42 



INDEX. 



NAVICXTLA. 



lata, xxiii. 26. '11. 

 latisshna, xvii, 24, _">. 

 leptostigma, xxiv, 14. 

 Lewisiana, 2. 



liber, xxiii, 5, 11. 

 linearis, xix. 6. 

 littoralis. x. 11, 12. 

 longa, xii, 23, 24. 

 lyra, xvi, 6, 9, 14, 26. 

 muculata. xvii, 1; cxi, 1, 2. 

 marginata, xi, 16; xxiii. 2; 



cxi, 7. 



marginulata, xi, 10. 

 marina, xiv, 7, 23. 

 mesogongyla. xxv. 1. 

 niesolepta, xx, 3, 13, 14, 16. 

 Moesta, xix, 26. 

 Mormonorum, xix, 7. 

 multicostata, xv, 2. 

 niusctefonnis, xii, 7. 

 iiitesrens. xiv, 8. 22. 

 nobilis, xiii. 2. 4, 6. 

 nodosa, xix, 14. 

 nodulosa, xxiv, 16. 

 iiotabilis, x, 49. 

 Miimmularia, ix, 40, 4:5; x, 41, 



42, 44. 



oblonga, xx i, 10. 

 obtusa, xx, 19, 20. 

 oculata, x, 3r>. 

 Oregon eca, xi, 15. 

 ornata, xv, 20. 

 oscitans, xvii, 7. 

 palpebralis, x, 6, 16. 

 pandura, xv, 5. 

 papula, ix, 41. 

 parca, x, 5. 

 parva, x, :'.. 

 Pelagi, xiv. Hi. 

 pellioulosa, ix, 31. 

 peniiata, xiv, 9, 10. 

 Pensaeola, xi, 9. 

 peregrina, xii, 20, 22. 

 permagna, xi, 2; xvii, .'5,4. 

 placentula, ix, 3o. 

 polj^sticta, ix, 28. 

 polyonea, xi. 17; xxiv, 13; 



Ixiii, 2. 



Powelli, xi, 4. 

 praestes, xix, 28. 

 prcstiophora, xxiii, 1. 

 pretcxta, xx, 1, 7; cxi, :'.. 



NAVICUI^A. 



prisra, xv, 6, 13. 

 probabilis, xix, 1. 

 prodncta, " 3, 12, 15. 

 puelia, xv, 10, 16, 18. 

 pumila, xxiv, 15. 

 papula, xxiii, 19, 20. 

 pusilla, x, is, 19. 

 pygma-a, xvi, 12. 

 quiiKjuenodis, x, 8, 9. 

 radiosa, xxi, 6, 7. 

 rectangulata, ix, 36. 

 Reinhardtii, xxiii, 17. 

 retusa, xvii, 16, 17. 

 rhombica. xxi\. 17, is. 

 rhonilioides, xvii, 9, 10; xxii, 



21. 



rhyncocephela, ix, 34; x, 21. 

 Robertsiana, xvi, 8. 

 salva, xii, 9. 

 saugeri, x, 43. 

 Srlmiidtiana, xii, 19, 21. 

 Schultzei, xxiv, 5. 

 Schumanniana, xxii, 14. 

 scintillans, xvi, 22. 

 s'-oliopleura, xii, 27. 

 sculpta, ix. 44, 45. 

 sejuncta, x. 24. 

 semen, xx, 21. 

 separabilis, xix, 27. 

 serians, x. 

 serratula, xiv, 5. 

 Smithii, xii, 11; xiv, 12; 



XX, S. 



signia, xxiv, 10, 11. 

 simulans, xxiii, 4. 

 Silliiiianoriini, xi, 1; xxiii, 



12. 



singular}*, xx, 2. 18. 

 Solaris, xvii, 6. 

 spectabilis, xvi, 3. 

 sphaesophora, xvii, 13. 

 s|)lcndida. xii. 5 ; xv, 14. 

 Stauntonii, xxv, 13, 14, 15. 

 stauroneiformis, xxv, 10. 

 stauroneis, xx. 4. 

 subinflata, xxii, 11. 

 suborbicularis, x, 37. 

 subnuda, xii, 2. 

 suspecta, " 26. 

 tabellaria, x, 2s ; xii, 1; xx, 



12, 17; xxi, 5. 

 teiiella, xxii, 15, 16. 



