TABLE OF CONTENTS. V 



Eurytoma phoebus, E. phoenix, E. neomexicana., E. poloni, E. illi- 

 noisensis, E. pater, Decatoma Jlamminneiventris, D. florida, D. 

 michiganica, D. autumnalis, D. compressa, Paratr'igonogastra stella, 

 Tripolycystus a-yptognathae, Eurydinota rufiventris, Polycystus gib- 

 bus, Spalangia muscarum, Tridymus clavicomis, Terobia flora. 

 New varieties: Trichopria popenoei illinoisensis, Macroteleia flori- 

 dana. goldsmithi, Copidosoma gelechiae, Spilodialcis torvina ancylae, 

 Rhicnopeltomyia cnrlylei poeta, Eurytoma hegeli, var. maga, Spa- 

 langia muscidarum texensis. 

 Hay, Oliver P. Descriptions of some pleistocene verte- 

 brates found in the United States. No. 2328. October 

 12, 1920.^ Page. 



New genus: Sangamona, Alisodcn 83—146 



New species: Flatygonus setiger, Testudo munda, Tapirus tennes- 

 seae, Sangamona fugitiva, ifylohyvs obtusidens, Sciuriis fenuidens, 

 Smilodontopsis mooreheadi, Syinbos promptus, Equus holmesi, 

 Camelops nitidus, Alisodon mirus, Terrapene bulverda. 



Henderson, John B. See Bartsch, Paul 49-82 



Hyslop, J. A. Genotypes of the Elaterid beetles of the 



world. No. 2353. April 9, 1921 ^ 621-680 



Jordan, Eric Knight. Notes on a collection of shells from 



Trinidad, California. No. 2325. September 8, 1920 ^ .. 1-5 



New species: Odostomia {Chrysallida) eughjpta, 0. (Evalea) edmondi. 



Marshall, William B. New fresh-water shells from 



Guatemala. No. 2336. November 13, 1920 ^. 301-302 



New species: Sphaeromelania hinkleyi, Cochliopa dulcensis. 

 May, Henry G. Observations on the Nematode genus 

 Nematodirus with descriptions of new species. No. 2350. 



November 30, 1920^ 577-588 



New species: Nematodirus abnormaJis, N. helvetianus, N. furcattis, 



N. drom.eda.rii. 



Merrill, George P. Notes on the meteorite of Esther- 



ville, Iowa, with especial reference to its included "Peck- 



hamite" and probable metamorphic nature. No. 2341. 



November 11, 1920^ 363-370 



McAtee, W. L. See Alexander, C. P 385-435 



Musebeck, C. F. W. a revision of the North American 

 species of Iclmeumon-fiies belonging to the genus Apan- 



teles. No. 2349. January 4, 1921 ^ .483-576 



New species: Apantdes bucculatricis, A. dolichocephalus, A. laevi- 

 coxis, A. paranthrenidis, A. thurberiae, A. phihorimaeae, A. acro- 

 basidis, A. calif ornicxis, A. pseudoglossae, A. diatraeae, A. nigro- 

 variatus, A. cocJcerelli, A. dakotae, A. papaipemae, A. luteipennis, 

 A. flavovariaius, A. neomexicanus, A. victoriae, A. niger, A. scu- 

 tellaris, A. compressiventris, A. fioridanus, A. nigricornis, A. ueb- 

 steri, A. caffrcyi, A. parastichtidis, A. platkypenae, A. autographae, 

 A. pyralidis, A. anisotae, A. nitens, A. prenidis, A. metocerae, 

 A. hydriae, A. euphydryidis, A. citaradrae. 

 New names: Apanteles insularis, A. piceoventris, A. thoracieus, A. 

 rohweri. 



1 Date of publication. 



