Receptaculum seminis, [139], [404]

Rectal, gills, [421] f.;

respiration, [435]

Rectum, [125]

Redtenbacher, on migratory locust, [297];

on wing, of Oligotoma, [353];

of Termes, [359]

Reduviid egg, [145]

Reflex action, [250]

Reproduction of lost parts, [213], [265], [266]