TABLE OF CONTENTS 



Article 



Aldrich, J. M. a revision of the American parasitic flies 

 belonging to the genus Belvosia. No. 2729, pp. 1-45. 

 May 17, 1928^ 8 



New species: Belvosia manni, B. australis, B. semiflava, B. mexi- 

 cana, B. wiedemanni, B. omissa, B. ciliata, B. vittata, B. fron- 

 talis, B. elusa, B. borealis, B. argentifrons, B. townsendi, B. 

 nigrifrons, B. lata, B. smithi, B. spinicoxa, B. williamsi, B. 

 canalis. 



New varieties: Belvosia recticornis var. ruficornis, B. ciliata var. 

 formosa. 



Bailey, John Wendell. A revision of the Hzards of the 

 genus Ctenosaura. No. 2733, pp. 1-55. September 26, 

 1928 1 12 



New species: Ctenosaura parkeri, C. clarki. 



Berry, Edward W. Fossil nutlets of the genus Lithosper- 



mum. No. 2734, pp. 1-3. May 1, 1928^ 13 



New varieties: Lithospermum fossilium rugosum, L. f. glabrum, 

 L. f. aristatum. 



. Tertiary fossil plants from the Argentine RepubHc. 



No. 2743, pp. 1-27. October 17, 1928 ^ 22 



New species: Adiantum patagonicum, Pteris nirihuaoensis, 

 Zamia australis, Fitzroya tertiaria, Rollinia (?) patagonica, 

 Hydrangea (?) incerta, Leguminosites calliandraformis, Ana- 

 cardites (?) patagonicus, Sterculia washburnii, Laurelia amaril- 

 lana, Laurophyllum chalianum, Apocynophyllum chalianum, 

 Bignonites chalianus, Phyllites nirihuaoensis, P. mollinedia- 

 formis. 



BoscHMA, H. Two common species of parasitic Crustacea 

 (Sacculinidae) of the West Indies. No. 2726, pp. 1-10. 

 May 19, 1928' 5 



New genus: Loxothylacus. 



New species: Drepanorchis occidentalis. 



Cooke, C. Wythe. New Vicksburg (Oligocene) mollusks 



from Mexico. No. 2731, pp. 1-11. April 24, 1928 ' 10 



New genus: Prolonema. 



New species: Gemmula alazana, G. mexa, Pseudotoma alazana, 

 Scobinella prionota, Glyptotoma rhombica, Borsonia aguilae, 

 Ancilla (Ancillina) alazana, Protonema bartschi, Turritella 

 ceibana, Natica alazana, Polynices (Lunatia) lacrimans, P. 

 (Euspira) byramensis, Ampullina vaughani, Dentalium ovale, 

 D. (Dentalium) alazanum, Amussium alazanum, Pectenceibanus. 



New variety: Gemmula mexa var. mexita. 



' Date of publication. 



52702—29 in 



