VIII TABLE OF CONTENTS 



Articl- 



Shannon, Earl V. Miargyrite silver ore from the Rands- 

 burg district, California, No. 2766, pp. 1-10, January 31, 

 1929 1 21 



Tschermigite, ammoniojarosite, epsomite, celestite, 



and paligorskite from southern Utah. No. 2758, pp. 1-12. 

 JanuaiySl, 1929' 13 



Taylor, E. Leonard. Moniezia, a genus of cestode worms, 

 and the proposed reduction of its species to three. No. 2754, 

 pp. 1-9. November 24, 1928 ' 9 



Todd, W. E. Clyde. A revision of the wood-warbler genus, 

 Basileuterus and its allies. No. 2752, pp. 1-95. April 26, 

 1929' 7 



New genus: Phaeothlypis. 



New subspecies: Phaeothlypis semicervina annexa, Basileuterus 



castaneiceps chapmani, B. coronatus notius, B. c. elatus, B. c. 



regulus, B. signatus flavovirens. 



Treadwell, Aaron L. A new polychaetous annelid of the 

 genus Phyllodoce from the west coast of Costa Rica. No. 

 2757, pp. 1-3. November 10, 1928' 12 



New species: Phyllodoce nicoyensis. 



Van Duzee, M. C. Tropical American Diptera or two-mnged 

 flies of the family Dolichopodidae from Central and South 

 America. No. 2755, pp. 1-64. February 9, 1929' 10 



New genera: Keirosotna, Oedematopus. 



New species: Psilopus bilobus, P. longipes, P. semicomatus, P. 

 planipes, P. mensor, P. bicoloripes, P. longipennis, P. cylindri- 

 cus, P. angustatus, P. semiciliatus, P. panamensis , P. nilidi- 

 cauda, P. Jlaviannulatus, P. clavalus, P. simulans, Diaphorus 

 curvispina, D. perplexus, D. varipes, Asyndetus flavitibialis, 

 Chrysotus contractus, C. flavimaculala, Argyra violacea, Keiro- 

 sotna albicinclum, Sympycniis imperfect us, S. longipes, S. fili- 

 formis, S. bipilus, Nolhosympycnus unipilus, N. furcatus, Neu- 

 rigona banksi, N. maculipennis, Thinophilus panamensis, Me- 

 detera bella, M. pollinosa, M. scaura, M. pallidicornis, M. 

 varipes, M. flaviseta, Thrypticus acuticauda, Oedematopus cras- 

 sitibia, Paraclius angustipennis, P. albitalus, P. simplex, P. 

 parvicauda, P. aldrichi, P. latitibia, P. albimanus, P. argen- 

 timanus, P. frontalis, P. terminalis, P. acuticornis, Polymedon 

 transversus, P. nigricornis, P. partitus, P. rubiginosus, P. no- 

 tatus, Sarcionus maculatus, Pelastoneurus maculitibia, P. acuti- 

 cauda, P. fuscipennis, P. pectinatus. 



Wright, A. H. Synopsis and description of North American 



tadpoles. No. 2756, pp. 1-70. June 4. 1929' 11 



' Date of publication. 



