PLATE XLV. 



Monograptus— contin tied. 

 Figs. 

 1 a—f. — Monograptus lobiferus (M'Coy). (Page 448.) 



1 a. Counter-impression of type specimen, figured M'Coy, Brit. Pal. Fossils, pi. i b, figs. 



3 aud 3 a. Moffat. Sedgwick Museum. 

 1 b. Narrower and more proximal fragment, figured Lapworth, Geol. Mag., 1876, pi. xx, 



fig. 1 a. Craigierig, S. Scotland. Birkhill Shales. Lapworth's Collection. 

 1 c. Long fragment, somewhat broken. Long Linn, Dobb's Linn. Upper Birkhill 



Shales. Files' Collection. 

 1 d. Wider distal fragment, irregularly flexed. Ibid. 



1 e. Proximal fragment, showing sicula, preserved in relief. Ten yards up stream from 



crest of anticline, N. of Fuches-gau Farmhouse. Castell Group. Geological 

 Survey of England and Wales. 

 1/. Broad fragment, with unusually strong concave curvature. Duffkhmel, above Glan- 

 hall, S. Scotland. Birkhill Shales. Geological Survey of Scotland, Edinburgh. 



- a — g. — Monograptus runcinatus, Lapworth. (Page 450.) 



2 a. Proximal fragment, in relief, showing sicula. Glenkiln Burn, S. Scotland. Upper 



Birkhill Shales. Lapworth's Collection. 

 2 b. Similar specimen, in low relief. River Twymyn, Llanbrynmair. Brymnair Beds. 



Wood's Collection. 

 2 c. Longer proximal fragment Glenkiln Burn. Upper Birkhill Shales. Lapworth's 



Collection. 

 2 d. Similar specimen. Ibid. 

 2 e. Lon^- and curved distal fragment, preserved as a low cast, figured Lapworth, Geol. 



Mag., 1871, pi. xx, fig. 4 c. Ibid. 

 "If. Rather more rigid specimen. E. side Upper Quarry, 30 yards E. of Fuches-gau 



Farmhouse. Geological Survey of England and Wales. 



2 g. Two specimens crossing one another. W. side Upper Quarry, 550 yards E. of 



Fuches-gau Farmhouse. Geological Survey of England and Wales. 



3 a — g. — Monograptus runcinatus, var. pertinax, Elles and Wood, nov. (Page 451.) 



3 a. Proximal fragment, showing sicula, preserved in relief. Gelli-dwyll Stream, below 



farmhouse, near Llanbrynmair. Brynmair Beds. Wood's Collection. 

 3 b. Similar specimen. On same slab as fig. 3 a. 

 3 c. Distal fragment, preserved mainly as a cast. Same locality. 

 3 </. Broader fragment, with slight curvature, preserved in relief. Ibid. 

 3 e. Long fragment imperfectly preserved. Ibid. 

 3/. Long fragment, probably referable to this variety. Buckholm Side, Galashiels. Gala 



Beds. Geological Survey of Scotland. 



3 g. Proximal fragment. Same locality as fig. 3 a and c. 



4 a — -/. — Monograptus BecJci (Barrande). (Page 452.) 



4 a. Typical specimen, figured Lapworth, Geol. Mag., 1876, pi. xx, fig. 2 a. Meigle 



Quarry, Galashiels. Gala Beds. Lapworth's Collection. 

 4 b. Similar specimen. On same slab as fig. 4 a. 

 4 c. Long curved distal fragment. Same locality as above. 

 4 d. Specimen with long tapering proximal portion. Portafeiry, Co. Down. Tarannon 



Beds. Swanston's Collection, Belfast. 

 4 e. Similar specimen. On same slab as fig. 4 d. 

 4f. Distal fragment. River Twymyn, near Llanbrynmair. Brynmair Beds. Wood's 



Collection. 



5. — Monograptus undulatus, Elles and Wood, sp. nov. (Page 432.) 



Specimen, showing sicula, preserved in relief. E. side of quarry, N.E. of Fagwr-fawr 

 Farmhouse, Pont Erwyd. Geological Survey of England and Wales. 



6 a — -/. — Monograptus crispus, Lapworth. (Page 456.) 



6 a. Type specimen, figured Lapworth, Geol. Mag., 1876, pi. xx, fig. 7 a. Meigle 



Quarry, Galashiels. Gala Beds. Lapworth's Collection. 

 6 b. Proximal portion. On same slab as fig. 6 a. 

 6 c. Proximal portion, showing sicula. Same locality as above. 

 6 d. Complete specimen, showing characteristic form of polypary. Tieveshilly, co. Down. 



Gala Beds. Lapworth's Collection. 

 6 e. Typical specimen. Portaferry, Ireland. Belfast Natural History Museum. 

 6/. Large fragment. Same locality as fig. 6 d. 



