. College collection of palaeontology. No. 164. Pliacops bufo (Var. rana.). Green. Head and Tail. Trilobites of the genus Phacops have very large, prominent, granulated eyes, forming a segment of a cone, distinct trilobation, and eleven body-rings. This species, the Calymene macropthalma of Brongniart, and perhaps identical also with the Phacops latifrons of Bronn, has a very convex head, occupying one-third of the whole length, a tuberculated glabella, and the eleven pleurae bent down at the extremities. There are 66 lenses in each eye. These specimens are from the Hamilton Group (Devonian),
. College collection of palaeontology. No. 164. Pliacops bufo (Var. rana.). Green. Head and Tail. Trilobites of the genus Phacops have very large, prominent, granulated eyes, forming a segment of a cone, distinct trilobation, and eleven body-rings. This species, the Calymene macropthalma of Brongniart, and perhaps identical also with the Phacops latifrons of Bronn, has a very convex head, occupying one-third of the whole length, a tuberculated glabella, and the eleven pleurae bent down at the extremities. There are 66 lenses in each eye. These specimens are from the Hamilton Group (Devonian), Otisco, N. No. 165. [445, Cast]. Proetus longicaudns, Hall. In this genus, the eyes are of a moderate size, very prominent, smooth, and joined rather closely to the glabella; and the body has ten segments. This speci- men (coiled) is from the Hamilton Group (Devonian), 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 Ward's Natural Science Establishment, inc. Rochester
Size: 1432px × 1745px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1900, bookyear1901
