on Sphex, [110]

Rothschild, N. C., on morphology of fleas, [523] n.

Royal jelly, [66]

Rozites gongylophora, [167]

Ruby-wasps, [1] f.

Rurales, [342]

Rutelides, [195], [198]

Saccoderes, [558];

S. tuberculatus, [537]

Saccus, [314]