. Annual report of the regents of the university of the state of New York on the condition of the State Cabinet of Natural History and the historical and antiquarian collection annexed thereto. FigFigFio Fio Fio Pemphigaspis bulla^a. 8. The upper surface.,4. The lower surface. , 5. Profile view from the posterior figures are six times enlarged. Amphion? The glabella and part of one fixed cheek. The figure is four times enlarged. CONOCEPHALITES OPTATUS.,7. The glabella and part of fixed cheeks : six times enlarged. EXPLANATION OF PLATES. 195 PLATE V A. y DlCTYOPHYTON R
. Annual report of the regents of the university of the state of New York on the condition of the State Cabinet of Natural History and the historical and antiquarian collection annexed thereto. FigFigFio Fio Fio Pemphigaspis bulla^a. 8. The upper surface.,4. The lower surface. , 5. Profile view from the posterior figures are six times enlarged. Amphion? The glabella and part of one fixed cheek. The figure is four times enlarged. CONOCEPHALITES OPTATUS.,7. The glabella and part of fixed cheeks : six times enlarged. EXPLANATION OF PLATES. 195 PLATE V A. y DlCTYOPHYTON REDFIELDI. This figure represents the opposite side of the specimen shown on Plate v. .,ael Sw^iiuton. lith., EXPLANATION OF PLATES. 197 PLATE VI. _ LiNGULA MOSIA. [^ < / t ^ Figs. 1, 2, 3. Varieties of form referred to tliis species, from 3 a. a broadly ovate form of this species? from Stillwater. LiNGULA AURORA. A . / 1 (/f Fig. 4. A specimen showing the two valves slightly displaced.«« 5. A larger individual, probably the ventral valve, which is truncated atexiremitv. LiNGULA AURORA, iff?. ^ ^ Fig. 6. The exterior of this form, which is more nearly elliptical than the prec« 7. A cast of the interior of a ventral valve of tliis species.«« 8. An enlargement of the surface, showing the regular concentric lines of gioiand the undulating lamellose striae, which, crossing the lines of g«give the apparently punctate texture. LiNGULA WINONA. ) ,11^Fig. 9. A figure of the specimen, natural size. LiNGULA AMPLA. , / :? 5 Fig. 10. A figure of this species, of the natural size. DiSCINA? INUTILIS. / 3 0 Fig. 11. A figure of the specimen, enlar
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectscience, bookyear1853
