H. Woodward — Anthrapalcemon from M. Coal-measures. 365 



with minute tubercles and fine anastomosing lines (see Fig. lb), one 

 rather larger tubercle than the rest occupying each interspace between 

 the lines. 



When compared with the beautiful series of figures given in 

 Dr. P>. 1ST. Peach's monograph of the Higher Crustacea of the 

 Carboniferous Rocks of Scotland l we find no fewer than seven figures 

 on plate iv devoted by Dr. Peach to the illustration of Anthrapalcemon 

 Grossarti = Russellianus (Salter), the species to which our specimen 

 (here figured) is most closely related. 



Fig. 1. Carapace of Anthrapalcemon Grossarti = Russellianus, var. Holti. 

 Coal-measures : Sparth, near Kochdale. Obtained by Mr. Fred Holt. 



Of these, 1 figs. 1, 4, 6, 7 (pi. iv, op. cit.), being views of the carapace, offer the 

 best illustrations for comparison with our Sparth specimen. 



Fig. 2 shows a carapace, partly decorticated, but having its lateral border 

 nearly entire, with about eighteen serrations along its margin and exposing wide 

 sternites and row of plates with gills and other organs. 



Fig. 3 gives a side-view of the same species, showing endopodites and 

 exopodites of trunk-limbs and gills attached to their bases; the eyes, antennules, 

 and antennEe with rounded scales at bases of same. 



Fig. 4 gives an excellent profile of another carapace of this species with the 

 rostrum and hepatic spines preserved. 



Fig. 5 shows four segments of the abdomen with terminal lobe (pygidium) and 

 pleopods partly preserved. 



Fig. 6 represents a complete carapace with abdomen attached (slightly 

 displaced), showing pygidium and pleopods preserved. 



Fig. 7, like fig. 1, shows a detached carapace (A. Russellianus, var. 

 spinulosus) . 



It will be observed that in figs. 1, 2, 4, and 7, in which the carapaces 

 of A. Grossarti— Russellia?ius are drawn, Dr. Peach shows that the 



1 See Mem. Geol. Surv. Great Britain, Palceontology , 4to, Glasgow, 1908, in 

 which his previous memoirs (Trans. Boy. Soc. Edinb., 1882 and 1883) are 

 incorporated (pp. 82, pis. i-xii). 



