VIII PROCEEDINGS OF THE NATIONAL MUSEUM vol. 78 



Article 



Ulrich, E. O., and Bassler, R. S. Cambrian bivalved Crus- 

 tacea of the order Conchostraca. No. 2847, pp. 1-130. 

 April 13, 1931 ' 4 



New families : Beyrichonidae, Indianidae. 



New genera: Dielymella, Mononotella, Walcoitella. 



New species: Aluta (?) rimulata, Bradoria curia, B. elongata, B. 

 medialis, B. tontoensis, Dielymella appressa, D. brevis, D. dor- 

 salis, D. nasuta, D. recticardinalis, Hipponicharion confluens, 

 H. parvum, H. plicalum, Indiana curta, I. faba, I. impressa, 

 I. labiosa, I. longula, I. matthewi, I. suberecla, Polyphyma mar- 

 ginata, Walcottella apicalis, W. breviuscula, W. concentrica, W. 

 leper ditoides, W. limatula, W. longula, W. nitida, W. oblonga, 

 W. obsoleta, W. pulchella, W. sciiula, W. subtruncata, W. ven- 

 trosa. 



New varieties: Bradoria benepuncia spissa, B. robusta longula, B. 

 vigilans concentrica, Dielymella recticardinalis angustata, Indiana 

 faba intermedia. 



New name: Bradoria subquadrata. 



Webber, R. T. A revision of the North American tachinid 

 flies of the genus Achaetoneura. No. 2853, pp. 1-37. 

 December 10, 1930^ 10 



New species: Achaetoneura anisotae, A. cuculliae, A. euchaetiae, 

 A. dimmocki, A. laniiferae, A. pholi, A. samiae, A. testacea, 

 A. texana, A. westohia. 



' . A new parasitic fly of the genus Chaetoplilepsis. 



No. 2863, pp. 1-^. March 26, 1931 1 20 



New species: Chaetophlepsis orbitalis. 



Wetzel, Rudolf. A new species of trematode worm of the 

 genus Ornithobilharzia from a Canadian goose. No. 2846, 

 pp. 1-4. October 25, 1930 ^ 3 



New species: Ornithobilharzia pricei. 



• . Description of a new species of amidostomine 



worm of the genus Epomidiostomum from the gizzard of 



anserine birds. No. 2864, pp. 1-10. March 19, 1931 ^ 21 



New species: Epomidiostomum or ami. 



Weymouth, A. Allen (see Reeside, John B., jr.) 17 



' Date of publication. 



