CONTENTS V 



Lincoln, Frederick C. (See Wetmore, Alexander.) 

 Malloch, J. R. Review of the wasps of the subfamily Pseninae 



of North America (Hymenoptera: Aciileata). No. 2967, pp. Article 

 1-60. October 25, 1933 ^ 26 



New genus: Psenia. 



New subgenera: Pseneo, Mimumesa. 



New species: Diodontus occidentalis, D. sulcatus, Psen (Pseneo) 

 fultnpes, P. (P.) spicatus, P. (P.) angulatus, P. (Psen) unifasci- 

 culatus, P. (Mimumesa) canadensis, P. (M.) bermudensis, P. 

 (Mimesa) polilus, P. (M.) arizonensis, P. (M.) pundifrons, P. 

 (M.) edentatus, P. (M.) impressifrons, P. (M.) pygidialis, Psenia 

 aerofacies, P. albifacies, P. clavicornis, P. longiventris, P. palli- 

 distigma, P. rufibasis, P. marginata, P. texana, P. litloralis, P. 

 atricornis, P. angulicornis, P. minuta. 



New varieties: Psen (Mimumesa) modestus reiiculaius, P. (Mimesa) 

 cressoni atrivenlris, P. (M.) gregarius simplex. 



Marsh, C. Dwight. Synopsis of the calanoid crustaceans, 

 exclusive of the Diaptomidae, found in fresli and brackish 

 waters, chiefly of North America. No. 2959, pp. 1-58. 



June 30, 1933 ' 18 



New family: Senecellidae. 

 Marshall, William B. New fresh-water gastropod moUusks 

 of the genus Chilina of South America. No. 2949, pp. 1-6. 



March 1, 1933' 8 



New species: Chilina bullocki, C. iheringi, C. llanquihuensis, C. 

 simplex, C. neuquenensis. 



and Bowles, Edgar O. New fossil fresh-water 



mollusks from Ecuador. No. 2946, pp. 1-7. December 2, 

 1932' 5 



New genera: Sheppardiconcha, Potamolithoides, Ecuador ea. 

 New species: Sheppardiconcha bibliana, Potamolithoides biblianus, 

 Pomacea bibliana, Ecuadorea bibliana. 



McIntosh, Allen. Description of a tick, Dermacentor halli, 

 from the Texas peccary, with a key to the North American 

 species of Dermacentor. No. 2945, pp. 1-6. October 26, 

 1932 1 4 



Penney, James T. A new fresh-water sponge from South 



Carolina. No. 2965, pp. 1-5. September 8, 1933 ' 24 



New species: Spongilla discoides. 

 PiLSBRY, Henry A. West African snails of the family Achati- 

 nidae in the United States National Museum. No. 2960, 



pp. 1-6. April 28, 1933 ' 19 



New species: Archachatina gaboonensis, A. spectaculum, PseudO' 



trochus leai, P. coffeamontis. 

 New subspecies: Pseudotrochus auripigmentu)n muscarum. 

 New variety: Archachatina gaboonensis lambarenensis . 



' Date of publication. 



