Published in Annals of the Entomological Society of America, in 1921, in volume 13, pages 402-407

Published in Annals of the Entomological Society of America, in 1921, in volume 14, pages 1-15

Published in Annals of the Entomological Society of America, in 1921, in volume 14, pages 27-35

Published in Ann. Ent. Soc. America, in 1921, in volume 14, pages 36-38

Published in Annals of the Entomological Society of America, in 1921, in volume 14, pages 65-110

Published in Annals of the Entomological Society of America, in 1921, in volume 14, pages 111-134

Published in Annals of the Entomological Society of America, in 1921, in volume 14, issue 1, pages 16-26

Published in Annals of the Entomological Society of America, in 1921, in volume 14, issue 1, pages 39-48

Published in Annals of the Entomological Society of America, in 1921, in volume 14, issue 1, pages 49-63

Published in Annals of the Entomological Society of America, in 1921, in volume 14, issue 2, pages 135-140

Published in Annals of the Entomological Society of America, in 1921, in volume 14, issue 2, pages 141-144

Published in Annals of the Entomological Society of America, in 1921, in volume 14, issue 2, pages 145-149

Published in Annals of the Entomological Society of America, in 1921, in volume 14, issue 2, pages 150-156

Published in Annals of the Entomological Society of America, in 1921, in volume 14, issue 3, pages 159-168

Published in Annals of the Entomological Society of America, in 1921, in volume 14, issue 3, pages 169-214

Published in Annals of the Entomological Society of America, in 1921, in volume 14, issue 3, pages 227-230

Published in Annals of the Entomological Society of America, in 1921, in volume 14, issue 4, pages 231-289

Published in Annals of the Entomological Society of America, in 1921, in volume 14, issue 4, pages 290-320

Published in Annals of the Entomological Society of America, in 1921, in volume 14, issue 4, pages 337-342

Published in Annals of the Entomological Society of America, in 1921, in volume 14, issue 4, pages 344

Published in Annals of the Entomological Society of America, in 1921, in volume 14, issue 4, pages 345-346