288 REFERENCE TO PLATES. 



FIGURES. PAGE. 



37. Canidea. Jour, de Conch., t. 12, f. 3, 1876 101 



38. Clea. Jour, de Conch., t, 12, f. 4, 1876 101 



39. Cominella limbosa 101 



Plate 28. 



40. Buccinofusus parilis, Conr. Tert. Foss., t, 49, f. 5 48 



41. 42. Peistochilus Scarborough!, Meek and Hayden. Geol. Survey, ix, 



t. 32, f, 4 a, b 47 



43. Exilifusus Kerri, Gabb. Proc. Phil. Acad., t. 17, f. 1, 1876 49 



44. Exilia pergracilis, Conr. Jour. Phil. Acad., 2d ser., iv, t. 47, f. 34. 49 



45. Exilifusus, thalloides (= Exilia), Conr. Tert. Foss., t. 18, f. 12.... 49 



46. Turrispira salebrosa, Conr. Tert. Foss., t. 18, f, 13 49 



47. Priscofusus geniculus, Conr. Geol. Wilkes' Exped., t. 20, f. 3. 49 



48. 49. Serrifusus Dakotensis, Meek and Hayden. Geol. Surv., ix, t. 32, 



f . 6 a, b 49 



Plate 29. 



50. Terebrispira elegans, Eminons. Geol. N. Car., f. 114 50 



51. Mesorhytis gracilenta, Meek. Pal. Hayden's Surv., ix, 364, f. 45... 50 



52. Cryptorhytis Cheyennensis, Meek and Hayden. Ibid., 1. 19, f. 13 b. 50 



53. Lirosoma sulcosa, Conr. Am. Jour. Conch., iii, t. 23, f. 3 50 



54. Fasciolina Woodii, Gabb. Jour. Philad. Acad., 2d ser., iv, t. 67, f. 7. 50 



55. Bulbifusus inauratus, Conr. Tert. Foss., t. 18, f. 2 102 



56. Cornulina armigera, Conr. Ibid., t. 15, f. 1 102 



57. Leistoma bulbiformis, Lam. Swain's Malacol., 308, f. 75 102 



58. Fusispira ventricosa, Hall. 24th Rep. N. Y., t. 8, f. 6 102 



59. Closteriscus tenuilineatus, Meek. Pal. Hayden's Surv., ix, t. 19, 



f. 10 b 103 



60: Palajtractus crassus, Gabb. Pal. Calif., ii, t. 26, f. 26 103 



61. Pyrifusus subdensatus, Conr. Jour. Phil. Acad., 2d ser., iii, t. ;!.">, 



f. 12 103 



Plate 30. 



62. Pyrifusus (Neptunella) Newberryi, Meek and Hayden. Survey, ix, 



t. 31, f. 6 b .... 103 



63. Hercorhyncus Tippana, Conr. Jour. Phil. Acad., 2d ser., iv, t. 46, 



f. 41 , 103 



64.. Lirofusus thoracicus, Conr. Tert. Foss., t. 18, f. 6 103 



65. Strepsidura costata, Swains. Eneyc. Meth., t. 428, f. 2 103 



66. Papillina papillatus, Conr. Tert. Foss., t. 18, f. 3 103 



67. Perissolax brevirostris, Gabb. Pal. Calif., ii, t. 18, f. 48 104 



68. Levifusus trabeatus, Conr. Tert. Foss., t. 18, f. 1 104 



69. Tortifusus curvirostra, Conr. Am. Jour. Conch., iii, t. 19, f. 1 104 



70. Pyropsis perlata, Conr. Jour. Phil. Acad. 2d ser., iv, t. 46, f. 39.... 104 



71. Clavifusus Cooperi, Conr. Tert. Foss., t. 18, f. 15 104 



72. Clavifusus altilis, Conr. Ibid., t, 18, f. 16 104 



Plate 31, 



73. Cantharulus Vaughani, Meek and Hayden. Survey, ix, t. 32, f. 5 b. 104 



74. Metulella fusiformis, Gabb. Proc. Phil. Acad., t. 11, f. 3, 1872 104 



75. Agasoma gravida, Gabb. Pal. Calif., ii, t. 1, f. 6 105 



76. Agasoma sinuata, Gabb. Ibid., t. 1, f. 7 105 



77. Erypachia perforate, Gabb. Ibid., i, t. 18, f. 39 105 



