Volume Vii.

HEMICHORDATA, by Sir S. F. HARMER, K.B.E., Sc.D., F.R.S.; ASCIDIANS AND AMPHIOXUS, by W. A. HERDMAN, D.Sc., F.R.S.; FISHES (EXCLUSIVE OF THE SYSTEMATIC ACCOUNT OF TELEOSTEI), by T. W. BRIDGE, Sc.D., F.R.S.; FISHES (SYSTEMATIC ACCOUNT OF TELEOSTEI), by G. A. BOULENGER, F.R.S.

ATHENAEUM.--"All who take a serious interest in the advance of ichthyology will find this a fascinating book."