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duff, [-ii} A. Hancock and R. Howse, zé7d., p. 557, pl. xxxviii, and 
Nat. Hist. Trans. Northumb. and Durham, vol. iv (1871), 
p. 221, pl. vi [lettered viii]; L. C. Miall, Rep. Brit. Assoc., 
1874 (1875), p. 187. 
Loc. Magnesian Limest. ; Midderidge, Durham. [Fragments 
of head and trunk ; Newcastle- upon-Tyne Mus. and Brit. 
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LEPTERPETON, T. H. Huxley, Trans. Roy. Irish Acad., vol. 
xxiv (Sci.), 1867, p. 362. 
dobbsai, [-ii] T. H. Huxley, 747d., p. 362, pl. xxi, f. 1, 2; [-ii] L. C. 
Miall, Rep. Brit. Assoc., 1874 (1875), p. 168. 
Loc. Coal-Meas. ; Jarrow, Ireland. [Skeleton ; Dublin Univ. 
Mus. ] T. 
LEPTOGNATHOSAURUS, T. P. Barkas. v. Anthracosaurus. 
elongatus, T. P. Barkas. wv. Anthracosaurus russelli. 
LOXOMMA, T. H. Huxley, Quart. Journ. Geol. Soc., vol. xviii, 1862, 
p- 293; L. C. Miall, Rep. Brit. Assoc., 1873 (1874), p. 225, 
pls. i, ii, and zdzd., 1874 (1875), p. 162. 
MIoGANobDus, R. Owen, Trans. Odontol. Soc., vol. v, 1867, 
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ORTHOSAURUS, T. P. Barkas, Coal Meas. Palzont., 1873, pp. 
61, 102. 
MEGALOCEPHALUS, T. P. Barkas, 707d, p. 69. 
? MACROSAURUS, T. P. Barkas, zdzd@., p. 58. 
? AMPHICCELOSAURUS, T. P. Barkas, zzd., p. 104. 
allmanni, T. H. Huxley, Quart. Journ. Geol. Soc., vol. xviii, 1862, 
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Nat. Hist. [4] vol. v, 1870, p. 374, and zdzd. [4] vol. vii, 1871, 
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| Field Club, 1875, p. 249, and Trans. N. Staffs. Inst. iiiaing 
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Mioganodus laniarius, R. Owen, Trans. Odontol. Soc., vol. v, 
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T. (Mioganodus.) 
Loxomma, T. P. Barkas, Coal Meas. Palzont., 1873, p. 71, 
f. 190. 
