802 The American Naturadist. [September, 
Phillips? has analyzed specimens of Pele’s hair (I) and of lava 
stalagmites (II) from the caves of Kilauea, Hawaii, with these results: 
SiO, Alo, FeO, FeO MnO P,O, CaO MgO Na,O K,O Total 
50.76 14.75 2.89 9.85 .41 26 11.05 6.54 2.70 .88 — 100.09 
51.77 15.66 8.46 6.54 .82 9.56 4.95 2.17 .96 = 100.89 
Lacroix" finds specimens of nepheline basalt from Saint Sandoux, 
Puy-de-Dom, France, in an old collection preserved in the College of 
France. 
Some of the trap dykes of the Lake Champlain region are campto- 
nites. Others consist of monchiquite, fourchite or bostonite. All are 
described by Kemp and Marsters” in a recent Bulletin of the Survey 
Amer. Jour. Sci., XLVII, p. 473. 
“Bull. Soc. Fred Min., XVII, p. 43. 
Bull. U. S. Geol. Surv., No. 1 107. 
3539 aim a 2 cha o Ca 
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gE ee A PNET Ra ON ARA Mc one 
