robert leslie usinger

Robert L. Usinger, E. Gorton Linsley, J. Linsley Gressitt · Pacific Coast Entomological Society

340 sayfa · 1972

Entomologists / Biography / Correspondence

Ernst Mayr, E. Gorton Linsley, Robert L. Usinger · McGraw Hill

336 sayfa · 1953

Classification / Nomenclature / Zoology / Animals / Terminology

Tracy Irwin Storer, Robert L. Usinger, James Willard Nybakken, Robert C. Stebbins · McGraw-Hill Book

520 sayfa · 1955

Zoology / Zoologie

Robert L. Usinger · University of California Press

508 sayfa · 1956

Insects / Aquatic insects / Insects, aquatic / Insecta / Insectes aquatiques

Robert L. Usinger · Mc Graw-Hill

232 sayfa · 1967

Freshwater biology / Stream plants / Stream animals / Historia Natural

Tracy Irwin Storer, Robert L. Usinger, David Lukas · University of California Press

500 sayfa · 1963

Natural history

E. O. Essig, Robert L. Usinger · Kessinger Publishing, LLC

60 sayfa · 2007

Kategori yok

Robert L. Usinger · Pacific Coast Entomological Society, California Academy of Sciences

330 sayfa · 1972

Usinger, Robert L. -- 1912-1968. / Entomologists -- Biography.

Robert L. Usinger · Entomological Society of America]

585 sayfa · 1966

Cimicidae

Robert L. Usinger · University of California press

35 sayfa · 1939

Triatominae. / Reduviidae.

Robert L. Usinger · Govt. Print. Off.

83 sayfa · 1944

Conenoses / Triatominae

Robert L. Usinger, La Rivers, Ira · Pacific Science Board, National Academy of Sciences--National Research Council

28 sayfa · 1953

Insects

Robert L. Usinger · Printed by order of the Trustees of the British Museum

410 sayfa · 1959

Aradidae

Robert L. Usinger · The Museum

167 sayfa · 1942

Nysius

Robert L. Usinger · University of California Press

244 sayfa · 1948

Aquatic insects. / Insects -- Development.

Robert L. Usinger · Smith College

18 sayfa · 1946

Kategori yok

George D. Butler, Robert L. Usinger · Pacific Science Board, National Academy of Sciences-National Research Council

30 sayfa · 1963

Insects / Zoology