A TREATISE ON ELEMENTARY

STATICS. With 191 Illustrations.

Price 7s. 6d.

ZOOLOGY.

By Dr. Otto Schmeil.

Translatedby Rudolf Rosenstock, M. A., and edited by J. T. Cunxinguam.

TEXT-BOOK OF ZOOLOGY. Treated

from a Biological Standpoint. For the use of Schools and Collèges. Profusely illustrated. Demy Svo.

Part I. MammalS. 5S Illustrations.

Part il. Blrds, Fishes, and Reptiles. 63 illustrations. Part III.

Invertebrata. 69 illustrations.

Price 3s. 6d. each.

The three parts are also bound in ona Volume. Demy Svo. Cloth.

Price 10s. 6d.