WRITINGS OF R. P. WHITFIELD. 265 



Page. 



Cephalopoda. 

 Tetrabranchiata. 

 NautUidce. 

 Nautilus, Breynins. 



N. dekayi yat. montanaetms, Meek, pi. xvi, figs. 10,11 439-440 



Ammonitidce. 



Frionocyclus, Meek 440 



P. Wyoming ensis, Meek, 1870, pi. xiv, flgs. 1-3 440-441 



Scaphitidce. 



Scaphites, Parkinson 441 



S.nodosus, Owen, 1852, pi. xiii, fig. 12 441-443 



S. modosw* var. brevis. Meek, pi. xiii, figs. 8,9 443 



S. nodosus v.ir. quadrangularis. Meek, pi. xiii, flgs. 10, 11 443-444 



*'. warreni, M. & H., pi. xiii, flgs. 1-4 444-446 



S. wyoiiiingensis, M. & H., pi. xiii, flgs. 5-7 446-447 



Helicoeeras, D'Orl) 447 



if. stevensoni, Wliitfleld, 1877, pi. xir, figs. 5-8 447-449 



Heteroceras, DOrb 449 



U. neivtoni, Whitfield, 1877, pi. xv, figs. 1-4 449-451 



H.f nebrascense, M. & H., pi. xv, fig. 6, and pi. xiv, fig. 9 451-452 



Ancyloceras, D'Orb 452 



A.jenneyi, Whitfield, 1877, pi. xvi, figs. 7-9 452^54 



A. tricostatus, Whitfield, 1877, pi. xv, flgs. 7,8 454-455 



Ptyckoceras, D'Orb 455-457 



P. meekanum, Whitfield, 1877, pi. xvi, flgs. 1,2 457-458 



P. crassum, Whitfield, 1877, pi. xvi, figs. 3-5 459 



Synopsis of species from the Black Hills, noticed in other works, not described in this 

 report 460-464 



List of fossils described in this repoit 465-468 



Whitfibld, R. p. Brachiopoda and LaraellibrancMata of the Raritan Clays and 

 Green sand Marls of New Jersey, -c;:^ Monographs of the United States Geological 

 Survey, Vol. ix, pp. i-xx and 1-264, pis. i-xxxv. Washington, 1885. 



CONTENTS. 



Page. 



Letter of transmittal from Prof. George H. Cook ix 



* Sketch of the Geology of Cretaceous and Tertiary formations of New Jersey" ix 



Letter of transmittal from Prof. KobertP. Whitfield xv 



Preliminary remarks ^^i 



Brachiopoda 3 



Section 1.— Brachiopoda of the Marl Beds 5 



Lamellibranchiata 17 



Section 11.— Lamellibranchiata from the Karitan Clays 22 



Section m.— Lamellibranchiata from the Lower Marl Beds 29 



Section IV. — Lamellibranchiata from the Middle Marl Beds 194 



Section V. — Lamellibr.Anchiata from the base of the Upper Marls 205 



Section VI.— Lamellibranchiata from the Eocene Marls 222 



Section Vll. — Unionidfe from the Camden Clays 243 



Section VIII. — Classified list of the species 253 



BRACHIOPODA. 



Section I. — Brachiopoda from the several Marl Beds of the State. 

 Brachiopoda. 

 Terebratulidte. 



Terebratida, Llhwyd 6 



T.harlani, Morton, pi. i, figs. 15-23 6-9 



Terebratulina atlantiea, Morton, pi. i, figs. 10-13 9-11 



Terebratulina floridana, Morton 11-12 



Terebratulina laehryma, Morton, pi. i, fig. 14 12 



TerebraUlla, D'Orb 12 



T. plicata, Sa,y, 1829, pi. i, flgs. 5-9 12-14 



T. vanuxemi, LyeU & Forbes, 1845, pi. i, figs. 1-4 14-15 



