XII LIST OF ILLUSTRATIONS. 



Page. 



Fig. 42. Proteonina dittlugiformis, var. lagenarium. X 75 42 



43. Proteonina ovata. X 50. a, front view; b, apertural view 43 



44-46. Pilulina ovata. 44, a, side view of one of the small specimens, X 20; 

 b, same from the apertural end. 45, a large specimen from the 



side. X12. 46, a portion of the wall by transmitted light. X100. 44 



47-49. . Pelosina rotundata. X 20 (after Brady) . 48, transverse section 46 



50-51. Pelosina cylindrica. X10 46 



52. Pelosina variabilis. X 20 (after Flint) 47 



53. Technitella legumen. X 50 48 



54. Technitella melo. X 50 (after Brady), a, side view; b, apertural 



view 48 



55. Tholosina bulla. X 15. a, from above; b, from side 49 



56. Webbinella hemispheerica, attached to a fragment of shell, X 50. 



a, from side; b, from above 51 



57. Ammosph;croides distoma. X 50. a, apertural view; 6, from side. 52 



58. Verrucina rudis. X 10. a, side view; b, viewed from above 53 



59. Crithionina rugosa. X 20 54 



60-62. Crithionina lens. 60, surface view. X 15. 61, vertical section. 



X 20. 62, horizontal section. X 20 55 



63. Crithionina pisum, var. hispida. X 15 (after Flint), a, b, sections. 56 



64-65. Crithionina rotundata. 64, portion of central chamber wall. X 25. 

 65, view of sectional specimen showing thick wall and radial 



tubes. X 10 57 



66. Thurammina papillata. X 30 (after Brady) 58 



67-72. Thurammina albicans. 67-70, side views. X 50. 71, section show- 

 ing thickness of wall and character of the interior. X 50. 72, sec- 

 tionoftestshowingminutestructure. X 100. (Figs, after Brady). 59 



73-74. Hyperammina elongata. 73, test of comparatively large sand 

 grains, from shallow water. X 15. 74, test of fine material from 

 deeper water. X 12 60 



75. Hyperammina elongata, var. kevigata. Specimen from Albatross 



station D4979, off Japan. X 40 61 



76. Hyperammina friabilis. Specimen with the upper portion of the 



tube broken away. X 50 62 



77-79. Hyperammina maxima. X 2. From photograph 63 



80. Hyperammina subnodosa, from the Okhotsk Sea. X 10. a, side 



view ; b, section of a portion of the chamber laid open 64 



81. Saccorhiza ramosa. X 100 65 



82-83. Saccorhiza calcilega. 82, specimen showing proloculum. X 115. 



83, specimen showing apertural portion. X 60. (After Rhum- 

 bler) 66 



84. Tolypammina vagans. X 10. From photograph 66 



85. Tolypammina vagans. X 15 (after Brady). Proloculum of speci- 



men shown in figure just above the middle 67 



86-87. Ammolagena clavata. X 12. 86, two specimens attached to the sur- 

 face of a specimen of Rhabdammina. 87, two specimens attached 

 to a coiled arenaceous test. All megalospheric specimens 68 



88. Ammolagena clavata. X 50. Specimen attached, portion of prolo- 



culum broken away. Microspheric specimen with small prolo- 

 culum and comparatively long tubular portion 69 



89. Ammolagena clavata. X 15. From photograph. Microspheric 



megalospheric specimen attached side by side 69 



90-91. Jaculella acuta. X 12 (after Brady) 70 



