Oldenlandia, [65].

Oligodon, few toothed, [347].

Ophidarium, the, [16], [61], [163].

Ophidia; divisions of, [46], [51], et seq.;

groups of, [53];

all carnivorous, [56];

and oviparous, ib.;

prejudices regarding, [3], [97], [103], [189], et seq.;

well supplied with teeth, [344];

sub-orders of, [354];