Ostracoda, 649 7 . 

 Oswegan invasion, 647 2 . 

 Ottawa bay, 642 4 . 



Palaeanatina, 528 s . 



typa, 527 5 . 

 Palaeotrochus praecursor, 624 7 . 

 Paleontology, index to state pub- 

 lications on, 448 9 -49 3 . 

 Paleozoic corals, memoir on, 442 9 . 



