. The Quarterly journal of the Geological Society of London. um with left cheek flattened, and part of the-external cast of the doublure visible on the right [1832] : a, viewfrom above ; b, side view ; c, view from behind, with the convexity ofthe left cheek restored ; all X 2. 2. Fragmentary free cheek of a much larger individual with test partly preserved [1435] : referred with doubt to the species; natural size. 3. Internal cast of cranidium [1S28] : the left front and side are bent down, and buried in the rock; X 2. 4. Internal cast of fragmentary glabella [1440], referred with reserve to-
. The Quarterly journal of the Geological Society of London. um with left cheek flattened, and part of the-external cast of the doublure visible on the right [1832] : a, viewfrom above ; b, side view ; c, view from behind, with the convexity ofthe left cheek restored ; all X 2. 2. Fragmentary free cheek of a much larger individual with test partly preserved [1435] : referred with doubt to the species; natural size. 3. Internal cast of cranidium [1S28] : the left front and side are bent down, and buried in the rock; X 2. 4. Internal cast of fragmentary glabella [1440], referred with reserve to- P. ruguhsus Corda in Rep. Brit. Assoc. 1912 (Dundee). 5. Internal cast of fragmentary hypostoma [1449], with some portions- restored from the counterpart [1450] ; X 2. 6. Internal cast of termination of pleura [1454] ; X 2. 1 C. D. Walcott, Smithsonian Misc. Coll. vol. liii, no. 6, 1910. 2 Ibid. p. 315. 3 Ibid. p. 294. ?* Ibid. p. 299. 9 Geol. Foren. Stockholm Forhandl. vol. xxxii (1910) pt. 1, pp. Sver. Geol. Undersokn. ser. O, No. 229 (1910).. BeminscCollo, Derby. MIDDLE CAMBRIAN TRILOBITES FROM COMLEY (SHROPSHIRE). lb. Quart. Journ. Geol. Soc. Vol. LXIX, 2 b
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Keywords: ., bookcentury1800, bookdecade1840, booksubjectgeology, bookyear1845
