21 



Polychrus spurrellii Boulenger, 1914 

 Type(s): Syntypes (2): BMNH 1946.8.8.33-34 

 Type locality: Pefia Lisa, Condoto, Colombia. 

 Distribution: Western tropical. 



IGUANIDAE: TROPIDURTNAE (26) 

 Microlophus albemarlensis (Baur, 1890) 

 Original name: Tropidurus albemarlensis 

 Type(s): Syntypes (11): USNM 15003-13 



Type locality: Tagus Cove, Albemarle Island [Isla Isabela], Galapagos Archipelago. 

 Systematics: Frost (1992), Van Denburgh and Slevin (1913), Wright (1983). 

 Distribution: Galapagos. 



Microlophus bivittata (Peters, 1871) 



Original name: Tropidurus (Craniopeltis) bivittata 



Type(s): Not located. 



Type locality: Chatman Island [Isla San Cristobal], Galapagos Archipelago. 



Systematics: Frost (1992), Van Denburgh and Slevin (1913), Wright (1983). 



Distribution: Galapagos. 



Microlophus delanonis (Baur, 1890) 



Original name: Tropidurus delanonis 



Type(s): Syntypes (17): USNM 15014-18, 15020-25, 14926-30; MCZ 22664 



Type locality: Hood Island [Isla Espahola], Galapagos Archipelago. 



Systematics: Frost (1992), Van Denburgh and Slevin (1913), Wright (1983). 



Distribution: Galapagos. 



Microlophus duncanensis (Baur, 1890) 



Original name: Tropidurus duncanensis 



Type(s): Syntypes (4): USNM 14941^4 



Type locality: Duncan Island [Isla Pinzon], Galapagos Archipelago. 



Systematics: Frost (1992), Van Denburgh and Slevin (1913), Wright (1983). 



Distribution: Galapagos. 



Microlophus grayii (Bell, 1843) 

 Original name: Leiocephalus grayii 

 Type(s): Syntypes (2): BMNH 1946.8.29.73-74 



Type locality: Chatman [Isla San Cristobal] and Charles [Isla Floreana] Islands, 

 Galapagos Archipelago. 



Systematics: Frost (1992), Van Denburgh and Slevin (1913), Wright (1983). 

 Distribution: Galapagos. 



