Volume 19 [59 articles]

• New North American Diptera, Charles W. Johnson
  Volume 19 (1912), Issue 1, Pages 1-5
• Notes on Psyllidæ: Livia, Edith M. Patch
  Volume 19 (1912), Issue 1, Pages 5-8
• Four New Myrmecophilous Coleoptera, H. C. Fall
  Volume 19 (1912), Issue 1, Pages 9-12
• A New Proscopiid Grasshopper From Peru, A. N. Caudell
  Volume 19 (1912), Issue 1, Pages 12-13
• On the Early Stages of Certain Geometrid Species, Wm Barnes and J. McDunnough
  Volume 19 (1912), Issue 1, Pages 14-20
• A New Species of Pselliopus (Milyas), Wm T. Davis
  Volume 19 (1912), Issue 1, Pages 20-22
• Second International Congress of Entomology
  Volume 19 (1912), Issue 1, Pages 22-22
• The Washington Meeting of the Entomological Society of America
  Volume 19 (1912), Issue 1, Pages 22-23
• Four Burrowing Lycosa (Geolycosa Montg., Scaptocosa Banks) Including One New Species, J. H. Emerton
  Volume 19 (1912), Issue 2, Pages 25-36
• The Stanford Expedition to Brazil: Parabiosis in Brazilian Ants, William M. Mann
  Volume 19 (1912), Issue 2, Pages 36-41
• The Stanford Expedition to Brazil: New Bees Fr0m Brazil, T. D. A. Cockerell
  Volume 19 (1912), Issue 2, Pages 41-61
• The Stanford Expedition to Brazil: A New Sawfly From Brazil, S. A. Rohwer
  Volume 19 (1912), Issue 2, Pages 62-63
• A Peculiar New Crane-Fly From Porto Rico (Tipulidæ; Diptera), Charles P. Alexander
  Volume 19 (1912), Issue 2, Pages 63-66
• Observations on Micoutalis Calva Say, Ignaz Matausch
  Volume 19 (1912), Issue 2, Pages 66-69
• The Period of Incubation of the Eggs Samia Cecropia, Phil Rau
  Volume 19 (1912), Issue 2, Pages 69-70
• The Cleridæ of the Stanford Expedition to Brazil, A. B. Wolcott
  Volume 19 (1912), Issue 3, Pages 71-77
• The Development of the Mouthparts in the Homoptera, With Observations on the Embryo of Siphanta, F. Muir and J. C. Kershaw
  Volume 19 (1912), Issue 3, Pages 77-89
• New Names for Some Ants of the Genus Formica, William Morton Wheeler
  Volume 19 (1912), Issue 3, Pages 90-90
• The Red-Margined Luna, a New Variety, William T. Davis
  Volume 19 (1912), Issue 3, Pages 91-92
• On a Supernumerary Median Ocellus in Melanoplus Femur-Rubrum, M. W. Blackman
  Volume 19 (1912), Issue 3, Pages 92-96
• A New Species of Emesidæ From Vermont, Nathan Banks
  Volume 19 (1912), Issue 3, Pages 97-97
• Melanetærius Infernalis Fall, H. Bickhardt
  Volume 19 (1912), Issue 3, Pages 97-97
• The Stanford Expedition to Brazil: Note on a Guest of Eciton Hamatum Fabr, William M. Mann
  Volume 19 (1912), Issue 3, Pages 98-100
• Sphex Overcoming Obstacles, C. H. Turner
  Volume 19 (1912), Issue 3, Pages 100-102
• Dipterological Notes, Charles W. Johnson
  Volume 19 (1912), Issue 3, Pages 102-104
• Coccinella Undecimpunctata Linn. In Massachusetts, Charles Schaeffer
  Volume 19 (1912), Issue 3, Pages 104-105
• Some Bees From Guatemala, T. D. A. Cockerell
  Volume 19 (1912), Issue 3, Pages 105-106
• Drosophila Repleta Wollaston, Frederick Knab
  Volume 19 (1912), Issue 3, Pages 106-108
• The Velutinous Species of the Genus Chrysopilus, Charles W. Johnson
  Volume 19 (1912), Issue 3, Pages 108-110
• Book Notices
  Volume 19 (1912), Issue 3, Pages 110-111
• Eratta
  Volume 19 (1912), Issue 3, Pages 111-111
• A New Genus and Three New Species of North American Thysanoptera, J. Douglas Hood
  Volume 19 (1912), Issue 4, Pages 113-118
• The Stanford Expedition to Brazil: List of Histeridæ and Buprestidæ, Wm. M. Mann
  Volume 19 (1912), Issue 4, Pages 118-121
• Mites Associated With the Oyster-Shell Scale ( Lepidosaphes Ulmi Linne), H. E. Ewing and R. L. Webster
  Volume 19 (1912), Issue 4, Pages 121-134
• Note on Myrmeleon Immaculatus De Geer, J. H. Emerton
  Volume 19 (1912), Issue 4, Pages 134-134
• Synonymical Notes on Phoridæ, Charles T. Brues
  Volume 19 (1912), Issue 4, Pages 135-136
• The Copulation of Ammophila Abbreviata, C. H. Turner
  Volume 19 (1912), Issue 4, Pages 137-137
• The Yellow Currant Fly or Ģooseberry Fruit Fly. (Epochra Canadensis Loew.), John Howard Paine
  Volume 19 (1912), Issue 5, Pages 139-144
• The Stanford Expedition to Brazil: A Protective Adaptation in a Brazilian Membracid, Wm. M. Mann
  Volume 19 (1912), Issue 5, Pages 145-147
• The Stanford Expedition to Brazil: The Species of the Coleopterous Family Temnochilidæ Collected on the Expedition, Chas. Schaeffer
  Volume 19 (1912), Issue 5, Pages 147-149
• The Stanford Expedition to Brazil: Studies Amongst the Coccinellidæ No. 3, F. W. Nunenmacher
  Volume 19 (1912), Issue 5, Pages 149-151
• New and Interesting Diptera, Charles W. Johnson
  Volume 19 (1912), Issue 5, Pages 151-153
• Variations of Orsodachna Atra—Coleoptera, C. A. Frost
  Volume 19 (1912), Issue 5, Pages 153-156
• The House Fly in Its Relation to City Garbage, John Howard Paine
  Volume 19 (1912), Issue 5, Pages 156-159
• Note on a Pink Locustid, R. W. Glaser
  Volume 19 (1912), Issue 5, Pages 159-159
• Notes on the Mantid Genus Gonatista Sauss, A. N. Caudell
  Volume 19 (1912), Issue 5, Pages 160-162
• New Nearctic Tipulidae (Diptera), Charles P. Alexander
  Volume 19 (1912), Issue 6, Pages 163-171
• Additions to Our Knowledge of the Ants of the Genus Myrmecocystus Wesmael, William Morton Wheeler
  Volume 19 (1912), Issue 6, Pages 172-181
• The North American Species of the Genus Hæmatopota, Charles W. Johson
  Volume 19 (1912), Issue 6, Pages 181-183
• Book Notice, C. W. J.
  Volume 19 (1912), Issue 6, Pages 183-183
• An Orphan Colony of Polistes Pallipes Lepel, C. H. Turner
  Volume 19 (1912), Issue 6, Pages 184-191
• Some Experimental Observations Upon Monkeys Concerning the Transmission of Poliomyelitis Through the Agency of Stomoxys Calcitrans, a Preliminary Note, M. J. Rosenau and Charles T. Brues
  Volume 19 (1912), Issue 6, Pages 191-194
• “Sugaring” in the Autumn, Rudolf C. B. Bartsch
  Volume 19 (1912), Issue 6, Pages 195-199
• Limosina Mirabilis Collin, a Species of Borboridæ New to the United States, J. R. Malloch and F. Knab
  Volume 19 (1912), Issue 6, Pages 199-199
• Notes on the Life-History of Corethra Albipes Johannsen, C. H. Richardson Jr.
  Volume 19 (1912), Issue 6, Pages 200-203
• A New Melittobia From Queensland, Australia, A. A. Girault
  Volume 19 (1912), Issue 6, Pages 203-205
• The Male of Eciton Vagans Olivier, William Morton Wheeler
  Volume 19 (1912), Issue 6, Pages 206-207
• Note on Tricrania Sanguinipennis Say (Coleoptera), C. A. Frost
  Volume 19 (1912), Issue 6, Pages 208-208
• Correction
  Volume 19 (1912), Issue 6, Pages 208-208