LIST OF ILLUSTRATIONS xi 



:{(>. Marbled Murrelet 15 



37. Pigeon Guillemot, head .10 



38. California Murre . IT 



39. Long-tailed Jaeger, head . 19 



40. Herring Gull, bill . . . 19 



41. Forster Tern, bill ... .19 



42. Heermann Gull .......... 24 



43. Franklin Gull, head ......... 25 



44. Franklin Gull, wing tip ... .... 26 



45. 'Bonaparte Gull, wing tip . ... 26 



46. Sabine Gull, biU 27 



47. Sabine Gull ... 27 



48. Caspian Tern, head ......... 28 



49. Least Tern . 30 



50. Black Tern . . .31 



51. Sooty Albatross, bill ... 32 



52. Black-footed Albatross, bill .... 32 



53. Sooty Albatross, bill .33 



54. Forked-tailed Petrel, bill . . . 33 



55. Slender-billed Fulmar, bill ...... .33 



56. Giant Fulmar, bill 84 



57. Slender-biUed Fulmar, bill ... . . 34 



58. Kaeding Petrel ....... ... 37 



59. White Pelican, bill . . . .42 



60. Man-o'-AVar Bird, bill .... .43 



61. Merganser, bill . . ... 44 



62. Mallard, bill . 44 



63. Red-breasted Merganser, head ... . .46 



64. Hooded Merganser, head ... .47 



65. Mallard, head . . .48 



66. Baldpate, head . . 50 



67. Green-winged Teal, head .... . 51 



68. Blue-winged Teal, head 52 



69. Cinnamon Teal, head . . 53 



70. Pintail, head ... .54 



71. Wood Duck, head . . .... 55 



72. Redhead, head . 56 



73. Canvas-back, head ......... 57 



74. Scaup Duck, head .... 58 



75. Golden-eye, head ......... 59 



76. Buffle-head, head . . 60 



77. Old-squaw, head . . . . 61 



78. Harlequin Duck, head ... .62 



79. White-winged Scoter, head ..... 63 



80. Ruddy Duck, head . . ... 64 



