Complex sentence: The length of the hind limb is contained 2.5 to 3 times in the length from snout to vent; when pressed against the body the limbs just meet or fail to meet.
Split into simpler sentences: The length of the hind limb is contained 2.5 to 3 times in the length from snout to vent. When pressed against the body, the limbs just meet or fail to meet.