AlliJCODOlSr GOEEINGEI. 



185 



C. 8836. Left ulna, wanting the distal end. This specimen shows that this bone is long and slender. 

 The dimensions (in centimetres) are : — 



Length of sigmoid notch 4*7 



Height of olecranon process above articulation 5-5 



Length of bone so far as preserved 38 



C. 8805. Left os innominatum (text-fig. 60). The long axis of the ilium (il.) is nearly on the same 

 straight line as that of the ischium (isc). For a short distance in front of the 



Text-fig. 60. 



isc.t. 

 A. 



m. 



^~" ^ ^^'^%. \ ^^^=^^< 



il. ' llfc]:, 



'*</ ^^ ISC. 



Left OS innominatum of Ancodo7i gorringei : A, from side ; B, from below. 



acet., acetabulum ; /., foramen formed by closure of the cotylar notch (the passage into the acetabulum is 

 marked by a line from/.); i2., ilium ; i«c., ischium ; I'sc.i., ischial tuberosity; Z.<., pit for ligamentum 

 teres; m., pit for attachment of a muscle, probably the reetiis femoris ; obt.f., obturator foramen; 

 pt., pectineal tubercle ; j>u., pubis ; sacs., surface for sacrum ; sym., symphysial surface of pubis. 

 ^ nat. size. 



acetabulum the upper and lower borders of the laterally compressed neck of the ilium are 

 nearly parallel, then the bone expands greatly into a roughly triangular region^ the inner 

 (sacral) face of which bears a large and clearly defined surface for the sacrum (sacs.) ; 

 this surface is bounded Aentrally and separated from the lower border of the hone by a 

 rounded ridge. The upper edge of the ischium is thin and sharp, and there is a slightly 

 developed superior ischiadic spine ; posteriori}' the hone expands and bears a large 



2b 



