58 BULLETIN 51, UNITED STATES NATIONAL MUSEUM. 



P. 470. List of fishes collected in Iowa and Missouri in August, 1884, 

 with descriptions of three new species. By David S. Jordan 

 and Seth E. Meek. 



pp. 1-17. 



P. 471. On (Estrelata fisheri and CE. defilippiana. By Robert Eidg- 

 way. 



pp. 17-18. 



P. 472. Tctirus cuaullatus Swainson, and its geographical variations. 

 By Robert Ridgway. 



pp. 18-19. 



P. 473. Passer saturaims, a new species of tree-sparrow from the Liu- 

 Kiu Islands, Japan. By Leonhard Stejneger. 



pp. 19-20. 



P. 474. Description of a new species of Contopios from tropical 

 America. By Robert Ridgway. 



p. 21. 



P. 475. Note on the Anser leucojpwreius of Brandt. By Robert Ridg- 

 way. 



pp. 21-22. 



P. 476. Description of a new warbler from Yucatan. By Robert 

 Ridgway. 



p. 23. 



P. 477. Description of two new birds from Costa Rica. By Robert 

 Ridgway. 



pp. 23-24. 



P. 478. Description of three supposed new honey creepers from the 

 Lesser Antilles, with a synopsis of the species of the genus 

 Certhiola. By Robert Ridgway. 



pp. 25-30. 



P. 479. On hornblende andesites from the new volcano on Bogosloff 

 Island in Bering Sea. By George P. Merrill. 



pp. 31-33. 



P. 480. On Catha/rtes Imrrovianus Cassin, and 0. untbitinga Pelzeln. 

 By Robert Ridgway. 



pp. 34-36. 



P. 481. On Onychotes grvberi. By Robert Ridgway. 



pp. 36-38. 



P. 482. Notes and descriptions taken from selachians in the U. S. 

 National Museum. By S. Garman. 



pp. 39^4. 



P. 483. A review of the American species of flying fishes {Exocmtus). 

 By David S. Jordan and Seth E. Meek. 



pp. 44-67. 



P. 484. Notes on skeletons of Etheostomatinse. By David S. Jordan 

 and Carl H. Eigenmann. 



pp. 68-72. 



