CONTENTS Vn 



Article 



Malloch, John R. Notes on some acalyptrate flies in the 

 United States National Museum. No. 2858, pp. 1-32. 

 January 10, 1931^ 15 



New genera: Marbenia, Mindanaia. 



New subgenera: Plagiostenopterina (Bakeromyia) , P. (Carolimyia) , 



P. (Stenopterella) . 

 New species: Diastata (Spilochroa) albibasis, D. (S.) peruviana, 



D. (S.) polita, Elassogaster hyalipennis, Euprosopia grahami, 



E. metallica, E. omei, E. semiarmata, Lamprogaster fulvescens, 

 Marbenia peculiaris, Mindanaia latifasciata, Plagiostenopterina 

 (Bakeromyia) armata, P. (B.) discolor, P. (B.) inermis, P. 

 {Carolimyia) diptera, P. (Plagiostenopterina) dubiosa, P. (P.) 

 parva, P. (Stenopterella) trivitiigera, Pseudepicausta attenuata, 

 P. completa. 



Price, Emmett W. Redescription of two species of trematode 

 worms from the MacCalkim collection, with a note on the 

 family Pronocephalidae. No. 2865, pp. 1-10. March 11, 

 1931^ 22 



New subfamilies: Charaxicephalinae, Opisthoporinae. 



Rathbtjn, Mary J. Fossil decapod crustaceans from Mexico. 

 No. 2851, pp. 1-10. November 1, 1930 ' 8 



New genus: Montezumella. 



New species: Calappilia hondoensis, Callianassa tepetaiensis, Lo- 



bonotus mexicanus, Raninoides mexicanus, Montezumella tubu- 



lata, Xanthosia americana. 



Reeside, John B., jr., and Weymouth, A. Allen. Mol- 

 lusks from the Aspen shale (Cretaceous) of southwestern 

 Wyoming. No. 2860, pp. 1-24. February 26, 1931 ^ 17 



New genus: Kanabiceras. 



New species: Acompsoceras americanum, Aphrodina? aspenana, 



Epengonoceras aspenanum, Kanabiceras wyomingense, Mactra? 



aspenana, Periplomya? aspenana, Tancredia? lincolniana, Thra- 



ciaf wyomingensis. 



Shamel, H. Harold. Notes on the American bats of the 



genus Tadarida. No. 2862, pp. 1-27. May 6, 1931 ^ 19 



New species: Tadarida constanzae, T. intermedia. 



Shoemaker, Clarence R. A new species of amphipod crus- 

 tacean (Acanthonotozomatidae) from California, and notes 

 on Eurystheus tenuicornis. No. 2861, pp. 1-8. March 11, 

 1931 1 18 



New species: Panoploea rickettsi. 

 ' Date of publication. 



