On p. 480, the array `16  {5,4; 1,1}' should have
been `16  {5,4; 1,2}'.
In the entry in line $-3$ replace `28150' by `28160'.
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Sometimes the page number given is one off, as for the seven graphs
at the bottom of p. 222 (indexed under page 223) and the graph
at the bottom of p. 223 (indexed under page 224).
The five strongly regular graphs in the middle of page 397 were
not mentioned in the index.