ClipArt ETC
"Pelvis of a young grouse, showing three distinct bones. Il,P, ilium, ischium, pubis. In front of former a dorsal vertebra protrudes." Elliot Coues, 1884

The Pelvis of a Young Grouse

"Pelvis of a young grouse, showing three distinct bones. Il,P, ilium, ischium, pubis. In front of former…