^^ TABLE OF CONTENTS 



Article 



S 



Greene, Charles T. Synopsis of the North American flies 

 of the genus Scellus. No. 2529, pp. 1-18. September 

 9, 1924^ "_ ^Q 



Hamilton, Clyde C. Studies on the morphology, taxonomy 

 and ecology of the larvae of Holarctic tiger-beetles (family 

 Cicindelidae). No. 2530, pp. 1-87. April 24, 1925 ^ 17 



Hay, Oliver P. Notes on the osteology and dentition of the 

 genera Desmostylus and Cornwallius. No. 2521 pp 1-8 

 Julyl9, 1924^ ' ' g 



Hyman, O. W. Studies on larvae of crabs of the family 



Grapsidae. No. 2523, pp. 1-8. October 6, 1924 ^ 10 



Jordan, David Starr. Description of a recently discovered 

 . sculpin from Nevada regarded as Cottus beldingi. No. 



2519, pp. 1-2. September 12, 1924 1 5 



Malloch, J. R., and W. L. McAtee. Keys to flies of the 

 families Lonchaeidae, Pallopteridae, and Sapromyzidae of 

 the eastern United States, with a list of the species of the 

 District of Columbia region. No. 2525, pp. 1-26 Sep- 

 tember 9, 1924 ^ j2 



New genus: Trypetisoma. 



New species: Palloptera claripennis, P. suhusta, Minettia buchanani, 

 Sapromyzosoma deceptor, S. nudifemur. 



Oldroyd, T. S. The fossils of the Lower San Pedro fauna of 

 the Nob Hill cut, San Pedro, California. No. 2535, pp. 

 1-39. January 16, 1925 1 ' 22 



New species: Acteocina pedroensis, Turbonilla (Strioturbinilla) 

 pecora, T. {Pyrgolampros) collisella, T. (P.) idae, T. (Pyrgiscus) 

 himerta, T. {Mormula) epiphanea, Odostomia {I vara) amava, O. 

 {Chrysallida) gomphina, O. {€.) scelera, O. (Evalea) tersa, 0. (E ) 

 ilhea, O. {E.) manca, O. (E.) civitella, O. (E.) fitella, 0. {Amaura) 

 . menzola, O. {A.) trochilia, O. (A.) sanesia, O. (A.) timessa, 



Epitoyiium conlinuatum, Linularia magna. 

 New subspecies: Marginella jewettii nanella, Alia tuberosa major. 

 PiLSBRY, Henry A. Miocene and Pleistocene Cirripedia from 



Haiti. No. 2515, pp. 1-3. May 10, 1924 » 2 



New species: BalaJius polyporus. 



New subspecies : Balanus concavus eseptatus. 



Ransom, B. H. Hookworms of the genus Uncinaria of the 



dog, fox, and badger. No. 2533, pp. 1-5. July 8, 1924 '.. 20 



Reeside, John B., jr. A new Nautiloid cephalopod Eutre- 

 phoceras sloani, from the Eocene of South Carolina. No. 

 2518, pp. 1-4. May iO, 1924 1 5 



New species : Eutrephoceras sloani. 



• Date of publication. 



