1915] on Beauty, Design and Purpose in the Foraminifera 485 



42. Vaginulina margaritifera — (Batsch). 



43. Frondicularia alata — d'Orhigny. 



44. Cristellaria costata— (Fic/tfeZ and Moll). 



45. Cristellaria tricarinella — Renss. 



46. Polymorphina regina — Brady, Parker and Jones. 



47. Polymorphina rotundata — d'Orhigny — fistulose and adherent. 



48. Globigerina cretacea — d'Orhigny. 



49. Orbulina universa — d'Orhigny — with contained Globigerina. 



50. Discorbina vesicnlaris — {Lamarck). 



51. Pulvinulina pauperata — Parker arid Jones. 



52. Polystomella crispa — (Linne). 



53. Polystomella macella — {Fichtel and Moll). 



54. Gromia oviformis — Dujardin — newly emerged from mud. 



55. The same, half an hour later. 



56. The same, after climbing up alga stems. 



57. The same, lost among algae and attracted into light circle. 



58. Miliolina durrandii— il/iZZt^^^ — with ingested Foraminifera, etc. 



59. Nummulites laevigata— i(a7?iarc^- — megalospheric. 



60. The same, microsphaeric. 



61. Polystomella crispa — Linni. Micro- and megalo-spheric decalcified 



bodies (after Lister). 



62. Biloculina buUoides — d'Orhigny. 



63. The same. Skiagraph. 



64. Operculina complanata, var. granulosa — Leymerie. 



65. The same. Skiagraph. 



66. Cyclammina cancellata — Brady. 



67. The same. Skiagraph. 



68. Jaculella obtusa — Brady ; and Botellina labyrinthica — Brady. 



69. The same. Skiagraph, 



70. Haplophragmium agglutinans — {d'Orhigny) — with gems and magnetite. 



71. Verneuilina polystropha — Eez^ss— with topaz and garnet. 



72. Tubes of the Caddis-worm. 



73. Amphictene auricoma— normal. 



74. The same, built of sponge-spicules. 



75. Psammosphaera fusca — Schulze. 



76. Psammosphaera fusca, var. testacea — Flint. 



77. Psammosphaera parva — Flint. 



78. Psammosphaera rnstica.— Heron- Alle7i and Earland. 



79. The same. Associated specimens. 



80. The same. Detail of construction. 



81. Crithionina pisum — Goes. 



82. Ditto, var. hispida — Flint. 



83. Haliphysema ramulosa — Bowerbank. 



84. Hyperammina ramosa — Brady. 



85. The same. Arranged as a Christmas Greeting. 



86. Marsipella cylindrica — Brady. 



87. The same. Aperture protected by sponge-spicules. 



88. Marsipella spiralis — Heron-Allen and Earland. 



89. The same, by transmitted light. 



90. The same. Detail of construction. 



91. Technitella legumen — Norman. 



92. The same. Diagrammatic. 



93. The same. Detail of construction. 



94. Technitella thompsoni — Heron-Allen and Earland. 



[E. H.-A.] 



