EXPLANATION OF PLATES 



Plate 1 



Ctcnosaura acanthura (Shaw). Head and body of half-grown female, Brit. Mus. 

 Nat. Hist. No. XXII 20a-type 



Plate 2 



Ctenosaura acanthura (Shaw). Sacral region and tail of half-grown female, Brit. 

 Mus. No. XXII 20a-type 



Plate 3 



Ctenosaura acanthura (Shaw). Cotype of C. cycluroides Wiegmann, Zoologisches 

 Museum, Berlin No. 577 which is now M.C.Z. No. 22453, a half-grown male 



Plate 4 

 Ctenosaura acanthura (Shaw). Adult male M.C.Z. No. 16074 



Plate 5 

 Ctenosaura hemilopha (Cope). Adult male M.C.Z. No. 13179 



Plate 6 



Ctenosaura brachylopha (Cope). Adult female stuffed skin. Cotype U.S.N.M. 



No. 7180 



Plate 7 



Ctenosaura pectinata (Wiegmann). Type of Cyclura (Ctenosaura) pectinata, 

 Zoologisches Museum, Berlin No. 574, adult male, head and body 



Plate 8 



Ctenosaura pectinata (Wiegmann). Type of Cyclura (Ctenosaura) pectinata, 

 Zoologisches Museum, Berlin No. 574, adult male, sacral region and tail 



Plate 9 



Ctenosaura pectinata (Wiegmann) Adult male M.C.Z. No. 2726 



Plate 10 



Ctenosaura pectinata (Wiegmann). Adult female, Amer. Mus. Nat. Hist., No. 119 



Plate 11 



Upper. Ctenosaura pectinata (Wiegmann), showing small size of femoral pores of 

 female as compared to those of the male below. % natural size. M.C.Z. 

 Lot No. 2726 



Lower. Ctenosaura pectinata (Wiegmann) , showing the size of the femoral pores 

 of the adult male. % natural size. M.C.Z. Lot No. 2726 



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