VII.-THE WRITINGS OF ALPHEUS HYATT. 

 1. 



Hyatt, Alpheus. [Descriptions of new genera and remarks on new species of 



Triassic fossils.] < Eep. Geol. Expl. 40th Parallel, by Clarence King. Vol. iv, 



part i, pp. 107-1'^ pars. Washington, 1877. 



Page. 



Clydonitidce, n.f., Hyatt, 1877 107 



*Goroceras, n. g., Hyatt, 1877 107-108 



Clydonites, Hauer 109 



G. Icevidorsatus. Hauer, sp , 1860, pi. x, fig. 7 109-110 



Trachyceratidoe, n. f., Hyatt, 1877 110 



i Gymnotoeeras. n. g., Hyatt, 1877 110-111 



G. ro««Kiyorme, Meek. 1877, pi. X, figs. 9, 9 a 112-113 



O. blakei. Gabb, sp., 1864, pi. x, flg.s. 10, a-c, and pi. xi, flgs. 6, 6 a 115-116 



Trachyceras, Laube - 116 



T. Whitney!, Gabb, sp., 1864, pi. xi, flg.s. 3, 3 a 117-118 



T. judicaricuin, Mojsisovics, 1869, pi. xi, figs. 1, 1 118 



A rcestidce. 



A rcestes. Sness.lS65 liy-l-<J 



A. ? perplnnus, Meek, 1877, pi. xi, figs. 7, 7 a 121 



A. gabbi, Meek, 1877, pi. s, figs. 6, 6 a, 6 123 



Physanoidce, Hyatt, 1877 124 



I Acrochordiceras, n. g., Hyatt, 1877 124 



A. hyatti, Meek, 1877, pi. xi, flgs. 5, 5a 125-1-26 



§ Eutomoceras, n. g., Hyatt, 1877 126 



II Eudiscoceras. n. g., Hyatt, 1877 128 



2. 



t 



Hyatt, Alpheus. [Description of the new genus Meekoceras, and remarks on the 



different species of the same.] < Contributions to Invertebrate Paleontology 



No. 5, Tria.ssic fossils of Southeastern Idaho, by C. A. White. Twelfth Ann. Rep. 



of the U. S. Geol. and Geogr. Surv. of the Terr., by F. V. Hayden. pp. 112-11(3, 



pis. xxxi-xxxii. Washington, 188.3. 



An author's edition of these contribntions was published in 1880. 



Page. 



JUffJtocera*, u. g., Hyatt, 1880 112 



M. aplanatum, n. s, "White, 1880 113 



M. inuchbachianum, n. s., White, 1880 114 



M. gracilitatis, u. s., White, 1880 115-116 



Arcestes? cirratus, n. s., White, 1880 117 



3. 



Hyatt, Alpheus. [Description of the new genus Enclimatoceras.] < On the 

 Nautiloid genus Enclimatoceras Hyatt, and a description of the type species.. 

 < On Mesozoic fossils, by C. A. White, Bull. U. S. Geol. Surv. No. 4. Vol. :, pp. 

 16-17 of No. 4, or pp. 104-105 of vol. i. Washington, 1884. 



Enclimatoceras, n. g., Hyatt, 1884 104-105 



* Kopv;, a helmet ; nipas, a horn. 



t yu^vds, naked ; voiro^, back ; Kipai, a horn. 



I aKpoxopStov, a wait ; Kepa'S, a hom. 



§ ev (augm. part.) ; to/xos, sharp; xepas, a horn. 



II ev (augm. part.) ; 5i<r/co9, a quoit ; Kepa^, a hom. 



239 



