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"The pelvis of the Echidna; sa, sacrum; il, illum; is, ischium; p, pubis; m, marsupial bone." — Chambers, 1881

Echidna Pelvis

"The pelvis of the Echidna; sa, sacrum; il, illum; is, ischium; p, pubis; m, marsupial bone." —…

"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…

"Pelvis of a heron (ardea herodias), nat. size, viewed from below; from nature by Dr. R.W. Shufeldt, U.S.A. dl, dorso-lumbar vertebrae to and including the last one, sc; below sc, for the extent of the large black spaces (opposite the arrow) are the true sacral vertebrae; us, urosacral vertebrae (opposite the five oval black spaces; Il, ilium; Is, ischium; P, pubis; ob, obturator foramen. The arrow flies into the acetabulum.

The Pelvis of a Heron

"Pelvis of a heron (ardea herodias), nat. size, viewed from below; from nature by Dr. R.W. Shufeldt,…

Dissection of hip joint from the front.

Dissection of Hip Joint From Front

Dissection of hip joint from the front.

"Fig 56 - Axial skeleton, minus the skull, of an owl, Asio wilsonianus, life size; from nature by Dr. R.W. Shufeldt, USA. at, atlas; ax,axis; cv, cervical vertebrae; c, c', cervical ribs, or free pleurapophyses; dv, dorsal vertebrae, excepting the last one, which joins the sacrum; R, two of the six true ribs (pleurapophyses), whereof sr is sacral; u, one of the five uncinate processes or epipleura; cr, two of the six sternal ribs(haemapophyses), whereof the sixth floats; p, pelvic or sacral region of the spine, comprehending one dorsal, and several lumbar, sacral proper, and urosacral vertebrae; I ilium; Is, ischium; P pubis; a, acetabulum; in, ischio-iliac foremen; o, obturator foramen; clv, caudal or coccygeal vertebrae, whereof py is the pygostyle; s, scapula; ohs, os humero-scapulare; cl, clavicle; C, coracoid; S, sternum." Elliot Coues, 1884

Axial Skeleton

"Fig 56 - Axial skeleton, minus the skull, of an owl, Asio wilsonianus, life size; from nature by Dr.…

The trunk showing rib, iliac crest, and pubis.

Side View of the Bones of the Trunk

The trunk showing rib, iliac crest, and pubis.