. Annual report. New York State Museum; Science; Science. Dalmanites. A series of cephala showing the varialion in the frontal border from the normal type. Hausmannia or Odontochile, to the Probolium condition. ? Hausmannia (Odontochile) with smooth border and complete glabellar lobation ; late Siluric and early Devonic. 2D gavcyi. with short, angular frontal projection; early Devonic, Grande Greve limestone. 3 D- g ^ i f f " '. «"h spatulatc snout- crly Devonic, St Alban beds. 4 D. Ion gicau d a t us Salter, with narrow prorate snout. (Wenlock). 5 D. (Probolium) beyrichi Kayser; ear
. Annual report. New York State Museum; Science; Science. Dalmanites. A series of cephala showing the varialion in the frontal border from the normal type. Hausmannia or Odontochile, to the Probolium condition. ? Hausmannia (Odontochile) with smooth border and complete glabellar lobation ; late Siluric and early Devonic. 2D gavcyi. with short, angular frontal projection; early Devonic, Grande Greve limestone. 3 D- g ^ i f f " '. «"h spatulatc snout- crly Devonic, St Alban beds. 4 D. Ion gicau d a t us Salter, with narrow prorate snout. (Wenlock). 5 D. (Probolium) beyrichi Kayser; early Devonic. Hartz. 6 D. (Probolium) galloisi Oehlert; early , Angers. 7 D. (P.) nasutus Conrad, with extended bifurcate snout; Devonic, Helderbergian, N. Y. 8 D. (P.) esnoufi, in which the trunk of the bifurcate snout is suppressed; early Devonic, Grande Greve limestone. 9 D- ^P) tridens Hall, with produced snout having a spatulate trifid extremity; early Devonic, , N. Y. .0 Idem. The usual trifid type of extremity. 11 D. (P .) b i ard i. with short, deeply trifid snout and crenulated antelateral limbus ; early Devonic. 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 New York State Museum. Albany : University of the State of New York
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectscience, bookyear1902
