PLATE XXVII. 



ClimaCOgraptuS— continued. 



PIGS. 



1 a— g. — Climacograptus minimus (Carruthers). (Page 191.) 



1 a. Complete specimen. Mount Benger Burn, S. Scotland. Hartfell Shales (zone of 



Fleurog. linearis). Lapworth's Collection. 

 1 b. Smaller specimen. On same slab as fig. 1 a. 

 1 c. Wider fragment. On same slab as figs. 1 a and 1 b. 

 1 d. Distal fragment, showing virgular tube. D.>bb's Liun (zone of P. linearis). Elles' 



Collection. 

 1 e. Complete specimen, showing proximal end. Ibid. 

 1 /. Long specimen. Ibid. 



1 g. Smaller specimen. Ibid. 



2 a — f. — Climacograptus brevis, Elles and Wood, sp. nov. (Page 192.) 



2 a. Typical specimen, reverse view, showing sicula. Gwern-y-fed-fach, Builth. Llandeilo 



Beds. Sedgwick Museum. 

 2 b. Specimen on same slab as fig. 2 a. 

 2 c. Smaller specimen. Ibid. 

 2 d. Complete specimen. Ibid. 



2 e. Young specimen, obverse view, showing sicula. Dobb's Linn. Hartfell Shales (zone 



of Pleurog. linearis). Elles' Collection. 

 2/. Dorsal view of wide specimen. Gwern-y-fed-fach, Builth. Llandeilo Beds. Elles' 

 Collection. 



3 a—li. — Climacograptus lotus, Elles and Wood, sp. nov. (Page 204.) 



3 a. Typical specimen, obverse view. Main Cliff, Dobb's Linn. Upper Hartfell Shales 



(zone of Dicellog. anceps). Elles' Collection. 

 3 b. Ibid. Wood's Collection. 

 3 c. Small specimen. Ibid. Elles' Collection. 

 3 d. Wide distal fragment. Ibid. Wood's Collection. 

 3 e. Small specimen. Ibid. 

 3/. Larger specimen. Ibid. 

 3 g. Small narrow specimen, reverse view. Ibid. Elles' Collection. 



3 h. Larger specimen, doubtfully inferable to this species. Ibid. Wood's Collection. 



4 a — e. — Climacograptus antiquus, Lapworth. (Page 199.) 



4 a. Typical specimen. Black Linn, Gleukiln. Glenkiln Shales. Lapworth's Collection. 

 4 b. Large but incomplete specimen. Ibid. 



4 c. Narrower specimen. Kirkmichael Burn, S. Scotland. Glenkiln Shales. Lapworth's 



Collection. 

 4 d. Specimen with prominent proximal spines. Oak Wood, Pontesford, Shropshire. 



Lower Bala. Lapworth's Collection. 



4 e. Ibid. 



5 a—f. — Climacograptus antiquus, var. lineatus, Elles and Wood, nov. (Page 201.) 



5 a. Small but complete specimen. Craigmichan Scaurs, S. Scotland. Upper Glenkiln 



Shales (zone of Dicellog. patulosus). Lapworth's Col'ection. 

 5 /;. Distal fragment. Ibid. 

 5 c. Long distal fragment, narrowed by compression. Llanystwmdwy. Dicranograptus 



Shales. Sedgwick Museum. 

 5 d. Proximal end of specimen preserved in scalariform view. Ibid. 



5 e. Distul fragment. Ibid. 



5/. Distal fragment, not distorted. Ibid. 



6 a — d. — Climacograptus antiquus, var. bursifer, Elles and Wood, nov. (Page 201.) 



6 a. Typical specimen. Kirkmichael Burn, Dumfries. Glenkiln Shales. Lapworth's 



Collection. 

 6 b. Smaller specimen, showing distal prolongation of the virgula. On same slab as 



fig. 6 a. 

 6 c. Specimen showing proximal end and sac. On same slab as figs. 6 a and 6 b. 

 <5 d. Small specimen with large sac. Same locality as figs. 6 a — c. 



