RECORDS 449 



plied to other cases. It is suggested that the laccoliths and 

 similar magmatic masses, which have been studied, may be re- 

 ferred to three distinct types, the differences between which 

 would be satisfactorily accounted for by the hypothesis. 



In the ensuing discussion. Dr. Washington pointed out that 

 the specimens of the rocks, represented by his analyses, had 

 not been selected in a radial line, but in various directions at 

 increasing distances from the central mass of basic constitution. 



The following specimens were exhibited by the Chairman : 



Corundum from Raglan Township, Ontario, Canada. 



Variously colored sapphires from a new locality. Clear Creek, 

 Granite County, Montana. 



Corundum from a serpentine dike at a new locality, Corun- 

 dum Hill, Plumas County, California. 



Professor R. E. Dodge announced the death of Dr. Hans 

 Bruno Geinitz, on December 30, 1899. The Chairman briefly 

 discussed the character and work of Dr. Geinitz, and, on motion, 

 Professor Stevenson was appointed a committee to prepare a 

 minute on this great loss to the Academy and to science. 



Alexis A. Julien, 



Secretary. 



SECTION OF ANTHROPOLOGY AND PSY- 

 CHOLOGY. 



February 23, 1900. 



Section met at 8:15 P. M., Dr. Franz Boas presiding. 

 The following program was then offered : 



Carl Lumholtz, Symbolism of the Huichol Indians. 

 A. L. Kroeber, Symbolism of the Arapahoe Indians. 

 F. Boas, The Growth of Children. 



Summary of Papers. 



Dr. Lumholtz stated that the Huichols are a small tribe of 

 about four thousand souls living in the southwestern part of 

 Mexico, on a spur of the Sierra Madre. Their country being 



