168 



AMERICAN JOURNAL 



72. G. crepera, Lea. 

 78. " culta, Lea. 

 74. " decorata, Anth. 

 15. " ellipsoides, Lea. 

 76. " elliptica, Lea. 



II. " expansa, Lea. 



78. " fabalis, ica. 



79. " fallax, Lea. 



80. " fascinans, Lea. 



81. " fumea, Lea. 



82. " fuvva, Lea. 



83. " Gerhardtii, Lea. 



84. " glandaria, Lea. 



85. " gratiosa, Lea. 



86. " harpa, Lea. 



87. " Haysiana, Lea. 



88. " impressa, Lea. 



89. " Iseta, Jti;?/. 



90. " Lewisii, Lea. 



91. " luteola, Lea. 



92. " mellea, Lea. 



93. " negata, Xea. 



94. " oliva, Lea. 



95. " osculata, Lea. 



96. " ovalis, Lea. 



97. " pcrgrata, Lea. 



98. " perstriata, Xea. 



99. " propria, Lea. 



100. " pudica, Lea. 



101. " punicea, Lea. 



102. " pupfeformis, Lea. 



103. " quadricinata, i^a. 



104. " quadrivittata, Lea. 



105. " rara, Lea. 



106. " rubicunda, Lea. 



107. " Shelbyensis, Lea. 



108. " Showalterii, i^a. 



109. " solidula, Lea. 



110. " spurca, Lea. 



III. " strarainea, Lea. 



112. " tecta, AntJi. 



113. " tenera, ^»?7<. 



114. " tenebro-vittata, Lea. 



115. " Vanuxemensis, Lea. 



116. " varians, Lea. 



117. G. variata, Lea. 



118. " Vauxiana, iea. 



119. " virgulata, Lea. 



120. " Wheatleyi, Lea. 



LIOPLAX, Troschel. 



121. L.cyclostomatiformis, Lea. 



LITHASIA, Haldeman. 



122. L. brevis, Lea. 



123. " cylindracea, Lea. 



124. " fusiformis, Lea. 



125. " nuclea, Lea. 



126. " vittata, Lea. 



127. " Wheatleyi, Lea. 



MELANTHO, Bowditch. 



128. M. ponderosa, Sa7/. 



NERITELLA, Humphrey. 



129. N. Showalterii, Lea. 



SCHIZOSTOMA, Lea. 



130. S. Alabamense, Lea. 

 181. " amplum, Anth. 



132. " Anthonyi, Reeve. 



133. " Babylonicum, Lea. 



134. " Buddii, Lea. 



135. " bulbosum, Anth. 

 186. " cariniferum, Anth. 



137. " castaneum, Lea. 



138. " constrictum. Lea. 



139. " demissum, Antli. 



140. " ellipticum, Lea. 



141. " excisum, Lea. 



142. " glandulum. Lea. 



143. " glans. Lea. 



144. " globosum, Aiith. 



145. " incisum, Lea. 



146. " laciniatum. Lea. 



147. " Lewisii, iea.* 



*Manuscript. 



