EXPLANATION OF PLATES. 309 



FIGURE. PAGE. 



72-74. Xerophila siderensis Malz. Rossm., .... 181 

 75, 76. Xerophila diensis Malz. Rossm., .... 162 

 77, 78. Xerophila ordunensis Kob. Rossm., . . . 161 



PLATE 41. 



79, 80. Patula strigosa v. binneyi Hemph. Original, . . 116 



81. Patula strigosa v. multicostata Hemph. T. M. V. suppl., 116 



82, 83. Patula strigosa v. gouldi Hemph. T. M. V. suppl., .116 



84. Patula strigosa v. castanea Hemph. T. M. V. suppl., . 116 



85. Pastula strigosa v. castauea Hemph. Original, . .116 



86. 87. Pastula strigosa v. albofasciata Hemph. T. M. v., 



suppl., .......... 116 



88. Patula strigosa v. newcombi Hemph. T. M. v., . .115 



89. Patula strigosa v. wasatchensis Hemph. T. M. v., . .115 



90. Patula strigosa v. wasatchensis Hemph. Original, . . 115 



91. 92. Patula strigosa v. intersum Hemph. Original, . . 117 

 93, 94. Patula strigosa v. jugalis Hemph. Original, . . 117 



95. Patula strigosa v. jugalis Hemph. T. M. v., suppl., . 117 



96. Patula strigosa v. subcariuata Hemph. T. M. v., suppl., 118 



97. 98. Patula strigosa v. buttoni Hemph. T. M. v., suppl., . 117 

 99. Patula strigosa v. lactea Hemph. T. M. v., suppl., . 118 



1, 2. Patula strigosa v. picta Hemph. Original, . . . 118 

 3,4. Patula strigosa v. bicolor Hemph. Original, . . 118 

 5, 6. Patula strigosa v. tragilis Hemph. Original, . .117 



PLATE 42. 



7-9. Patula strigosa v. parma Hemph. Original, . . .117 



10, 11. Patula strigosa v. utahensis Hemph. Original, . 118 



12. Patula strigosa v. gabbiana Hemph. T. M. suppl., . 119 



13. Patula strigosa v. gabbiana Hemph. Original, . . . 119 

 14-16. Trochomorpha zenobia Pfr. Original, . . . 131 

 17-20. Polygyra richardsoni Mts. Biol. Centr. Am., . . 151 

 21-24. Polygyra dissecta Mts. Biol. Centr. Amer., . .151 

 25-28. Ophiogyra quinquelirata Sm. Lin. Soc. J., . . 150 

 29, 30. Xerophila cespkoides Fischer. J. de C., . . .176 

 31, 32. Macrocyloides saparuana Bttg. Ber. Senck., .. . 113 



33. Macrocyloides microcyclis Bttg. Ber. Senck., . . 113 



34, 35. Macrocyloides sericina Bttg. Ber. Senck., . . 114 



PLATE 43. 



36-39. Plectopylis villedaryi Anc. Original. . . . 157 



40-42. Plectopylis phlyaria Mab. Bull. Soc. Fr., . . 158 



43. Gonostoma blanci Poll. Atti, etc., 150 



44-46. Trochomorpha subnigritella Bedd. P. Z. S., . 



47-49. Gonostoma annai Palad. Original, . . . . 148 



