TABLE OF CONTENTS VII 



Article 



Marsh, C. Dwight. Distribution and key of the North 

 American copepods of the genus Diaptomus, with the de- 

 scription of a new species. No. 2785, pp. 1-27. June 28, 

 1929' 14 



New species: Diaptomus mexicanus. 



McAtee, W. L., and H. H. Knight (see Knight, H. H.) 13 



Merrill, George P. A newly found meteoric stone re- 

 ported by W. B. Lang from Peck's Spring, Midland County, 

 Texas. No. 2787, pp. 1, 2. May 6, 1929 ' 16 



OcHS, Georg. On some new and interesting species of water 

 beetles of the family Gj^rinidae in the United States Na- 

 tional Museum. No. 2774, pp. 1-6. January 31, 1929 '__ 3 



New species: Aulonogyrus conspicuus. 

 New subspecies: Gyrimis natalor szechuanensis. 

 New forms: Gyrinus orientalis forma politus, G. japonicus forma 

 francki, Gyretes minor forma laevipennis. 



Parker, John Bernard. A generic revision of the fossorial 

 wasps of the tribes Stizini and Bembicini, with notes and 

 descriptions of new species. No. 2776, pp. 1-203. June 7, 

 1929' 5 



New genera: Therapon, Trichosticlia, Editha, Selman, Rubrica. 



New species: Stizus occidentalis, Trichosticlia brunneri, Editha 

 pulcherrima, Selman angustus, Stictia trifasciata, S. sornbrana, 

 S. infracta, Steniolia elegans, Bembix regia, B. fucosa, B. loupata, 

 B. residua, B. recurva, B. levis, B. opinabilis, B. tenuifasciata, B. 

 torosa, B. quinquespinosa, B. ienebrosa, B. stevensoni, B. refus- 

 cata, B, alacris, B. aldabra, B. seculata, B. fumida, B. nigrocor- 

 nuta, B. miserabilis, B. regnata, B. spatulata, B. frioensis, B. 

 fesliva, B. gradilis, B. liberiensis, B. albata, B. comantis, B. fla- 

 volatera, B. agrestis, B. bahiae, B. nubilosa, B. luzonensis, B. 

 nupera, B. gracilens, B. liventis, B. hexaspila, B. spiritalis, B. 

 longipennis, B. laeta, B. bellalrix, B. generosa, B. piraporae, B. 

 incognita, Microbembex bidens, M. tricosa, M. natalis, M. 

 nasuta, M. equalis, Bicyrtes tricolorata, B. quinqueviaculata, B. 

 pullata, B. bradleyi, B. pexa, B. sola. 



New name: Bembix merceti. 



Price, Emmett W. A synopsis of the trematode family 

 Schistosomidae, with descriptions of new genera and species. 

 No. 2789, pp. 1-39. June 28, 1929 ' 18 



New genera: Heterobilharzia, Paraschisiosomatium, Microbilharzia. 

 New species: Heterobilharzia americana, Paraschistosomatium 



anhingae, Microbilharzia chapini. 

 New combinations: Ornithobilharzia macrobilharzia, 0. turkes- 



tanicum, O. bomfordi. 

 New subfamily: Bilharziellinae. 



1 Date of publication. 



