Vlll 



THE NAUTILUS. 



Urocoptis ischna Pils. ....... 105 



Urocoptis livida Torre, n. sp. (PI. VI, figs. 21, 22) . . 56 

 Urocoptis livida occulta Torre, n. subsp. (PI. VI, fig. 23). 56 

 Urocoptis longa Pils. &Hend., n. sp. (PI. VIII, figs. 9, 10) 128 

 Urocoptis pallida Torre, n. sp. (PI. VI, figs. 18, 19, 20) . 57 

 Urocoptis parallela Torre, n. sp. (PI. VI, figs. 4, 5) . . 67 

 Urocoptis philippiana Pfr. ...... 104 



Urocoptis pruinosa Mor. . . . . . .112 



Urocoptis scaeva Gund. ....... 104 



Urocoptis stricta Torre, n, sp. (PI. VI, figs. 16, 17) . 66 



Viviparus contectoides in Philadelphia . . . .84 



Viviparus walkeri Pils. and Johns, n. sp. (PI. Ill, figs. 6, 7) 48 

 White, Jannes Johnson (obituary) . . . .35 



INDEX TO AUTHORS. 



Baker, H. B. . 



Baker, F. C. . 



Barret, Wm. T. 



Berry, S. S. . 



Clapp, Geo. H. 



Clapp, W. F. . 



Cockerell, T. D. A. . 



Dall, W. H. . 



Daniels, L. E. . 



Edson (Harry), Henry M 



Frierson, L. S. 



Gaines, Marshall R. 



Hanham, A. W. 



Hedley, C. 



Henderson, Jr., John B 



Henderson, Junius . 



Hinkley, A. A. 



Johnson, C. W. 



Long, Bayard . 



Ortmann, A. E. 



Pilsbry, H. A., 1. 11, 29, 42, 45, 48, 60 



Presbrey, Eugene W 

 Preston, H. B. 

 Roberts, S. Raymond 

 Sampson, F. A. 

 Smith, H. H. . 

 Smith, Maxwell 

 Sterki, V. 

 Torre, Carlos de la 

 Vanatta, E. G. 

 Wheeler, H. E. 

 Winkley, H. W. 



. 3 



115, 120 



. 61 



. 130 



. 120 



24, 116 



69, 70. 144 



58. 108, 132. 143 



. 38 



37, 49 



22. 23, 141 



. 34 



83, 133 



45, 85 



2, 42, 109 



9, 80, 84 



36, 47 



48, 59, 120 



. 27 



13, 51 



72, 79, 84, 88, 109, 



114, 125. 144 



. 121 



35, 70 



. 97 



. 90 



4 



25, 74 



6, 64, 95, 117, 136 



55, 66 



2, 16, 31, 69, 84, 96 



14, 99, 111 



54, 73. 144 



