No. 14. — New African rodents. By Glover M. Allen. April, 1912 437 

 No. 15. — Some Cuban Crustacea. By Mary J. Rathbun. With notes 



on the Astacidae by Walter Faxon, and a list of Isopoda, by Harriet 



Richardson. (5 plates). October, 1912 449 



No. 16. — Some birds from the Highlands of Siberia. By Outram 



Bangs. January, 1913 461 



No. 17. — The ants of Cuba. By William Morton Wheeler. May, 



1913 475 



No. 18. — The land mammals of Newfoundland. By Outram Bangs. 



July, 1913 507 



No. 19. — Preliminary descriptions of two new forms of Peripatus from 



Haiti. By Charles T. Brues. August, 1913 517 



No. 20. — A revision of the American species of Ceraurus. By Percy E. 



Raymond and Donald C. Barton. (2 plates). November, 1913 523 

 No. 21. — A new genus of the Cheiruridae, with descriptions of some new 



species. By Donald C. Barton. (1 plate). November., 1913 . . 547 



