ISOLATION; OR LAND SHELLS ON HAWAII 83 



been found — whether in this valley or that ; whether on 

 this kind of tree, on that variety of shrub, or under leaves 

 on the ground. He was indeed doing what scientists now 

 insist must always be done to make a collection of any value 

 from the scientific point of view. In those days, however, 

 and in that distant land, John Gulick was the only person 

 who so much as dreamed of doine: this careful work. 



A Few of Dr. Gulick's Shells 



1, yellow-white with a tinge of green and dark stripes ; 2, soft yellow with white 

 lining ; 3, red-brown with white stripes and white lining ; 4, shaded pink with white 

 bands and white lip; 5, dark brown, light brown, and white; 6, dark green shaded 

 light, with bands of dark brown and yellow ; 7, white inside and outside, with touch 

 of yellow on the lip ; 8, dark red-brown, shaded, with darker bands ajid white lining 



" I was so much interested in the location," he says, " that 

 I kept the name of every valley. I went around the island 

 on horseback, starting at Koko Head and visiting all the 

 valleys in turn. The shells were actually found by the Ha- 

 waiian boys. I would ride into a valley and tell the boys that 

 I would come in a few days and pay them for the land shells 

 they found, but I knew the valley where they came from." 



