HIND : NEW CARBONIFEROUS NAXTTILOIDS. 109 
Fig. 2. — Glyphioceras vesicuUfer, from the limestone of Elbolton, 
Cracoe, Yorkshire. My collection, p. 106. 
Fig. 2a. — Glyphioceras vesicuUfer. A view of the periphery and 
sutures, with 2b the suture line. 
Fig. 3>. — Cyclonautilus umhilicatus. A specimen from the roof of 
the Bullion Coal, Burnley. In the collection of the 
Manchester Museum, p. 101. 
Fig. 3a. — Cyclonautilus umbilicatu^ . A view of the periphery and 
body chamber. 
Fig. SB.r — Cyclonautilus umbilicatus. The suture line. 
Plate VII. 
Fig. 1. — Apheleceras latum ; 4 Laws Limestone, Redesdale. 
Viewed from the side showing the chambers. My 
collection, p. 102. 
Fig. 2. — Apheleceras latum. View of the periphery. 
Fig. 3. — Apheleceras latum. The suture line. 
