No. 473. New Series.— Decade IV.— Vol. X.— No. XI. Price Is. 6d. nett. 



THE 



GEOLOGICAL MAGAZINE 



anthlg Jaupal of (S^olagg. 



WITH WHICH IS INCORPORATED 



"THE GTEOLOGHST." 



EDITED BT 



HENRY WOODWARD, LL.D., F.R.S., F.G.S., &c. 



ASSISTED BY 



EGBERT ETHERIDGE, F.R.S., &c., WILFRID H. HUDLESTON, F.R.S., &c. 

 Dr. GEORGE J. HINDE, F.R.S., &c., and HORACE B. WOODWARD, F.R.S., &c. 



NOVEMBER, 1903. 



oonsTTiBisrars. 



I. Original Articles. page 



1. Orthocerata from North China. 

 ByG.C. Crick, F.G.S. (Plate 

 XXII and 3 Woodcuts.) 481 



2. On a Carboniferous Fish, Ustra- 

 canthtis. By A. S. "Woodward, 

 LL.D., F.R.S. (With lUustra- 

 tions.) 486 



3. The Hypostomic Eyes of Trilo- 

 bites. By W. K. Spencer, B.A., 

 F.G.S. (With 3 Illustrations.) 489 



4. Further Eemarks on Granite. By 

 Lieut.-GeneralC. A. McMahon, 

 F.E.S., F.G.S 492 



5. A new Stegocephalian Eeptile. 

 By E. Broom, M.D., B.Sc, 

 C.M.Z.S. (With 2 Illustrations.) 499 



6. A Pi'eglacial Beach in Co. Cork. 

 By H. B. Muff, B.A., and 

 W. B. Wright, B.A 501 



7. A Method of Estimating Specific 

 Gravities. ByW.MACKiE,M.A., 

 M.D 503 



II. Notices of Memoirs. 



1. Floras Past and Present. By 



A. C. Seward, F.E.S 504 



2. Dinosaurian Bones, S. Brazil. By 



A. S.Woodward, LL.D., F.R.S. 512 



3 . Carboniferous Acanthodian Fish. 

 By A. S. Woodward, LL.D., 

 F.E.S 512 



Notices of Memoirs — continued, page 



4. Laud- Shells in the Chalk-rubble 

 of Yorkshire. By G. W. Lamp- 

 lugh, F.G.S 513 



5. Dedolomitisation. By J. J. H. 

 Teall, M.A., F.G.S 513 



6. Fossil Flora of the Ardwick 

 Series. By E. A. Newell Arber, 

 M.A., F.L.S., F.G.S 514 



7. Fossil Floras of South Afi'ica. 



By A. C. Seward, F.E.S 515 



8. Local Disturbance of Beds. By 



G. W. Lamplugh, F.G.S 516 



9. Photographs of Geological In- 

 terest 517 



III. Eeviews. 



1. Geological Survey of Canada ... 519 



2. Laurentiau Eocks of Canada ... 522 



3. Tertiariesof San Pedro, California. 

 By E. Arnold ' ^_^^-., ^93 



4. Catalogue of the Gu^W^^IMu 

 seum ./^i^"^*^"-' "" ^h 



■^^ 



lY. CoRRESPONDENd 



1. John T. Stobbsjl 



2. J. Smith, Monki 



3. S. H. Warren, 



Y. Obituary. 



iding 525 



/{C,,..... 525 



1. Alphouse Fran9ois Eenard, For. 

 Memb. G.S 525 



2. John Alleu Brown, F.G.S. ... 527 



LONDON: DULAU & CO., 37, SOHO SQUARE. 



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^ The Volume for 1902 of the GEOLOGICAL MAGAZINE is ready 

 price 20s. nett. Cloth Cases for Bindicg may be had, price Is. 6d. nett. ' 



