302 
Specimen No. 
Fossils, with remarks. 
2493 
Mudstone with an impression of Orthis (Dalmanella ) sp. ; 
an internal cast of a bivalve, indet. ; a mould of the 
articular facet of a crinoid columnar ; several examples 
of Beyrichia maccoyiana Jones, var. australice 
Chapm. ; and casts of Phacops sweeti Eth. fil. & 
Mitch. 
2494 
Crinoidal limestone with corals, including Columnaria 
(I.) cresswelli. Three young examples on this slab, 
showing the form of the corallum (see Notes). 
2495 
Mudstone with obscure fossils, and portion of the pygi- 
dium of a large specimen of (?) Bronteus cf. enormis 
Eth. fil. (see Notes). 
2497 
An impure cherty mudstone with pyrites crystals. No 
fossils. 
2505 
A crinoidal limestone. A section of a gasteropod of 
indeterminate character seen on the surface. 
2505> 2 5 °h 
2 5 : 5 
2508 
Mudstone with impressions of crinoid stems, indet. 
Mudstone with impressions of crinoid stems and a cast 
of Orthis (Schizophoria) sp. 
2512 
Mudstone with impressions of brachiopods, (?) Stro- 
pheodonta. 
2518 
2519 
Mudstone; no determinable fossils. 
Mudstone showing the pygidium of a trilobite 
( ?) Phacops and an external mould of a rhynchonellid, 
indet. 
Age.—Silurian (Yeringian). Limestones and mudstones. 
From Howe’s Creek Quarry, Loyola, near Mansfield. 
(Nos. 2496, 2498-2504, 2506, 2509-n, 2513, 2514.) 
Collected by W. H. Ferguson. 
Specimen No. 
Fossils, with remarks. 
• 
2496 
2498 
Mudstone, with a fragment of (?) Phacops sp. 
Mudstone, with casts of Styliola jissurella J. Hall, var. 
multistriata Chapm. ; also internal cast of ( })Ortho- 
2499, 2501, 
2502, 2504, 
and 2506 
2500 
2503 
2509 
ceras. 
Mudstone, with casts of (?) Orthoceras sp. 
Mudstone, with cast of a fenestellid, indet. 
Mudstone, no fossils. 
Impression of valve of imbricated var. of Atrypa reticu¬ 
laris , sp., in mudstone. 
2510 
Leptoena rhomboidalis , Wilckens sp. ; and a cast of a 
(?) monticuliporoid in mudstone. 
2511 
2513 
2 5 1 4 
Cast of a gasteiopod, indet., in shale. 
Cast of a brachiopod, including Orthis (Dalmanella ) sp. 
Cast of (?) Feptcena rhomboidalis in mudstone. 
Age.—Silurian (Yeringian and younger). Near the horizon of the slates 
and mudstones of the Matlock District. 
