25 
ICZN. 1966. Opinion 789. Rejection of the pamphlet by J. 
Hiibner, 1808, entitled Erste Zutrage zur Sammlung exotischer 
Schmetterlinge. Bull. Zool. Nomencl., 23:213-220. 
ICZN. 1974. Opinion 1024. Epirhexis Cope, 1866 (Amphibia: 
Salientia): Suppressed under the plenary powers. Budeise 
Zool sNomencl >, 6. (3) 130-132 
MedvalbileyeRichardeVvasand od. D. D. Smith. 19875 Officials amalsies! tand 
Indexes of Names and Works in Zoology. International Trust 
for Zoological Nomenclature. London. 
Smith pe HObarteMen and ROzellal Be Smash. 1e)7/S) Synopsis of the 
Herpetofauna of Mexico. Vol. II. Lundberg; Augusta, West 
Virginia. 
Vamnz ollie aul Om Et 1977. An Annotated Bibliography of the Land 
and Fresh-water Reptiles of South America (1758-1975). Vol. 
reliTS 900) Mus. 4ool., Univ... Sac) Paulo; (Sao Paulo. 
CROSS-INDEXES 
The following cross-indexes will facilitate scanning the 200 
names here treated for those pertinent to valid names. ies leatsic 
is divided into two groups: nomina clara (names whose allocation 
to known taxa iS apparent) and nomina dubia (names whose 
allocation to any given taxon is uncertain). 
NOMINA CLARA 
Indented names are to be found in the preceding account. 
CAUTION: not all indented names are synonyms of the valid names 
under which they appear; most are, but in some cases the valid 
name is simply discussed in the account for the invalid name. 
CAUDATA 
A. Family-Group Names 
Ambystomat idae 
Ambystomidae 
B. Genus-group Names 
Ambystoma 
Amblystoma 
Axolot 
Axolotus 
Philhydrus 
Phyllhydrus 
Siredon 
Sirenodon 
