Raptorial legs, [242] f., [257], [463], [484]
Ratzeburg, on Anomalon, [553];
on trochanter, [520]
Ravages of Termites, [388]
Réaumur, on ant-lions, [455];
on circulation of silkworm, [135];
on galls, [525];
on spheroidal condition, [164]
Raptorial legs, [242] f., [257], [463], [484]
Ratzeburg, on Anomalon, [553];
on trochanter, [520]
Ravages of Termites, [388]
Réaumur, on ant-lions, [455];
on circulation of silkworm, [135];
on galls, [525];
on spheroidal condition, [164]