H. Woodwm^d's Report on Fossil Crustacea. 563 



ieEii=OE,TS j^isTiD :PI^oo:E3:E]lDII<^C3-s. 



British Association, Section C, Geology. 

 Sixth Eefoet of the Combiittee appointed for the puepose of 

 continuing Eeseakohes in Fossil Crfstacea — consisting of 

 Prof. P. Martin Duncan, F.E.S. ; Henbt Woodward, F.G.S. ; 

 and Koreei Etheridgb, F.E.S. 



Drawn up by Henry "Woodward, F.G-.S., etc. 



SINCE I had the pleasure to present my last Eeport, at Edinburgh, 

 I am glad to be able to state that two entire parts (Parts III. and 

 IV.) of my Monograph on the Merostomata have been printed ; and 

 form part of the volumes of the Palseontographical Society's annual 

 fasciculus for 1871 and 1872 respectively. 



Part III, completes the genus Pterygotus, and contains descriptions 

 and figures of 



Feterygotus raniseps, Upper Silurian, Lanark. 



taurinus. Upper Silurian, Herefordshire. 



ludensis. Old Eed Sandstone, Kington, Herefordshire^ 



Banhsii, Upper Ludlow, Ludlow. 



stylops. Upper Silurian, Kington, Herefordshire. 



arcuatus. Lower Ludlow, Leintwardine. 



gigas. Bo wnton Sandstone, Hereford. 



probletnaticus. Upper Ludlow, Ludlow. 



SUmonia acuminata. Upper Silurian, Lesmahagow. 



Part IV. completes the sub-order Eurypteeida, and contains 

 descriptions and figures of the following genera and species : — 



Stylonurus Fowriei. Old Red Sandstone, Forfar. 



• megalops. , , Ludlow. 



Symondsii. „ Rowlestone, Herefordshirei 



ensiformis. „ Forfar. 



Scoticus. ,, ,,, 



Logani. Upper Silurian, Lanark. 



Eurypterus Scoiileri. Carboniferous Limestone, Eirkton,. Bathgate. 



lanceolatus. Upper Silurian, Lanark. 



pygmceus. Upper Ludlow, Kington. 



acuminatus. ,, Ludlow. 



linearis. ,, ,, 



abhreviatus. Downton Sandstone, Kington. 



Hibernicus. Old Eed Sandstone, Ireland. 



Brewsteri. „ Arbroath. 



scorpioides. Upper Silurian, Lanark. 



punctatus. Ludlow Rock, near Ludlow. 



obesus. Upper Silurian, Lanarlishire. 



Brodiei. ,, H erefordshire. 



Hemiaspis limidoides. Upper lAidlow, near Ludlow. 



speralus. Lower Ludlow, ,, 



horridus. Wenlock limestone, Dudley. 



Salweyi. Upper Ludlow, Ludlow. 



Two doubtful species of Eurypterus, namely, E. mammatus, fi-om 

 the Coal-measures near Manchester, and E. ferox, Coal-measures, 

 Coalbrookdale, and Staffordshire Coal-field, have been examined 

 critically; and with regard to E. mammatus, I have also had the o-reat 

 advantage of the assistance, and rare palseobotanical knowledge, of 

 my colleague, Mr. "W. Carruthers, F.E.S. 



