298 Notices respecting Ne'w Books. 



down their middle ; the fifth or sixth articulation sun*ounded 

 by a double line of impressions. — Found in the sandstone of 

 Lea-brook quarry, near Wentworth, in Yorkshire. 



decoratiis. Stem arborescent; joints short, decreasing in 

 length towards the summit, where they form an enlarged blunt 

 head ; striae tuberculated at bottom close to the articulation ; 

 those of the head very broad. Pht/tolitJms sulcatus, Amer. 

 Phil. Trans. [Steinhauer ?] — Found imbedded both horizon- 

 tally and upright, in the Lea-brook quarry, Yorkshire, and 

 in many other places ; as also frequently in ironstone. 



FicoiDiTES. Sic7n with cicatrices ; cicatrices distant, de- 

 pressed, having a tubercle in the centre surrounded by a 

 hollow ; tubercles beai'ing leaves or spines. 



fiircatus. Cicatrices approximate, nearly of equal size ; 

 spines long, linear, forked. — Found imbedded in the shale of 

 the El-se-car new collieiy, in a horizontal and compressed 

 state. 



verrucosus. Tubercles of two sizes, surrounded by a hol- 

 low : leaves or spines jointed, foi'ked. — Phytolitlms verrucosus^ 

 Martin, Amer. Phil. Trans. [Steinhauer?] — Found in tlie 

 clay-bind incumbent on the sandstone, within a few feet of the 

 surface : traces of it are also found on the upper side of the 

 nine feet coal in the El-se-car mine. 



major. Stem with a spike up the centre ; cicatrices distant, 

 oval sides compi'essed against the tubercles ; tubercles oval at 

 the base with a longitudinal furrow at top. — Found in a sand- 

 stone quarry near Rotherham in Yorkshire, as also at Ci'ud- 

 ling near Stanley, in the same county. 



FiLiciTES, auct. Lcaf^ or frond, forming a flat surface, the 

 two sides of which are symmetric ; secondary rib simple or 

 forked. 



Osmunda. Leaflets broad, rather falcate ; rib single, 

 branched ; branches divergent, forked. — Found in shale in El- 

 se-car new colliery, and detached leaflets often occur in no- 

 dules of ironstone. 



trifoliatus. Leaf or frond tripinnate ; pinnae or lobes al- 

 ternate, with an odd one; leaflets ternate, lobes roundish, 

 convex. — Subgen. Sphenojtteris, A. Brongniart. — Found in 

 the shale of El-se-car new colliery, in that part of the mine 

 which is near Milton Furnace, but is not common. 



Miltoni. Leaf or frond tripinnate ; leaflets adherent to 

 the rachis ; fructifications in lines near the margin. — Same 

 locality as the last species. 



plumosus. Frond or leaf tripinnate, with an odd one ; 

 stipes wavy ; leaflets lanceolate, sessile. — Found imbedded in 

 the shale of El-se-car new colliery, in that part only which is 



situated 



