CONTENTS. 



Vage 



No. 1. — New neuropteroid insects. By Nathan Banks. (2 



plates.) March, 1918 1 



No. 2. — Notes ox a collection' of 8urin.\m birds. By Outrani 



Bangs and Thomas E. Penard. April, 191tS . . . 2:{ 



No. 3. — Parasitic Hymenoptera from the British Solomo.v 

 IsL.\NDs collected BY Dr. W. M. Mann. By Charles 

 T. Brues. (1 plate.) May, 1918 9o 



No. 4. — F\)ssiL mammals from Cuba. By Glover M. .\llen. (1 



plate.) May, 1918 131 



No. 5. — The Chilopoda and Diplopoda of the West Indies. By 



Ralph V. Chamberlin. .July, 1918 . . . . .149 



No. 6. — Brittle-st.\rs, new and old. By Hubert Lyman Clark. 



(8 plates.) October, 1918 253 



No. 7. — The ants of the genus Opisthopsis Emery. By Williain 



Morton Wheeler. (3 plates.) November, 1918 . . 339 



No. 8. — Some Medusae and Siphonophorae from the western 

 Atlantic. By Henry B. Bigelow. (8 plates.) Decem- 

 ber, 1918 . 363 



No. 9. — The collection of Amphibia caudat.\ of the Museum of 

 Comparative Zoology. By Emmett R. Dunn. Decem- 

 ber, 1918 443 



No. 10. — Antillean Isoptera. By Nathan Banks. (2 plates.) 



January, 1919 473 



No. 11. — The races of Dendroica vitellina Cory. By Outram 



Bangs. January, 1919 ....... 491 



No. 12. — The Phoridae of Gren.a.da. By Charles T. Brues. Febru- 

 ary, 1919 497 



No. 13. — The American collared lemmings (Dicro.stonyx). By 



Glover M.Allen. (1 plate.) February, 1919 . . . 507 



No. 14. — Notes on the avifauna of Newfoundland. By G. K. 



Noble. March, 1919 541 



No. 15.— Regenerative phenomena following the removal of 

 the digestive tube and the nerve cord of earthworms. 

 ByH. R.Hunt. (1 plate.) April, 1919 . . .569 



