PLATE XII. 
Dalmanites (Odontocephalus) selenurus. 
Page 49. 
See Plate 11 b. 
Fig'. 1. All iiiijiei'fect cephalon. Drawn from Green’s cast No. 36 of the type specimen of CalymeJief 
odontocephala. 
Corniferoiis limestone. Ulster county. 
Fig-. 2. A larg-e, nearly entire individual, retaining the crust and normal proportions over the thorax and 
Xiygidium, but somewhat crushed about the head. 
Corniferous limestone. Aulmrn, Cayuga county. 
Fig. 3. An individual of medium size from which a portion of the head and thorax has been broken 
away, exposing the hypostoma in place. 
Corniferous limestone. WatervlUe, Oneida county. 
Fig. 4. A distorted and partially dismembered example, retaining the crust and the eyes. 
Corniferous limestone. Near Auburn, Cayuga co7inty. 
Fig. 5. A nearly eiitii-e cephalon drawn fi'oin an internal cast, retaining the eyes and showing the direc¬ 
tion of the facial sutures. Enlarged to two diameters. 
Fig. 6. Protile of the same, showing the elevation of the eye. 
Corniferous limestone. Canandaigua, Ontario county. 
Fig. 7. A cephalon, an impression of the interior, showing the casts of tubulipores on the aiitei'ior margin. 
Enlarged to two diameters. 
Corniferous limestone. Canandaig^ia, Ontario county. 
Fig. 8. Anterior view of a large, enrolled individual retaining a portion of the crust. 
Fig. 9. Posterior view of the same, the jiygiilium truncated by the breaking away of the caudal spines. 
Corniferous limestone. Schoharie, Schoharie coxonty. 
Fig. 10. A small, eni-olled individual from which the crust has been broken away. 
Fig. 11. Profile view of the same. The left eye of this specimen has been restored in the drawing. 
Corniferous limestone. Schohai'ie, Scdtoharie county. • 
Fig. 12. A portion of the cephalic boi'der, enlarged to three diameters, showing the shape of the denticu- 
lations and their strongly granulose anterior edges. 
Corniferous limestone. Lhne Mock, near LeRoy, Genesee coxmty. 
Fig-. 13. A block of decomposed chert, bearing two nearly entire individuals and portions of several others, 
all pi'eserved as internal casts. 
Corniferous limestone. Froxn a loose bouldex’ Jive miles south of Ovid, Seneca county. 
