. 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. >rofile of the preceding specimen. ?« 62. A nu)vable cheek of this trilobite, natural size. « . ^\ .Jl. U) . L^ w ^ ® JL.,,. ^S.^Mn_Oj® lii(0,Mis^^, PL. 7. -be. F ., d el. S-vYiaboTL, lith-. EXPLANATION OF PLATES. 109 PLATE Vll. CONOCEPHALITES SHUMARDI. Fig. 1. A head, natural ; 2. A pjgidium, natural size. GONOCEPHALITES NASUTUS. / ^~^ jp| Fio. 3. A small head, natural size


. 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. >rofile of the preceding specimen. ?« 62. A nu)vable cheek of this trilobite, natural size. « . ^\ .Jl. U) . L^ w ^ ® JL.,,. ^S.^Mn_Oj® lii(0,Mis^^, PL. 7. -be. F ., d el. S-vYiaboTL, lith-. EXPLANATION OF PLATES. 109 PLATE Vll. CONOCEPHALITES SHUMARDI. Fig. 1. A head, natural ; 2. A pjgidium, natural size. GONOCEPHALITES NASUTUS. / ^~^ jp| Fio. 3. A small head, natural size. \ «* 4. A larger head.«« 5. A very conical glabella. «« 6 & 7. Two forms of cheeks, associated with the heads.« 8. A pygidiuni enlarged three diameters. 9. A pygidium enlarged two diameters, with two nodes on the terminal segment. The figures 8 and 9 represent two pygidia found associated with the heads of Con^cephalites nasutus. It is impossible at this time to determine which of them belongto the heads described. CONOCEPHALITES ERYON. Fig. 10. A head, natural size. •* 11. Impression of a cheek. *« 12. A thoracic segment, in outline, occurring on the same stone with figures 10,11 & 16. «« 13, 14, 15. Thoracic segments from different parts of -the body. From Lacrosse, «< 16. A pygidium. From Trempaleau. CONOCEPHALITES PEK


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Keywords: ., bookcentury1800, bookdecade1850, booksubjectscience, bookyear1853