Vol. II, Pt. I] VAN DENB URGH—SLEVIN—GALAPAGOAN LIZARDS 193 



ences between those from the various islands. The sea 

 iguanas of Tower and of Duncan islands have been given 

 separate names by some authors, but we are unable to regard 

 them as distinct. Even the iguanas of widely separated 

 islands, such as Culpepper and Hood, seem not to differ upon 

 direct comparison. 



Variation. — The femoral pores vary from twenty to thirty- 

 one. In all (7) specimens from Culpepper Island the mental 

 separates the infralabials. This same conditions is found in 

 three out of seven from Wenman Island, in twenty-seven out 

 of forty-four from Hood Island, in twenty-three out of 

 twenty-seven from Bindloe Island, in six out of eight from 

 Albemarle Island, in all (6) from Indefatigable Island, in 

 four out of five from Jervis Island, in twenty-nine out of 

 thirty-eight from Abingdon Island, in five out of six from 

 Brattle Island, in one from Champion Island, two from James 

 Island, one from Chatham Island, and four from Narborough 

 Island. 



Field notes. — Hood Island, Feb. 5, 1906. The iguanas 

 now are very brightly colored — green, red, and black. They 

 are common on the coast, and are seen lying close to the 

 water, their long claws enabling them to hang on to the rocks 

 in spite of the strong wash of heavy surf which breaks over 

 them. I saw none swimming or feeding today, in fact one 

 seldom sees them in the water. They lie in the sun on the 

 rocks, and never make for the water when pursued, but run 

 along the rocks and get into crevices. 



Gardner-near-Hood, Oct. 1, 1905. Found sea iguanas com- 

 mon on Gardner. At low tide, they feed on the green sea- 

 weed which covers the rocks, while at high tide the}^ take to 

 the higher places and lie in the sun. 



Charles Island. No sea iguanas were seen by any of the 

 party. 



Chatham Island, Feb. 16, 1906. Sea iguanas are very rare 

 on this island, where the natives formerly ate them and even 

 their eggs. Ochsner reports seeing about three in the vicinity 

 of Finger Point, and King secured one. 



Barrington Island, Oct. 23, 1905. I saw only two sea 

 iguanas, and tried to catch one but failed. The other was on 

 a small rock a few hundred yards off the main island. 



