PIIILLIPSIA. 23 



Formation. — Carboniferous Limestone. 



Localities. — Bolland, Yorkshire ; Derbyshire ; Tyrone, Ireland ; Lennoxtown, 

 Campsie; Newfield Quarry, High Blantyre, Lanarkshire; Gateside, Beith; 

 Auchenskeith and Bowertrapping, near Dairy ; Robroyston, near Glasgow ; 

 Auchenbeg, near Lesmahagow; Capelrig, B. Kilbride; Gair, Carluke; Boghead, 

 near Hamilton, Scotland. 



6. Phillipsia EiCHWALDi, var. mucronata, M'Coij, 1844. PI. IV, figs. 1, 3, 12, 



and 15. 



AsAPHTis CAUDATU9, BucTcland. Bridg. Treat., vol. ii, p. 74, pi. 46, fig. 11, 1836. 



Otaeion Eichwaldi, Eichwald. Die Thier- und Pflanzenreste des Gouvern. Nov- 

 gorod, p. 4. (Bullet, scientif. de St.-Petersb.), 

 1840. 



Phillipsia mttceonata, M'Coy. Synop. Carb. Poss. Ireland, p. 162, tab. 4, fig. 5, 



1844. 

 — Eichwaldi, Verneuil. Geol. de Eussie, vol. ii, p. 376, tab. xxvii, fig. 14, 

 1845. 



Gbiffithides Faenensis, O. Tate. Proc. Berwick Nat. Club, p. 234, 1856. 



— Eichwaldi, Eichwald. Letbsea Eossica, Format, anc, p. 1435 ; Atlas, 



pi. liv, fig. 10, 1860. 



— (or Phillipsia) Eichwaldi, Salter Sf Woodw. Cat. and Chart Foss. 



Crust., p. 16, fig. 116, 1865. 

 Phillipsia muceonata, M'Oller. Ueber die Trilob. der Steinkohl. des Ural, &c. 



Bull, de la Soc. Imp. des Nat. de Moscou, 

 No. 1, p. 121, 1867. 

 Gbiffithides muceonatus, Traquair. Journ. Eoy. Geol. Soc, Ireland, Dublin, pp. 



213—218 ; and Plate, figs. 1—7, 1869. 

 — — H. Woodw. Cat. Brit. Foss. Crust., p. 37, 1877. 



In this variety mucronata, the only difference we have been able to detect is 

 in the pygidium, in which the posterior border instead of being rounded, as in Fh. 

 Eichwaldi^ is produced into a short blunt mucro. 



Formation. — Carboniferous Limestone. 



Localities. — Beadnell, Northumberland ; Settle, Yorkshire ; Wilkieston, Fife ; 

 Gallowhill, Strathavon ; Swindridge and Bowertrapping, near Dairy ; Caaf "Water, 

 Linn. ; Dairy ; Garple Water, Muir-kirk ; Sculliongour, near Lennoxtown, 

 Campsie; Scotland. 



Subjoined is the original description of Griffithides mucronatus by Prof. M'Coy, 

 given in 1844.^ 



*' Specific Characters. — Pygidium semi-elliptical, terminating posteriorly in a 



^ See • Syn. Carb. Foss. Ireland,' p. 162, pi. iv, fig. 5. 



