19U AMMONITES AVREOLVS 96c 



Species of ECHIOCERAS 

 (After all authors read " sp.") 



Carinate, periphery fastigate {degenerate from subsalcate ?) 

 E. meigeni, Hug, 1899, xi, 3. 

 E. macdonnellii, Portl. 1843, xxix a, 12. 

 E. nodotianum, d'Orb. 1844, xlvii. 

 1.. multicostatum, Schaf. 1851, xvn, 25. 

 E. hugi, n. Type, Ar. meigeni, Hug, 1899, xi, 2 ; 

 subobsoleticostate ; obsoletisubsulcate ? 

 42, 22, 18, 57. E. schlumbergeri, Reynes, 1879, xli, 20, 21. 



F. Carinate-sulcate (post- and pre-subsulcate ?) 

 E. oosteri, Dum. 1867, xxx, 3. 

 E. alpinum, n. Type, Am. spiratissimus ; Haucr, 



1856, in, 1-3 ; parent of E. laeve ? 

 E. aureolum, Simp. (Y.T.A. 96) 



Cf. Ar. tardecrescens ; Blake, 1876, v, 5. 

 E. rothpletzi, Bose, 1894, lvi, 5. 



Cf. Am. nodoti ; Reyn. 1879, l, 4, 5. 

 E. aplanatum, Hyatt, 1889, 147, f. 23, 24. 

 E. studeri, Hug, 1899, xn, 1. 

 E. ophioides, d'Orb. 1844, lxiv, 3-5. 



Cf. T. 326E. Geol. Surv., Scotland, raric. 7.. 



Pabba Shales, Raasay. 

 E. laeve, (Stur), Geyer : 1886, in, 10. 



Carinate-subsulcate (pre- and post- silicate ?) 



E. subobsoletum, n. Type, T.3662D. Like 



Am. charpentieri, Schaf. 1851, xvi, 2, 3, but 



with distinct subsulci. 

 E. faivrei, Hug, 1899, xn, 6. 

 E. polygyratum, n. T.330E. 



Cf. A. liasicus ; Hug, 1899, xi, 1. 

 E. deciduum, Hyatt, 1867, p. 76, on Am. nodotianum ; 



Hauer, 1856, vi, 1-3. 

 E. delicatum, nov. Type, Am. tardecrescens ; 



Dum. 1867, xxxi, 3-5. 

 E. bavaricum, Bose 1894, lvi, i. 

 E. scoticum, nov. Type, T 4491D. Like 



macdonnellii, but costae stronger and con- 

 tinued. 

 E. newberryi, Hyatt, 1889, p. 152, f. 25. 26. 

 E. boehmi, Hug, 1899, xn, 8. 



Cf. Ar. bavaricus, Bose, 1894, lvi, 2. 

 E. subquadratum, n. Type, Hug, 1899, xn, 4. 



Cf. xii, 3. (Ar. cf. conybearei) 

 E. modest urn, n. Type, Ar. spiratissimus ; 



Hug, 1899, x, 13 ; subdensiparvicostate. 

 E. regustatum, n. Type, 26439, Geol. Surv. Eng. 



subparvi-subdistanti-costate. 



Am. aureolus, Simpson, Y.T.A. 28. 

 E. spiratissimum, Quen. 1852, xxvn, 9. 



D. Carinate, periphery fastigate (degenerate from] "arched ?). 

 84, 21, 18, 61. E. laevidomus, Quen. 1884, xxm, 23. 



C. Carinate, periphery arched (uncarinate in youth). 



8 4' l8 . 17. 66. E. prorsum, n. Type, Am. viticola, Dum. 1867, 



xxxi, 9- 1 1 ; prorsiradiate. 

 E. viticola, Dum. 1867, xxxi, 12, 13. 

 E. edmundi, Dum., 1867, xxxix, 3, 4. 

 E. quenstedti, Schaf. 1847 (1851, xvn, 24). 



Cf. Ar. quenstedti, Bose, 1894, lv, 7. 

 E. vellicatum, Dum. 1867, xl, 5, 6. 

 E. rhodanicum, n. Type, Dum. 1867, xxv, 4, 5. 



