4). Amphibia of El Salvador The Genus Oedipus 27) Costal grooves 17,Panama--------------complex Costal grooves 19,Panama to Honduras--------- --------------------uniformis 28) Costal grooves 17,Colombia to Panama---------- ---------------------------parvipes Costal grooves 19-20------------------------29 29) Larger,maxillary teeth present,basal constrict- tion of tail present,19 costal grooves,Nica- ragua to Panama--------------collaris Smaller,no maxillary teeth,no basal constric- tion of tail,Costa Rica------------alfaroi