P. 65, line 25, for “gemmatalis” read “gemmatilis.”

P. 69, legend —, for “Fig. 2. Dactylopius obiusus, Newst.,” read “Fig. 6. Ceroplastes coniformis, Newst.”

P. 72, legend —, for “Fig. 6. Ceroplastes coniformis, Newst.,” read “Fig. 2. Dactylopius obtusus, Newst.”

P. 155, line 29, for “Rapha” read “Raphia.”

P. 179, line 28, for “(see p. )” read “(see p. 173).”

P. 244, line 27, for “Miscrosporidium” read “Microsporidium.”

P. 249, line 5, for “C. punctata” read C. punctatus.”

P. 249, line 26, for “trilobiformis” read “trilobitiformis.”

P. 269, line 19, for “Somoa” read “Samoa.”

Plates XXIX., XXX., and XXXI., for “Bull. Ent. Research. Vol. IV. Part 3, read “Bull. Ent. Research. Vol. IV. Part 4.”

P. 314, line 5, for “aurantiae” read “aurantii.”

P. 321, line 34, for “Indes” read “Indies.”

P. 325, line 11, for “aurantiae” read “aurantii.”

P. 350, line 4, for “amplectams” read “amplcctens.‘