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P.B. Webb, S. Berthelot, Hist. Nat. Iles Canaries, vol. 2(4): : t. 6, fig. 2 (1836) [A. Riocreux] [17]
drawing: A. Riocreux [742]
 
Smithsonian Institute, Washington, D.C., U.S.A.
P.B. Webb, S. Berthelot, Hist. Nat. Iles Canaries, vol. 2(4): : t. 6, fig. 2 (1836) [A. Riocreux]