Vr TABLE OF CONTENTS. 



Hansen, H. J. The Euphausiacean crustaceans of the 



"Albatross" Expedition to the Philippines. No 2129. page. 

 January 14, 1916 ^ 635-654 



New species: Euphausiafallax, Nematoscelis lobata. 



Hat, Oliver P. A contribution to the knowledge of the 

 extinct Sirenian Desmostylus hesperus Marsh. No. 2113. 

 August 31, 1915 1 381-397 



New family: Desmostylidse. 



HiNKLEY, Anson A. New fresh-water shells from the Ozark 



Mountains. No. 2126. December 23, 1915 ^ 587-589 



New species: Anculosa arkansensis, Pyrgulopsis ozarkensis, Soma- 

 togyrus crassilabris. 



HoLLisTER, N. The genera and subgenera of raccoons and 



their allies. No. 2100. August 13, 1915 ^ 143-150 



New genus: Nasuella. 



Kennedy, Clarence Hamilton. Notes on the life history 

 and ecology of the dragonfhes (Odonata) of Washington 

 and Oregon. No. 2107. July 28, 1915 ^ 259-345 



New species: Argia emma. 



Malloch, J. R. Flies of the genus Agromyza, related to 



Agromyza virens. No. 2097. July 24, 1915 ^ 103-108 



New species: Agromyza riparia, A. subvirens, A. gibsorii, A. eupa- 

 toriae, A. coniceps. 



— Notes on the fhes of the genus Pseudodinia, with 



description of a new species. No. 2101. July 16, 1915 ^. 151-152 

 New species: Pseudodinia polita. 



Marsh, C. Dwight. A new crustacean, Diaptomus vir- 

 giniensis, and a description of Diaptomus tyrelU Poppe. 

 No. 2117. December 11, 1915^ 457-462 



New species: Diaptomus virginiensis. 



Marshall, William B. Three new species of Anodontites 



from Brazil. No. 2122. December 11, 1915 ^ 527-529 



New species: Anodontites salmonea, A. darochai, A. aurora. 



Merrill, George P. Notes on the composition and struc- 

 ture of the Indarch, Russia, meteoric stone. No. 2098. 

 July 24, 1915* 109-112 



1 Date of publication. 



