LIST OF ILLUSTRATIONS. 



PLATES. 



Facing page. 



1-24. New West coast mollusks of the family Turritidac 86 



25. A new foraminifer commensal on Cydammma 102 



26-28. Mammalian and fish remains from Florida 112 



29. Carapace of Neurankylus wyomingensis 132 



30. Plastron of Neuranhylus wyomingensis 132 



31. Carapace of Baena antiqua 132 



32. Plastron of Baena antiqua 132 



33 . Carapace of Boremys albertensis 132 



34. Plastron of Boremys albertensis 132 



35. Shell of Agomphus alahamensis 132 



36. Carapace and plastron of Echmatemys megaulax 132 



37. Carapace of Aspideretcs latus 132 



38-41. ForewiBgs of female parasitic chalcidoid flies 194 



42-52. The brachiopod genus Platystrophia 448 



53. Fig. 1. Penguin, Spheniscus humboldli Meyen, from Ballestas Islands, June, 



1907. Fig. 2. Albatross, Diomedia irrorata Salvin, taken near Lobos 

 de Tierra Island, January, 1908. Fig. 3. Nestlings of turkey vulture, 

 Cathartes aura, Lobos de Tierra Island, December 14, 1907 512 



54. Nesting place of Inca tern, Larosterna inca (Lesson) on Asia Island, August 



25, 1908 512 



55. Dominican gulls, Larus dominicanus Lichtenstein, Lobos de Tierra Island, 



April 2, 1907 512 



56. Nesting place of Dominican gull, Larus dominicanus Lichtenstein, Lobos 



de Tierra Island, January, 1908. Nest of Sula nebouxi near foreground. 

 Fig. 2. Young piqueros, S^da variegata (Tschudi), Lobos de Afuera 

 Island, March 25, 1907 512 



57. Adult and nesting piqueros, Sula vvriegata (Tschudi), Lobos de Afuera, 



March 22, 1907 512 



58. Nesting place of piqueros, Sula variegata (Tschudi), Guanape Island, 



March 5, 1907 512 



59. Nesting place of piquero, Sula variigata (Tschudi), Chincha Islands, June 



12, 1908 512 



60. Fig. 1. Showing nesting habit of Sula nebouxi at Lobos de Tierra Island, 



January, 1908. Adult birds. Fig. 2. Nests of Sula nebouxi Milne- 

 "Edwards, Lobos de Tierra Island, April 2, 1907 512 



61. Guanays, Phalacrocorax bougainvillei (Lesson), at nesting ground on C^hincha 



South Island, June 15, 1907 512 



62. Guanays, Chincha South Island, July 12, 1907 512 



63. Fig. 1. Young pelicans at nesting ground on islet off north end of East 



Island of Lobos de Afuera group, March 28, 1907. Fig. 2. Nests of 

 guanay, Phalacrocorax bougainvillei, South Island of Chinchas, July 

 12, 1908 512 



64. Nesting place of cuervo de mar, Phalacrocorax vigua (Viellot), Lobos de 



Tierra Island, December 14, 1907 512 



65. Figs. 1 and 2. Nests of patillo, Phalacrocorax gaimardi (Garnot), North 



Island of Chinchas, June 7, 1907 512 



IX 



