46 



BIBLIOGRAPHY 



1891 



66. On the Structure of the Tongue in Humming Birds. Proceedings of the U. S. 



National Museum, XIV, pp. 169-172, pi. iv. 



67. Animals recently Extinct or Threatened with Extermination, as represented 



in the Collections of the U. S. National Museum. Report of the U. S. 

 National Museum for . . . 1889, pp. 609-649, pis. xcv-cv. 



Contains articles on the following animals: European Bison; West Indian Seal; 

 California Sea Elephant; Atlantic and Pacific Walruses; Rytina or Arctic Sea Cow; 

 the Mamo, Drepanis pacifica; California Vulture; Dodo; Solitaire; Labrador Duck; 

 Great Auk; Pallas' Cormorant; Galapagos and Mascarene Tortoises; Tile Fish. 



68. Explorations in Newfoundland and Labrador in 1887, made in Connection with 



the Cruise of the U. S. Fish Commission Schooner Grampus. Report 

 of the U. S. National Museum for . . . 1888-1889, pp. 709-728, pi. cvi. 



69. Some Bird Skeletons from Guadalupe Island. Auk, VIII, pp. 218-222. 



Cited as examples of stages in the degeneration of the shoulder-girdle tending towards 

 loss of flight. 



70. [Review.] Professor Thompson on the Systematic Position of Hesperornis. 



Auk, VIII, pp. 304, 305. 



71. Remarks on a Tortoise from Duncan Island, Galapagos Group. Nature, 



XLIV, No. 1127, pp. 113, 114, June 4, 1891. 



Now known as Testudo elephantopus Harlan. 



1892 



72. Report on Department of Vertebrate Fossils in the U. S. National Museum, 



1891. Report of the U. S. National Museum for . . . 1891, p. 223. 



73. Report on Department of Comparative Anatomy in the U. S. National Museum , 



1891. Report of the U.S. National Museum for . . . 1891, pp. 243, 244. 



74. An Egg of the Great Auk. Auk, IX, p. 198. 



75. Habits of the Herring Gull. Auk, IX, pp. 388, 389. 



76. Up to Date. Auk, IX, p. 395. 



English sparrow. 



77. A Welcome Correction. St. Nicholas, XIX, p. 958, Oct., 1892. 



78. On Carcharodon mortoni Gibbes. Proceedings of the Biological Society of Wash- 



ington, VII, pp. 151, 152. 



1893 



79. Report on Department of Comparative Anatomy in the U. S. National Mu- 



seum, 1892. Report of the U.S. National Museum for . . . 1892, pp. 181- 

 183. 



80. Individual Skeletal Variation. Science, XXII, No. 547, pp. 52, 53, J u l y 28 



