Original caption of the plate: The femur of the Megalosaurus; one fourth nat size.

Fig. 1. Hinder surface.
   „   2. Inner surface.

From the Oolitic Slate, of Stonesfield, Oxfordshire. In the British Museum.

Notes:

• Meaning of letters (according to description on Vol. I, p. 345): a = femoral head, b = groove between neck of femoral head and “great trochanter”, c = “great trochanter” (corresponds to the anterior or lesser trochanter of modern terminology), d = “inner trochanter” (corresponds to the 4th trochanter of modern terminology), e = inner condyle (medial condyle, Condylus medialis femoris), f = outer condyle (lateral condyle, Condylus lateralis femoris), g = “anterior or rotular interspace” (anterior intercondylar groove).
• The “Oolitic Slate, of Stonesfield” today is called Stonesfield Slate referred to the Taynton Limestone Formation which is of Middle Jurassic (middle Bathonian) age.^[1]

1. ↑ modern anatomical terms and stratigraphy according to Roger B. J. Benson (2010): A description of Megalosaurus bucklandii (Dinosauria: Theropoda) from the Bathonian of the UK and the relationships of Middle Jurassic theropods. Zoological Journal of the Linnean Society 158(4): 882–935, doi:10.1111/j.1096-3642.2009.00569.x