Smith, M. R. 1949e. A new Leptothorax commonly inhabiting the canyon live oak of California (Hymenoptera: Formicidae). Psyche (Cambridge) 56:112-115. PDF

Smith, M. R. 1950a. On the status of Leptothorax Mayr and some of its subgenera. Psyche (Cambridge) 57:29-30. PDF

Smith, M. R. 1950b. [Review of: Creighton, W. S. 1950. The ants of North America. Bulletin of the Museum of Comparative Zoology 104:1-585.]. Proceedings of the Entomological Society of Washington 52:274-275. PDF

Smith, M. R. 1950c. Order Hymenoptera. Ants. Family Formicidae. Pp. 261-300 in: Weinman, C. J. (ed.) 1950. Pest control technology. Entomological section. New York: National Pest Control Association, vii + 365 + [50] pp.

Smith, M. R. 1951a. [Review of: Creighton, W. S. 1950. The ants of North America. Bulletin of the Museum of Comparative Zoology 104:1-585.]. The Scientific Monthly 72:63.

Smith, M. R. 1951b. A new species of Stenamma from North Carolina (Hymenoptera, Formicidae). Proceedings of the Entomological Society of Washington 53:156-158. PDF

Smith, M. R. 1951c. Family Formicidae. Pp. 778-875 in: Muesebeck, C. F. W.; Krombein, K. V.; Townes, H. K. (eds.) 1951. Hymenoptera of America north of Mexico. Synoptic catalogue. United States Department of Agriculture. Agriculture Monograph 2:1-1420. PDF

Notes: Publication date from Muesebeck, Krombein & Townes (1951).

Smith, M. R. 1951d. Two new ants from western Nevada (Hymenoptera, Formicidae). Great Basin Naturalist 11:91-96. PDF

Smith, M. R. 1952a. The correct name for the group of ants formerly known as Pseudomyrma (Hymenoptera). Proceedings of the Entomological Society of Washington 54:97-98. PDF

Smith, M. R. 1952b. On the collection of ants made by Titus Ulke in the Black Hills of South Dakota in the early nineties. Journal of the New York Entomological Society 60:55-63. PDF

Smith, M. R. 1952c. North American Leptothorax of the tricarinatus-texanus complex (Hymenoptera: Formicidae). Journal of the New York Entomological Society 60:96-106. PDF

Smith, M. R. 1953a. A revision of the genus Romblonella W. M. Wheeler (Hymenoptera: Formicidae). Proceedings of the Hawaiian Entomological Society 15:75-80. PDF

Smith, M. R. 1953b. Dolichoderus granulatus Pergande, a synonym (Hymenoptera, Formicidae). Proceedings of the Entomological Society of Washington 55:211. PDF

Smith, M. R. 1953c. A new species of Probolomyrmex, and the first description of a Probolomyrmex male (Hymenoptera, Formicidae). Journal of the New York Entomological Society 61:127-129. PDF

Smith, M. R. 1953d. A new Metapone from the Micronesian Islands (Hymenoptera, Formicidae). Journal of the New York Entomological Society 61:135-137. PDF

Smith, M. R. 1953e. A new Pheidole (subg. Ceratopheidole) from Utah (Hymenoptera: Formicidae). Journal of the New York Entomological Society 61:143-146. PDF

Smith, M. R. 1953f. A new Romblonella from Palau, and the first description of a Romblonella male (Hymenoptera, Formicidae). Journal of the New York Entomological Society 61:163-167. PDF

Smith, M. R. 1953g. Pogonomyrmex salinus Olsen, a synonym of Pogonomyrmex occidentalis (Cress.) (Hymenoptera: Formicidae). Bulletin of the Brooklyn Entomological Society 48:131-132. PDF

Smith, M. R. 1954a. A new name for Martia Forel (Hymenoptera). Bulletin of the Brooklyn Entomological Society 49:17. PDF

Smith, M. R. 1954b ("1953"). A new Camponotus in California apparently inhabiting live oak, Quercus sp. (Hymenoptera, Formicidae). Journal of the New York Entomological Society 61:211-214. PDF

Smith, M. R. 1954c. Ants of the Bimini Island Group, Bahamas, British West Indies (Hymenoptera, Formicidae). American Museum Novitates 1671:1-16. PDF

Smith, M. R. 1954d. Concerning type locality and type fixation of the North American ant, Myrmica emeryana Forel. Bulletin of the Brooklyn Entomological Society 49:138-140. PDF

Smith, M. R. 1955a. An unusual ant collection record. Bulletin of the Brooklyn Entomological Society 50:28. PDF

Smith, M. R. 1955b. Acanthostichus (Ctenopyga) townsendi (Ashm.), a synonym of Acanthostichus texanus Forel (Hymenoptera: Formicidae). Bulletin of the Brooklyn Entomological Society 50:48-50. PDF

Smith, M. R. 1955c. Remarks concerning the types of five species of ants described by Roger or Forel (Hymenoptera, Formicidae). Bulletin of the Brooklyn Entomological Society 50:98-99. PDF

Smith, M. R. 1955d. Ants of the genus Pheidole, subgenus Hendecapheidole (Hymenoptera, Formicidae). Proceedings of the Entomological Society of Washington 57:301-305. PDF

Smith, M. R. 1955e. The correct taxonomic status of Pheidole (Pheidolacanthinus) brevispinosa Donisthorpe (Hymenoptera, Formicidae). Proceedings of the Entomological Society of Washington 57:305. PDF

Smith, M. R. 1956a. A key to the workers of Veromessor Forel of the United States and the description of a new subspecies (Hymenoptera, Formicidae). Pan-Pacific Entomologist 32:36-38. PDF

Smith, M. R. 1956b. A list of the species of Romblonella including two generic transfers (Hymenoptera, Formicidae). Bulletin of the Brooklyn Entomological Society 51:18. PDF

Smith, M. R. 1956c. A further contribution to the taxonomy and biology of the inquiline ant, Leptothorax diversipilosus Smith (Hymenoptera, Formicidae). Proceedings of the Entomological Society of Washington 58:271-275. PDF