Volume Vi.

INSECTS, Part II., D. SHARP, M.A., F.R.S.

VOLUME VII.

BALANOGLOSSUS, ETC., S. F. HARMER, Sc.D., F.R.S., King's College; ASCIDIANS AND AMPHIOXUS, W. A. HERDMAN, D.Sc. (Lond.), F.R.S. (Professor of Natural History in University College, Liverpool); FISHES, T. W. BRIDGE, Sc.D., Trinity College (Professor of Zoology in the Mason University College, Birmingham).