




130 SILURIAN. 
Cee Reference to McCoy’s N a Ref : Ob P ate 
aay Gyrlonnis and ioures of Genera: ames an eferences ; servations, &c. Numbers and Localities. 
CRUSTACEA Trilobita. 
Lichas, Dalm. Almost as curiously constructed 
as Acidaspis, and apparently a close ally. 
The lobes of the glabella are reversed, as 
to size, from the usual plan. 
FC Lichas scutalis, Salter MSS. (L. verrucosus, | a. 954, Malvern, Wenlock 
Salter, Mem. Geol. Surv. Vol. 11. Pt. 1, pl. 8, | Shale, Dudley, F.C. 
fig. 7, not Eichwald). 
FC Lichas Salteri, Fletcher (Quart. Journ. Geol. | a. 953, Dudley, F.C. 
Soc. Vol. vi. t. 27, fig. 9, p. 237). 
FC Lichas Grayii, Fletcher and Salter (ib. Vol. vi. | b. 26, b. 27, figured speci- 
Gc6 p. 237, t. 27, fig. 8). mens, a. 699, Dudley, F.C. 
FC Lichas hirsutus, Fletcher and Salter (ib. Vol. | a. 961—a. 965, Dudley, 
VI. p. 236, t. 27, figs. 6, 7). HC: 
FC Lichas Barrandii, Fletcher and Salter (ib. Vol. | b.28, b. 29, figured, Dudley, 
VI. p. 238,t. 27, fig. 10. Siluria, 2nd ed. | F.C. 
Foss. 63, fig. 3). 
FC Acanthopyge, p. 151. Lichas anglicus, Beyrich, sp. (ib. t. 27, figs. | a.958, a.959, a. 960, good; 
Gd 1—5, Siluria, 2nd ed. Foss. 63, fig. 1). A | a. 955, figured, a. 956, 
most curious glabella, with puffed lobes like | a.957, Dudley, F.C. ; b.732, 
the cheeks of a baboon. Dudley. 
Cheirurus, Beyrich. A very natural group, 
allied to Phacops, and yet with affinities 
for Encrinurus, Cybele, &c. The tail is 
palmate; the body rings strongly sculptured. 
FC Ceraurus Williamsi, Cheirurus bimucronatus, Murch. (Salter, Mon. | a. 533, a. 534, figured speci- 

Paseo elo pa laD: 


Brit. Tril. t. 5, figs. 1—5, Siluria, 2nd ed. 
Foss. 64, fig. 4, pl. 3, fig. 5, pl. 19, figs. 10, 
11). 
Encrinurus, Emmrich. Clavate glabella, pe- 
dunculate eyes, and plain sub-cylindrical 
pointed body rings; tail of many joints. 

mens (Salter) in Decade 7, 
Geol. Surv. pl. 2, figs. 4—6, 
Dudley, F. C. 
