List of I/lustrations in the Te.rt. 



son, and ur 



opods) 



Follicipcs aalensis, Richardson, sp. nov. 



Section across the Gavarnie overthrust . 



Map of Gavarnie District, Pyrenees .... 



Structm-e of the lower part of the Pic de Mourgat . 



Pr(sa»nspides prcecur.ior, H. "Woodw., gen. et sp. nov. 



Prxanaspides precursor, H. Woodw. . 



Prceanaspidcs prmcmsor, H. Woodw. (abdominal segments, tel 



GaiHpttonyxfimbrintus, Jordan & v. Meyer . 



Acmifhotelson stimpsoni, M. & W. 



Palceocaris typus, M. & W. .... 



Anaspides tusmanice, G. M. Thomson ... 



Sketch-map of the Geology of Forfarshire 



Map of outlier of Upper Old Red Sandstone, Arbroath 



Diagram of increasing temperature 



Sketch-section through middle of South Africa 



Hipponyx dibleyi, Sherborn, n.sp. (Figs. 1, 3), White Chalk, Cuxtou, Kent . 



Hipponyx blaclcmorei, Sherborn, n.sp. (Fig. 2), Chalk, East Harnham, 

 Salisbury . 



The Hooghly River below Calcutta 



Continuation of the Hooghly River 



The River Exe (Topsham to Exmouth) . . 



Diagrams of rivers with stable channels ....... 



Loricula Barwini, H. Woodw., sp. nov.. Middle Chalk, Rochester 



Loricula pulchella, var. minor (after Fritsch) ...... 



Sketch-map, Petrography of Egypt 



Woodcut, Glen Roy 



Page-map of part of Oxfordshire 



Subvective skeleton of Lebetodisciis Dicksoni ....... 



Cycliis simulans, F. R. C. Reed, sp. nov. ....... 



Ideal section through Yredefort Massif from Parys, W.N.W. 



Pennanent magnet with adjustable poles 



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