PLATE V. 

 [Bnlletm No. 29, United States National Museum.] 



Fig. 1. CyclorrTiynchus psittaculus, 9 ad., summer. U. S. Nat. Mns. No. 89095 ; Bering 

 Island, July 11, 1882. For explanation of letters see p. 41. 



Fig. 2. Simorhynckus cristatellus, $ ad., summer. U.S. Nat. Mus. No. 92954; Bering 

 Island, June 4, 1883. Month opened to show the outline of the rictus. 



Fig. 3. Simorhynchns pygmwus, g ad., winter. U. S. Nat. Mus. No. 92960 ; Bering Isl- 

 and, December 29, 1882. Head seen from behind to show the position of 

 the lateral crests. ' 



Fig. 4. Simorhynckus jyygmanis, g ad., winter. U. S. Nat. Mus. No. 92970; Bering Isl- 

 and, January 16, 1883. Mouth open for comparison with Fig 2. 



Fig. 5. Simorhyyichus 2}usiUns, $ ad., winter. U.S.Nat. Mus. No. 92980 ; Bering Isl- 

 and, December 30, 1882. Bill from above. 



Fig. 6. Synthliioramphus antiquus, $ ad. U. S. Nat. Mus. No. 92985 ; Bering Island, 

 January 3, 1883. 



Fig. 7. Same specimen. Bill from above. 



