. Palæontology ... M -: t< Bower. rii&da PLATE XXI. PAGE Fig. 10. Ammonites Batesii. Showing the gradation from the angulatedwhorls of the young state of this variety, to the rounded whorlsin the older shell. 132 10 a. Cross section of shell. 10 b. Septum. Fig. 11. A. Suciaensis. 133 11 a. Cross section of body b. Septum. teaiuE dot 01:0 nrryoij ,n, w iriiff if(^ in, (Cretaceous.) IhAiW 2 1, -. * -. W. IS. G-abTa, del B owen& C ° Tith. Philad a PLATE XXII PAGE Fig. 12. Ammonites jugalis, from tlie Martinez Group at Benicia. 133 12 a. Cross section of body whorl. 12 J. Septum from s
. Palæontology ... M -: t< Bower. rii&da PLATE XXI. PAGE Fig. 10. Ammonites Batesii. Showing the gradation from the angulatedwhorls of the young state of this variety, to the rounded whorlsin the older shell. 132 10 a. Cross section of shell. 10 b. Septum. Fig. 11. A. Suciaensis. 133 11 a. Cross section of body b. Septum. teaiuE dot 01:0 nrryoij ,n, w iriiff if(^ in, (Cretaceous.) IhAiW 2 1, -. * -. W. IS. G-abTa, del B owen& C ° Tith. Philad a PLATE XXII PAGE Fig. 12. Ammonites jugalis, from tlie Martinez Group at Benicia. 133 12 a. Cross section of body whorl. 12 J. Septum from same specimen. Fig. 13. A specimen of the same from Martinez. 13 a. Front view of same. Fig. 14. A. Whitneyii. 134 14 a. Front view of the ;. Septum of the same. PAIiiR (WW
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Keywords: ., bookcentury1800, bookdecade1860, booksubjectpaleontology, bookyea
