716 The American Naturalist. [August, 
upon by Wyman, and the writer during his investigations has 
had no grounds to differ'from Professor Wyman's opinion. 
The discovery of lance points at such a depth and of such 
graceful pattern is entirely without precedent. Specimens of 
the rude and thick arrow points ordinarily found in the shell 
heaps will be figured in a later paper. 
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Fig.13. (Full size.) 
Throughout the excavations were found a number of pieces 
of red hematite, the largest being 3} x 24 x 2 inches. This 
mineral was largely used as coloring matter in several of the 
burial mounds, notably at Mt. Royal where the whole upper 
stratum is dyed with it. 
Shell. 
As in the case of implements of bone, so of shell it may be 
said that Mulberry Mound among all the shell heaps of the 
St. John's has furnished the richest results to the archeologist. 
