. Memoirs of the American Entomological Society . %*••«&- \fi& PUl 1) BY THE AY AT THE A< SOCIETY ;xces. MEMOIRS OF THE AMERICAN ENTOMOLOGICAL SOCIETY NUMBER 32 THE GENUS ISOPERLA (PLECOPTERA) OF WESTERN NORTH AMERICA; HOLOMORPHOLOGY AND SYSTEMATICA AND A NEW STONEFLY GENUS CASCADOPERLA BYSTANLEY W. SZCZYTKOKENNETH W. STEWART

---

Size: 1304px × 1915px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubje, booksubjectentomology