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



137 



are synonyms of T. paciUcus; and that Baur's other new spe- 

 cies were not worthy of separation from T. grayii. 



During 1891, Dr. Baur visited the Galapagos Archipelago, 

 and made large collections. His final study of the genus Tro- 

 pidurus was published in 1892 in the Festschrift fiir Leuckart. 

 In this article Dr. Baur recognizes the following species of 

 Tropidurus from the Galapagos Islands : 



1. Tropidurus Grayii Bell 



2. " Barringtonensis 



new species 



3. " indefatigabilis Baur 



4. " Jacobii new species 



5. " Albemarlensis Baur 



6. " Delanonis Baur 



7. " Dimcanensis Baur 



8. " paciftctis Steindachner 



9. " Habelii Steindachner 

 10. " bivittatus Peters 



Charles Island 

 Barrington Island 



Indefatigable Island 

 James and Jervis islands 

 Albemarle Island 

 Hood and Gardner islands 

 Duncan Island 

 Abingdon Island 

 Bindloe Island 

 Chatham Island 



The Hopkins-Stanford Galapagos Expedition secured large 

 series of these lizards, which were studied by Edmund Heller. 

 His paper, published in 1903, is the most recent review of the 

 subject. Heller had no specimens from Charles Island. He 

 recognized eight forms, as follows : 



T. grayi grayi Bell 



T. grayi magnus new subspecies 

 T. grayi barringtonensis (Baur) 

 T. duncanensis Baur 

 T delanonis Baur 



T. bivittatus (Peters) 

 T. habeli (Steindachner) 

 T. paciUcus Steindachner 



Charles, Indefatigable, James, 

 Jervis, and Albemarle islands 



Narborough Island 



Barrington Island 



Duncan Island 



Hood Island and Gardner-near- 

 Hood 



Chatham Island 



Bindloe Island 



Abingdon Island 



List of Names Proposed 



The following is believed to be a complete list of the names 

 proposed for Galapagos lizards of the genus Tropidurus, with 

 their dates and type-localities : 



1843 T. grayii (Bell) 



1871 T. bivittatus (Peters) 



1876 T. paciUcus Steindachner 



1876 T. habelii (Steindachner) 



1889 T. lemniscatus Cope 



1890 T. delanonis Baur 

 1890 T. albemarlensis Baur 



Charles Island 



Chatham Island 



Abingdon Island 



Bindloe Island 



Chatham Island 



Hood Island 



Tagus Cove, Albemarle Island 



