The Zoology of the Voyage of H.M.S. Erebus and Terror, 



under the command of Sir James Clark Eoss, R.K, F.E.S., during 

 the years 1839-1843. By authority of the Lords Commissioners of 

 the Admiralty. Edited hy John Eichai|,dson, M.D., F.E.S., &c., and 

 John Edward Gray, Esq., Ph. D., r.E,S., 



The undersigned begs to announce that, having purchased the remaining 

 stock of the above, including a considerable number of unpublished 

 Plates, and, by the kind co-operation of the Officers of the Zoological 

 Department of the British Museum, achieved its completion, he is now 

 prepared to supply the concluding portions of tliis important Zoological 

 Work. 



Part XIX. — INSECTS (conclusion). By Arthur Gardiner 

 Butler, F.L.8., F.Z.S.. &c. Eour Plates. Price 10s. 



Part XX. — CRUSTACEA. By Edward J. Miers, Junior Assistant, 

 Zoological Department, British Museum. Four Plates. Price lOfi- 



Part XXI.— MOLLUSCA. By Edgar A. Smith, F.Z.S., Zoological 

 DepaTtment, British Museum. Fo\ir Plates. Price 10s, 



Part XXII. — BIRDS (conclusion). By E. Bowdler Sharpe, 

 F.L.S., F.Z.S., &c., of the Zoological Department, British Museum. 

 Ten Coloured Plates. Price 10s. 



Part XXIII. — MAMMALIA (conclusion). By John Edward 

 Gray, Ph. D., F.E.S., F.L.S., &c. Four Coloured and Eight Plain 

 Plates. Title and Contents of Vol. I. Price 10s. 



Part XXIV.— REPTILES (conclusion). By Albert Gunther, 

 M.A., M.D., Ph. D., F.E.S., V.P.Z.S., Keeper of the Zoological 

 Department of the British Museum. Ten Plates. Title and Con- 

 tents of Vol. II. Price 10s. 



The following sections, each complete, with distinct pagination and Title- 

 page, may be had separately. 



BIRDS. — By George Eobert Gray, F.E.S., and E. Bowdler Sharpe, 

 F.L.S., &c. Thirty-seven Coloured Plates. Price £3 3s. 



FISHES.— By John Eichardson, M.D., F.E.S., &c. Sixty Plates. 

 Price £3 3s. 



CRUSTACEA.— By Edward J. Miers. Four Plates. Price 10s. 



INSECTS. — By Adam White, M.E.S., and Arthur Gardiner Butler, 

 F.L.S., F.Z.S., &c. Ten Plates. Price 21s. 



MOLLUSCA.— By Edgar A. Smith, F.Z.S., &c. Four Plates. 

 Price 10s. 



Catalogue of the Lepidoptera of New Zealand. By Arthur 

 Gardiner Butler, F.L.S., F.Z.S. , &c. Three Plates. Price 7s. 6(1. 



E. W. JAN80N, 28, MUSEUM STREET, LONDON, W.C. 



