Robuta

https://www.gutenberg.org/cache/epub/37742/pg37742-images.html The Project Gutenberg eBook of Fishes of the Big Blue River Basin Kansas, by W. L. Minckley. https://www.gutenberg.org/ebooks/35838 Five Natural Hybrid Combinations in Minnows (Cyprinidae) by Cross and Minckley | Project Gutenberg Free eBook digitized and proofread by volunteers.