VIII LIST OF PLATES. 



Facing page. 



52. Scorpcena pan nosa 457 



53. New fishes from the Pacific Ocean 457 



54. Astroscopas zephyreus _ 457 



55. New fishes from the Pacific Ocean 457 



56. Specific variations in form of bill in Nesoniimus and CaniarJiynchus . 670 



57. Specific variations in form of bill in Genus Geospiza 670 



58. Fossil Phyllopods 676 



59-60. Cambrian Brachiopoda - - ; 718 



6L Ligula and larval Echeneibothria. 824 



62. PhyllobothriKm, Thysauocejihalum, and Rhynchobothriiimlarvad 824 



63. Rhyuchobotlt rium larvae . . 824 



64. Rhynchobothrium larva?, Rliynclwbothrium lietevospine, Rhyncho- 



botJiriinn imparispine, and Rhy)ichobothvium speciosiim _ 824 



65. Rhynchoboiliri urn speciosum and Rhynchobothrium attenuatitm 824 



66. Otobotlirium dipsacum, Tetrarhynclius larvce, and Tetrarhynchus 



bisulcatum .. 824 



67. Tetrarhynchus erinaceus and TetrarhyncMis elongatus 824 



68. Tetrarh ynchus bicolor and Synbothriivm filicolle 824 



