322 Book reviews For readers wishing to use either the English or Spanish part of the book it would have been handy if pages with English or Spanish text had been marked separately by means of a black corner or something similar, or when the two parts had been separated entirely. The present lay-out necessitates a lot of un- necessary leafing through "undesired" pages. In the distributional checklist some species are indicated by numbers, some of them (Bolitoglossa sp. 1 and 2, Eleutherodactylus sp. 1) are also dealt with in the key, others (Bolitoglossa sp. 3, Norops sp. 1, Celestus sp. 1) are not. It is worth noticing that in some instances an aberrant nomenclature has been followed, without ex- planation why this is so, except what is stated in the pertinent couplets. E.g. many of the species formerly considered as Anolis are here treated as Norops, but the key presented for these lizards is for Anolis and Norops together, apparently because the distinction is in the vertebrae. The majority of the species of Bothrops are considered to belong to Bothriechis, differing in number of ventrals + caudals and the arrangement of the subcaudals. I have not had
Amphibia-Reptilia – Brill
Published: Jan 1, 1988
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