iv CONTENTS. 
X. Descriptions of Fifty-two New Species of Phasmidæ, from the Collection of Mr. W 
WILSON SAUNDERS, with Remarks on the Family. By HENRY WALTER BATES, 
ee ee a E 
PART III.—18660. 
XI. On Hillebrandia, « New Genus of a ? Professor OLIVER, F.R.S., 
F.L.S., Keeper of the Kew Herbarium . . er s DIEU 361 
XII. On the Spicula of the Regular Echinoidea. By CHARLES STEWART, Esq. Com- 
OaE by Professor Huxn8¥; FLS LT kk. 968 
XIII. On some New British Polynoïna. By E. Ray LANKESTER, Esq. Communicated 
yd. FRERES, a PDS UM DOS Unes Daho S … 878 
XIV. On some points in the Anatomy of Echidna hystrix. By St. GEORGE Mrvanr, 
Esq., F.L.S., Lecturer on Comparative Anatomy at St. Mary's Hospital . . 379 
XV. On Circulation and the Formation of Wood in Plants. By HERBERT SPENCER, Esq. 
Communicated by GEORGE BUSK, AN Malt NC Li x wo nu. A05 
XVI. On two New British Fungi. By the Rev. M. J. BERKELEY, M.A., F.L.S. . 431 
XVII. Lichenes Amazonici et Andini lecti a Domino SPRUCE. mt the Rev. W. A. 
Luumnom RA PENS O. S 0 SONA e Co IS 
XVIII. On Myostoma, a New Genus of the Burmanniaceæ. "i JOHN Miers, Esq., 
F.R.S. & L.S., Commend. Ord. Imp. Bras. Rose . . "ur d € e 
XIX. On the Development of Chloëon (Ephemera) dimidiatum. By Sir Joux LUBBOCK, 
Bart., F.R.S., V.P. Linn. Soc., Pres. Ent. Soc., V.P. Eth. Soc. e s . AT 
XX. Observations on New-Zealand Lichens. S W. LAUDER Lixpa&x, M.D., F.R.S. 
TA OG aa‘ iR qw a ea. IU08 
XXI. Contributions to a Natural History of the 'Teredidze. By E. PERCEVAL Wniamnr, 
M.D., A.M., Professor of Zoology, University of Dublin, FL. Sols: . 561 
