TABLE OF CONTENTS. IX 



Page. 



Snodgrass, Robert Evans. The Thorax of Insects and 

 the Articulation of the Wings.— No. 1687. June 18, 



1909" 511-595 



Snyder, John Otterbein. Descriptions of New Genera 

 and Species of Fishes from Japan and the Riu Kiu 



Islands.— No. 1688. June 18, 1909".. 597-610 



New genera: Expedio, Inu. 



New species: Siphostoma yosM, Ichthyocampus nox, Microphis ocel- 

 laius, Apogonichthys nafiv, Ahudcfdnfrichardsoni, A. rex, Callyodon 

 boirersi, C. adema, Dactyloptena gilbcrti, Zonogobius boreiis, Expedio 

 parvulus, Inu koma, I. ama, TruUa itina. 



. See under Jordan, David Starr 425-430 



Springer, Frank. A New American Jurassic Crinoid. — 



No. 1664. March 3, 1909 « 179-190 



New species: Isocrinus hiighti. 

 Stejxeger, Leonhard. Description of a New Snake from 



Panama.— No. 1681. May 27, 1909 « 457-458 



New species: Mesopeltis longifrenis. 



Weed, Alfred C. See under Bean, Barton A 459-461 



. See under Bean, Barton A 677-680 



Wilson, Charles Branch. Dragonflies of the Mississippi 



Valley collected during the Pearl Mussel Investigations 



on the Mississippi River, July and August, 1907. — No. 



1692. June 19, 1909 « 653-671 



a Date of publication. 



