EEPORT OF THE SECRETARY: NATIONAL MUSEUM 137 



No. 2959. Synopsis of the calanoid crustaceans, exclusive of the Diaptomidae, 

 found in fresh and brackish waters, chiefly of North America. By C. 

 Dwight Marsh. 



Art. 18, pp. 1-58, pis. 1-24. 



No. 29G0. West African snails of the family Achatinidae in the United States 

 National Museum. By Henry A. Pilsbry. 

 Art. 19, pp. 1-6, pis. 1, 2. 



No. 2961. Descriptions of new and imperfectly known species and genera of 

 gobioid and pleuronectid fishes in the United States National Museum. 

 By Isaac Ginsburg. 



Art. 20, pp. 1-23, 3 figs. 



No. 2962. Crossochir koelzi: A new California surf-fish of the family Embioto- 

 cidae. By Carl L. Hubbs. 

 Art. 21, pp. l-«, pi. 1. 



No. 29G3. Pottery of the Hopewell type from Louisiana. By Frank M. Setzler 



Art. 22, pp. 1-21, 6 figs., pis. l-T. 



