196 RESEARCH IN CHINA. 



a gentle and nearly uniform curvature from side to side ; on one specimen three pairs 

 of glabcllar furrows are very faintly indicated ; the sides of the glabella arch slightly 

 inward between the base and the rounded front; occipital furrow shallow, rounded, 

 slightly separating from the glabella a very slightly convex occipital ring; dorsal 

 furrow narrow but distinctly marked. 



Fixed cheeks a little less than one-half the width of the glabella and nearly flat ; 

 they merge into the furrow within the palpebral lobe, and posteriorly slope gently 

 downward to the posterior margin; palpebral ridges low, rounded, and merging 

 into the flattened palpebral lobes; in front of the palpebral ridges the cheeks are 

 interrupted by an obliquely transverse ridge that extends subparallel to the palpe- 

 bral ridge to the front of the glabella, where it merges into the frontal limb; frontal 

 limb very narrow, sloping rather abruptly downward from the dorsal furrow to a 

 narrow furrow separating it from a broad, slightly downward-sloping, nearly flat 

 frontal rim ; postero-lateral limb short and marked by a shallow furrow parallel to 

 the posterior margin. 



vSurface minutely punctate under a strong lens. 



The largest cephalon of this species has a length of 18 mm., with a width at the 

 palpebral lobes of 19 mm. 



This large species differs from other forms by the very narrow frontal limb and 

 the flat, downward-sloping frontal rim. 



A pygidium associated with the cranidium of this species is provisionally 

 referred to it [plate 20, fig. K]; also a somewhat similar pygidium [fig. ib] from 

 Locality 04, and a hypostoma [fig. ia] from Locality 02. The three localities 

 (Cl, C2, and 04) are in the same faunal zone. 



I find that Anomocarclla coiitigua Walcott [1906, p. 584] was founded on frag- 

 ments of A. albion. 



Formation and Locality. Middle Cambrian: (01 and 02) Lower shale member 

 of the Kiu-lung group [Blackwelder, 19070, pp. 37 and 40 (part of the third list of 

 fossils), and fig. 10 (beds 4 and 5), p. 38], 2 miles (3.2 km.) south of Yen-chuang, 

 and (04) limestone nodules at the base of the lower shale member of the Kiu-lung 

 group [idem (second list of fossils), and fig. 10 (bed 4), p. 38], 3 miles (4.8 km.) 

 southwest of Yen-chuang, Sin-t'ai district; also (057), limestone nodules in the 

 lower shale member of the Kiu-lung group [idem (first list of fossils)], 3 miles 

 (4.8 km.) south of Kao-kia-p'u, and 4 miles (6.4 km.) north of Sin-t'ai-hien, Sin-t'ai 

 district, Shan-tung, China. 



Collected by Eliot Blackwelder. 



Anomocarella baucis Walcott. 

 Plate 20, Figures 2, 2d. 



Anomocarella baucis WALCOTT, 1905, Proc. U. S. Nat. Mus., vol. xxix, p. 55. (Described as a new 

 species essentially as below.) 



This species is represented by a single specimen of about one-half of the ceph- 

 alon, exclusive of the free cheeks. This specimen indicates a moderately convex 

 cephalon, somewhat longitudinally quadrilateral in outline. Glabella moderately 

 convex, with the sides converging slightly toward the front; surface apparently 

 free from furrows; occipital furrow broad, shallow, slightly curving forw r ard near 

 the center; occipital ring low, strong, and slightly convex; dorsal furrow shallow, 

 not clearly defined. 



Fixed cheeks a little more than one-half the width of the glabella, nearly flat 

 out to the elevated palpebral lobe and sloping with moderate rapidity to the po- 



