Sentence:  They [miracles in the canonical gospels] are held, too, together by his [Jesus Christ's] strong and central personality, which does not leave them a <WSD>conglomerate</WSD> of marvellous anecdotes accidentally heaped together, but parts of a great organic whole, of which every part is in vital coherence with every other. 
Meaning of the word marked with <WSD> tags:  A cluster of heterogeneous things.