. Cincinnati quarterly journal of science. Science; Science -- Ohio. 232 Cyrtoceras VaJlandigliami—Bcyricliia Duryi. Cyrtoceras Vallandighami—(S. A. Miller).. Fig. 23—Cyrtoceras Vallandighavvi. Shell rather stronglj^ curved. Section nearly circular, the dorso- ventral diameter a little longer than the lateral, occasioned by an oval prolongation for the siphuncle on the dorsal margin. Surface smooth so far as observed. Siphuncle small and in contact with the shell on the dorsal side. The specimen figured has 19 septa; length in a direct line on the dorsal side, |§ inch ; ventral side, f-§ inch;


. Cincinnati quarterly journal of science. Science; Science -- Ohio. 232 Cyrtoceras VaJlandigliami—Bcyricliia Duryi. Cyrtoceras Vallandighami—(S. A. Miller).. Fig. 23—Cyrtoceras Vallandighavvi. Shell rather stronglj^ curved. Section nearly circular, the dorso- ventral diameter a little longer than the lateral, occasioned by an oval prolongation for the siphuncle on the dorsal margin. Surface smooth so far as observed. Siphuncle small and in contact with the shell on the dorsal side. The specimen figured has 19 septa; length in a direct line on the dorsal side, |§ inch ; ventral side, f-§ inch; diameter, large end, from ventral to dorsal side, f i inch ; small end, i^ inch ; length of septa on the dorsal side, at large end, -g^ inch; small end, -^-^ inch. The chamber of habitation has been broken from the large end, and has not been observed in other specimens. The specific name is given in honor of Mr. George Vallandigham, of Cincinnati, an active collector, who found the specimen near the top of the hills at Cincinnati, Other collectors have found fragments and inferior specimens, but it may be regarded as an extremely rare sjjecies. Beyrichia Duryi—(S. A. Miller).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Cincinnati, S. A. Miller


Size: 1725px × 1449px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookcollecti, bookdecade1870, booksubjectscience