Final answer:
The sentence is referring to a building or structure made of stone or bricks. Despite the crumbling condition of the individual stones, the overall structure still maintains a perfect adaptation of its parts, creating a sense of contrast and inconsistency.
Step-by-step explanation:
In the given sentence, 'No portion of the masonry had fallen; and there appeared to be a wild inconsistency between its still perfect adaptation of parts, and the crumbling condition of the individual stones,' the use of the word 'masonry' suggests that the sentence is referring to a building or a structure made of stone or bricks. The sentence describes how despite the crumbling condition of the individual stones, the overall structure still maintains a perfect adaptation of its parts. This creates a sense of contrast and inconsistency between the overall appearance and the condition of the individual stones.