. Palæontology ... Bowen& C° lith. Phila da PLATE XXIII. PAGE Fig. 15. Ammonites fkateenus. 137 15 a. Cross section of last volution. 15 6. Septum. Fig. 16. A. Stoliczkanus. 135 16 a. Front view of the same. Fig. 17. Septum of Ancyloceras Rkmondii. 138 Fig. 18. ? Ancyloceras lineatus. Side view of straight limb. 139 18 a. Dorsal view of same. 18 b. Cross section of same. 18 c. Septum. TPAT.^flEOTPm^ITiCTrn^TTr, tfifiligkilSifffl if itllfoftijUc (Cretaceous) ;E! 18 ISt . i ISh- /i £*> ^ Tf! /a* | T

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Keywords: ., bookcentury1800, bookdecade1860, booksubjectpaleontology, bookyea