PLATE XL1V. 

 Monograptus — continued. 



Figs. 



1 a, b. — Monograptus Jaekeli, Perner. (Page 435.) 



1 a. Distal fragment, with concave curvature. Builth Road, near 

 Builth. Wenlock Shales (zone of Cyrtog. Linnarssoni). Elles' 

 Collection. 



1 h. Distal fragment, with convex curvature. Ibid. 



2 a — d. — Monograptus scauicus, Tullberg. (Page 433.) 



2 a. Specimen showing characteristic curvature, figured Wood, 



Quart. Journ. Geol. Soc, vol. lvi, pi. xxv, fig. 25 a. 



Aberedw Hill, near Builth. Lower Ludlow Shales. Wood's 



Collection. 

 2 6. Distal fragment, figured Wood, loc. cit. supra, fig. 25 b. Ibid. 

 2 c. Small proximal fragment. Elton-Ludlow Road, near Ludlow. 



Lower Ludlow Shales. Wood's Collection. 



2 d. Long distal fragment. Lletygynfach, Long Mountain. Lower 



Ludlow Shales. Lap worth's Collection. 



3 a — c- — Monograptus crinitus, Wood. (Page 435.) 



3 a. Type specimen, figured Wood, loc. cit. supra, pi. xxv, fig. 26 a. 



Lower Wilmington Lane, Long Mountain. Lower Ludlow 

 Shales. Wood's Collection. 

 3 b. Small fragment, figured Wood, loc. cit. supra, p. 481, fig. 23 c. 

 On same slab as fig. 3 a. 



3 c. Portion of slab, showing general habit. Lower Wilmington Lane. 



Long Mountain. Lower Ludlow Shales. Wood's Collection. 



4 a — e. — Monograptus turriculatus (Barrande). (Page 438.) 



4 a. Typical specimen. Swindale Beck, Knock, Edenside. Browgill 



Beds. Sedgwick Museum. 

 4 b. Specimen coiled in less regular spiral. Ibid. 

 4 c. Small typical specimen. Ibid. 

 4 d. Group of small specimens, flattened from above into a plane 



spiral. Ladhope, Galashiels. Gala Beds. Geological Survey 



of Scotland. 



4 e. Large, but imperfect, specimen. Bargany Pond Burn, 2| miles 



W. by S. of Dailly, Ayrshire. Gala Beds. Geological Survey 

 of Scotland. 



5 a — d. — Monograptus discus, Tornquist. (Page 439.) 



5 a. Large specimen, with open whorls. Portaferry, Co. Down. 



Tarannon Beds. S-wanston's Collection, Belfast. 

 5 b. Similar specimen. Pen-y-geulan, near Llanbrynmair Station. 



Gelli Beds. Wood's Collection. 

 5 c. Group of small specimens, preserved as casts. Bryn-yr-odin, 



near Llangollen. L. J. Wills' Collection. 

 5 d. Small, but typical, specimen. Meigle Quarry, Galashiels. Gala 



Beds. Lap worth's Collection. 



<3. — Monograptus tortilis, Linnarsson. (Page 440.) 



Distal fragment. Sedbergh, Yorkshire. Browgill Beds. Sedgwick 

 Museum. 



