XII LIST OF ILLUSTRATIONS. 



Tage. 

 Fig. 111. Gaudryina pseudofiliformis. X 60. a, front view; ft, end view, 



showing outline and ridge above the aperture 70 



112-114. Tritaxilinacaperata. X 16. 112, «, apertural view. 114, specimen 



cut longitudinally showing labyrinthic interior (after Brady). .. 71 



115-117. Clavulina communis. X 30. 115, young specimen with but two 

 of the second series of chambers developed. 116, a, front view 

 of medium-sized specimen; ft, end view of the same. 117, adult 

 specimen in front view 73 



118-119. Clavulina bradyi. X 30. 118, a, end view, without tooth, b, 

 front view of typical specimen; 119, front view of a peculiarly 

 roughened specimen 74 



120-122. Clavulina angularis. X 35. 122, a, front view; b, apertural view 



(after Brady) 75 



123-124. Clavulina parisiensis. X 30. 123, a, apertural view; b, front view 



(after Brady) 75 



125. Bulimina ovata. X 40. a, front view; b, end view; c, view show- 



ing aperture 77 



126. Bulimina pyrula. X 60. a, side view; ft, view showing aperture; 



c, end view 78 



127. Bulimina pyrula. X 75. Details of the aperture 78 



128. Bulimina pyrula, var. spinescens. X 80. a, front view; ft, end 



view ; c, side view 79 



129. Bulimina pyrula, var. spinescens. X 175. Young specimen, 



outlines of first five chambers 79 



130. Bulimina affinis. X 50 (after Brady) 79 



131. Bulimina elongata. a, ventral view; ft, dorsal view; c, end view. 



X 60; d, view of apertural region. X 120 80 



132. Bulimina pupoides. X 40. a, dorsal view; ft, end view; c, ven- 



tral view 81 



133. Bulimina torta. X 60. a, dorsal view; ft, ventral view; c, end 



view 81 



134. Bulimina elegans. X 60. a, apertural "view; ft, ventral view; c, 



dorsal view 82 



135. Bulimina elegans, var. exilis. X 60. a, apertural view; ft, side 



view; c, front view (after Brady) 82 



136. Bulimina marginata. X 150. a, front view; ft, apertural view. . . 83 



137. Bulimina inflata. X 60. a, front view; ft, apertural view 84 



138. Bulimina buchiana. X 150. a, front view; ft, apertural view .. . 85 



139. Bulimina aculeata. X 75. a, front view; ft, apertural view 87 



140. Bulimina rostrata. X 150. a, front view; ft, apertural view 87 



141. Bulimina subornata. X 80. a, front view; ft, side view (after 



Brady) 88 



142. Buliminella subteres. X 80. a. apertural view; ft, side view 89 



143. Buliminella contraria. X 60. a, dorsal view; ft, ventral view; c. 



peripheral view (after Brady) 90 



144. Buhminoides williamsoniana. X 60. a, apertural view; ft, front 



view 91 



145. Virgulina squamosa, modified from the original; a, apertural view, 



ft, front view 92 



146. Virgulina subsquamosa. X 120. a, front view; 6, side view; 



c, apertural view 92 



147. Virgulina subdepressa. X 50. a, apertural view; ft, front view. . 93 



148. Virgulina schreibersiana. X 60. a, apertural view; 6, front view 94 



149. Virgulina texturata. X 35. a, front view; ft, apertural view.... 95 



