at present defective, [51];
five principal groups of ss., [53];
by dentition unsatisfactory, [354], et seq.;
difficulties occurring in, [413], [421];
Krefft on, [423] (see nomenclature).
Clayton, Mr. J., the ‘tayle’ of rattlesnakes, [280].
Climbing, [180], et seq., [196], [214], et seq., [230];
of sea-ss., [238];