GEOGRAPHICAL AND PERSONAL INDEX. 
PART II. PAGES 475 TO 1081. 
Anticosti, Ambonychia, 494. 
Barrande, J., on classification of tribolites, 751; on 
Harpes, 756. 
Beecher, C. E., 694. 
Billings, E., Cypricardites billingsi, 539; Illenus 
milleri, 720. 
Calvin, S., Ctenodonta ealvini, 597. 
Cannon Falls, A parchites, 645. 
Cincinnati, O., Calymmene callicephala, 699; Mo- 
diolopsis alata, 512. 
Clarke, J. M., chapter on the Lower Silurian Ceph- 
alopoda of Minn., 761-812; chapter on the Lower 
Silurian trilobites of Minn., 695-759; communi- 
cation of, 694, 760. 
Conrad, T. A., Thaleops ovata, 716. 
Covington, Ky., Modiolopsis chatfieldensis, 508. 
Dyer, ©. B., Dyeria, 1044. 
Emmons, H., on illenus trentonensis, 719. 
Fischer, on classification of Gastropoda, 817. 
Ferste, A. F., on Nileus minnesotensis, 712. 
Fountain, Minn., Moorea angularis, 682; Tetra- 
della quadrilirata, 680. 
Grant, U. 8., Bythocypris granti, 689. 
Hall, James, on Grammysia, 621, 625; on Ortho- 
ceras, 787. 
Hampshire, Va., Calymmene callicephala, 699. 
Hasse, R. H., 694. 
High Bridge, Ky., Schmidtella, 642. 
Holm, Gerard, on Endoceras (Nanno) belemniti- 
forme, 770, 772; on Illeenus crassicauda, 715. 
Hyatt, Alpheus, on Cyrtoceras, 803; on Nanno, 812. 
Janesville, Wis., Ctenodonta medialis, 593; Illenus, 
716. 
Jones, T. R., on Aparchites simplex, 644; on Byth- 
ocypris, 686; on Dicranella, 664; on Hurychilina 
reticulata, 660; on species of Leperditia, 635, 637. 
Kenyon, Minn., Illenus amercanus, 716. 
Koken, on Raphistoma, 935; on Tremanotus, 899. 
Krause, Aurel, on Ostracoda, 659. 
Lindstrom, on Triblidium, 825. 
Meeds, A. D., Vanuxemia dixonensis, 552. 
Miller, S. A., on Calymmene callicephala, 699; on 
Cypricardites, 535; on Modiolopsis and Modio- 
morpha, 503; on Palwoconcha, 580, 605. 
Mineral Point, Wis., Encrinurus raricostatus, 740. 
Minneapolis, Aparchites, 645; Bumastus trenton- 
ensis, 721; Cyrtodonta tenella, 547; Hurychilina 
ventrosa, 662; Nileus vigilans, 712. 
Nicholson, H. A., on classification of Gastropoda, 
817. 
Platteville, Wis., Illanus milleri, 720. 
Pleasant Grove, Minn., Bumastus trentonensis, 
720. 
Robbins, Dr. C. H., 694, 766, 1078; Platymetopus 
cucullus, 747; Trochonema (Hunema) robbinsi, 
1053. 
Safford, J. M., Cyrtodonta grandis, 549; Lophospira 
saffordi, 983; Vanuxemia gibbosa, 559. 
St. Anthony Park, Minn., Bumastus trentonensis, 
720. 
Sardeson, F. W., on Stenotheca exserta, 843. 
Schmidt, Fr., on Leperditia, 633; on Lichas, 751; 
Pterygometopus schmidti, 731. 
Schuchert, Charles, 694, 770; Orthodesma schu- 
cherti, 518; Fusispira schucherti, 1076. 
Scofield, W. H., 694, 766, 770; Bathyurus extans, 
722; chapter on the Lower Silurian Gastropoda 
of Minn., 813-1081; Ctenodonta scoflieldi, 594; 
death of, 813; Macronotella scofieldi, 684. 
Seely, H. M.. Seelya, 1011. 
Spring Valley, Minn., Calymmene callicephala, 
700; Encrinurus cristatus, 741; Modiolopsis con- 
centrica, 511. 
Stanton, Minn., Bumastus trentonensis, 721; Iso- 
telus canalis, 707. 
Tyron, on classification of Gastropoda, 817. 
Ulrich, E. O., 694, 770; chapter on the Lower Silu- 
rian Gastropoda of Minn., 813-1081; chapter on 
the Lower Silurian Lamellibranchiata of Minn., 
475-628; chapter on the Lower Silurian Ostracoda 
of Minn., 629-693; Gerasophes ulrichana, 710; on 
Calymmene callicephala, 700; on Dalmanites 
achates, 726; on death of W. H. Scofleld, 813; on 
Hoplolichas robbinsi, 748. 
Upham, Warren, Primitia uphami, 652. 
Walcott, C. D., on Conchopeltis, 8238; on Illenus 
milleri, 720. 
Whiteaves, J. F., on Tryblidium, 825. 
Whitfield, R. P., on Ambonychia attenuata, 495; 
on Isotelus canalis, 705; on Modiolopsis modioli- 
formis, 515; on Plethospira semele, 825, 1010; on 
Whitella ventricosa, 573. 
Winchell, N. H., 694, 760, 823; on Shakopee forma- 
tion, 769, 
Wykoff, Minn., Illenus americanus, 715. 
Zittel, K. A., on classification of Gastropoda, 817; 
Megalodontide, ,576. 
