EXPLANATION OF PLATE V, 



Globular mortar, ornamented with incised marking's, forminjof a rude 

 reticulated design on the exterior surface. Found in 1S63. with other 

 stone relics and associated with mammalian remains in auriferous 

 gravel, about 16 feet below the surface, in Gold Spring- Gulch, Tuol- 

 umne County, Cal. Diameter, 12 inches; height, l>i inches; depth of 

 basin, 7 inches. Material, pinkish hornblende andesite. Referred to 

 by Whitney, p. 263. This tj'^pe of mortar is in use to-day and the 

 incised reticulate decoration is occasionally seen. The pestle is of the 

 simple cylindrical form usual in California. No. 12, Voy collection. 



432 



