202 ROYAL SOCIETY OF CANADA 



Plate III. 



Fig. 1. — PtychojKiria Hmbata, n. sp.— a. Middle piece of the head-shield— 6. Same 



in profile— c. Movable cheek— d. Pj-gidium found with this species. All 



Mag. f. From conglom-limestone. Div. ld'\ Hastings Cove. See p. 180. 

 Fig. 2.—Ptycfi02Jaria Adamsi, var.—a. Middle piece of the head-shield— 6. Pygi- 



dium found with this species. Both Mag. ■}. From conglom-limestone. 



Div. ld\ Hastings Cove. See p. 182. 

 Fig. Z.—Solenopleura arenosa, var. angilimhata, n. var.—a. Middle piece of the 



head-shield. Mag. f. From dark siliceous shale. Div. Id^, Hastings Cove. 



See p. 183. 

 Fig. 4. — Soleno2)leura Bobbii, Hartt., sp. var. pft?-ra — a. Middle piece of the head 



shield. Mag. f—b. Same in profile. Conglom-lijnestone (also siliceous 



shale). Div. kZ», Hastings Cove. See p. 183. 

 Fig. ô,—Anomocare magnum, Brogg. (?) var.—a. Middle piece of the head-shield.— 6. 



Movable cheek found with this species. — c. Another movable cheek.— rf. 



Pygidium found with this species. All of these Mag. f.— e larger pygidium 



with lateral spines. Nat. size. All from conglom-limestone. Div. Id"', 



Hastings Cove. See p. 184. 

 Fig. 6.—Dolichometopus Acadicus, n. sp.— a. Middle piece of the head-shield.— 6 



Same in profile.— c. Movable cheek, supposed to belong to this species.— rf. 



Pygidium supposed to be of this species. All Mag. f. From conglom-Iin:e- 



stone. Div. ld"\ Hastings Cove. Seep. 185. 

 Fig. 7. — Dolicho7netopus Suecicus, Aug.— a. Figure of the type specimen in the 



State Museum, Stockholm. Drawn by G. Liljevall, artist of the museum. 



From the Andrarum limestone, Sweden. See p. 185. 



Plate IV. 



Fig. l.—Dorypyge Wasatchens is, Hall & W. sp. var. Acadica, n. var.— Pygidium, 

 Nat. size. From conglom-limestone. Div. If?''. Hastings Cove. See p. 188. 



Fig. 2.—Do7'yi)yge quadriceps. Hall & W. sp. Middle piece of the head-shield, after 

 Walcott. Mag. f.— 6. Same in profile.— c. var. valida., n. var. Pygidium. 

 Mag. f.— cZ. Same in profile. The pygidium from conglom-limestone. Div. 

 Id", Hastings Cove. See p. 189. 



Fig. 3. — Dory2)yge horrida, n. sp.— a. Pygidium. Mag. \. — b. Same seen in pro- 

 file. (The marginal spines are not so much upturned as they are repre- 

 sented to be in this figure). From conglom-limestone. (Also in phosphate 

 nodules). Div. \d^, Hastings Cove. See p. 190. 



Fig. i.—Bathyu7-iscus senectus. Bill. sp. Middle piece of the head. Mag. l.—a. 

 Same in profile, b. Pygidium found witli this head on the museum tablet. 

 From limestone containing Olenellus 7'ho)iipsoni, at Anse au Loup, Labra- 

 dor. See p. 196. 



'Ei^. ô.—Dorypyge jyarvula. Bill. sp. Middle piece of the head-shield. Mag. \.—a. 

 Same in profile. — b. Pygidium found with same on museum tablet. Mag. 

 \.—ôc. Same in profile. Same horizon at Anse au Loup. Seep. 197. 



Fig. 6. — Dorypyge pa7'vula, var. angifrons n. var. Middle piece of the head. Mag. 

 l.—a. Same in profile. From gray sandstone at Anse au Loup, Labrador (?) 

 See p. 197. 



Fig. 7. — Conocephalites miser. Bill. Middle piece of the head-shield. Mag. f. — a. 

 Same in profile. From limestone with Olenellus Thompsoni at Anse au 

 Loup, Labrador. See p. 200. 



