542 



CRUSTACEA. 



[DAL. 



simplex, White &St. John, 1868, (Cythere 

 simplex,) Trans. Chi. Acad. Sci., p. 127, 

 St. Louis Gr. 



subcylindrica, Emmons, 1856, (Cytherina 

 subcylindrica,) Am. Geo., p. 220, Tren- 

 ton Gr. 



subelliptica, Emmons, 1856, (Cytherina 

 subelliptica,) Am. Geo., p. 220, Black 

 Riv. Gr. 



Dalmania, Emmricb, 1845. This name 

 having been preoccupied for a genus of 

 insects, Dalmanites has been substi- 

 tuted, though many authors prefer to 

 use Odontochile, a name proposed by 

 Corda. 



DALMANITES, (Emmrich, 1845, Dalmania,) 

 Barrande, 1852, Syst. Syl. Boh., vol. 1. 

 [Ety. proper name.] Cephalic shield 

 sublunate, with lateral angles produced 

 into spines; glabella widest anteriorly, 

 rounded in front, with a highly convex 

 anterior subelliptical lobe, three lateral 

 furrows on each side ; eyes prominent, 

 subreniform, lenses numerous, situated 

 posteriorly ; facial sutures, curving 

 slightly from the anterior margin, and 

 each, following the curvature of the 

 eye to the posterior part by a sig- 

 moidal flexure, reach the lateral mar- 

 gin very slightly posterior to the eye 

 itself; thorax with eleven segments, 

 axis most convex, lateral lobes wider 

 and more or less flattened; pygidium 

 subtriangular, usually extended pos- 

 teriorly into a spine, segments numer- 

 ous. Type D. caudatus. 

 acantholeurus, Conrad, 1841, (Asaphus 

 acantholeurus,) Ann. Rep. N. Y., p. 48, 

 and Illust. Devon. 

 Foss., pi. 19, Onon- 

 daga limestone, 

 achates, Billings, 1860, 

 Can. Nat. and Geo., 

 vol. 5, p. 63, Tren- 

 ton Gr. 



fegeria, Hall, 1862, 15th 

 Rep. N. Y. St. Mus. 

 Nat. Hist., p. 57, and 

 Illust. Devon. Foss.. 

 pi. 12, Up. Held. Gr. 

 anchiops, Green, 1832, 

 (Calymene anchiops,) 

 Monograph of Trilo- 

 bites, p. 35, and Illust. 

 Devon. Foss., pi. 9, Schoharie grit, 

 anchiops var. armatus, Hall, 1862, 15th 

 Rep. N. Y. St. Mus. Nat. Hist., p. 56, 

 Schoharie grit. 



anchiops var. sobrinus, syn. for D. anchiops. 



aspectans, Conrad, 1841, (Asaphus as- 



pectans,) Ann. Rep. N. Y., p. 49, and 



Illust. Devon. Foss., pi. 13, Up. 



Held. Gr. 



barrisi, Hall, 1888, Pal. N. Y., vol. 7, p. 



48, Ham. Gr. 

 bebryx, Billings, I860, Can. Nat. and Geo., 



vol. 5, p. 61, Trenton Gr. 

 bicornis, TIall, 1876, 28th Rep. N. Y. St. 

 Mus. Nat. Hist., p. 196, Niagara Gr. 



FIG. 995. Dalman 

 ites achates. 



bifidus, Hall, 1862, 15th Rep. N. Y. St. 



Mus. Nat. Hist., p. 63, Up. Held. Gr. 

 boothi, Green, 1837, (Cryphseus boothi,) 



Am. Jour. Sci., vol. 32, p. 343, and Pal. 



N. Y., vol. 7, p. 42, Ham. Gr. 

 breviceps, Hall, 1866, 24th Rep. N. Y. St. 



Mus. Nat. Hist., p. 223, Hud. Riv. Gr. 

 callicephalus, Hall, 1847, 



(Phacops callicephalus,) 



Pal. N. Y., vol. 1, p. 247, 



Trenton Gr. 

 calliteles, Green, . 1837, 



(Cryphaeus calliteles,) 



Am. Jour. Sci. and Arts, 



vol. 32, p. 346, and Illust. 



Devon. Foss., pi. 16, 



Ham. Gr. 

 calypso, Hall, 1862, 15th 



Rep. N. Y. St. Mus. Nat. 



Hist., p. 61, and Illu&t. FIG. 996. Dai- 

 Devon. Foss., pi. 13, Up. mauites cal- 



Held. Gr. licephalus. 



carleyi, Meek, 1872, Am. Jour. Sci., 3d 



ser., vol. 3, p. 424, and Ohio Pal. vol. 1, 



p. 170, Hud. Riv. Gr. 



comis, Hall, 1888, Pal. 

 N. Y., vol. 7, p. 41, Up. 

 Held. Gr. 

 concinnus, Hall, 1876, 

 Illust. Devon. Foss., pi. 

 10, Schoharie grit, 

 coucinnus var. serrula, 

 Hall, 1888, Pal. N. Y., 

 vol. 7, p. 30, Up. Held. 

 Gr. 



FIG. 997. coronatus, Hall, 1862, 



Dalmanites 15th Rep. N. Y. St. 



calliteles. Mug Na Higt ^ p 5g> 



and Illust. Devon. Foss., pi. 12, Ham. Gr. 

 cuyahogse, Claypole, 1884, Geol. Mag., 3d 



ser., vol. 1, p. 303, Waverly Gr. 

 danse, Meek & Worthen, 1865, Proc. 



Acad. Nat. Sci. Phil., p. 264, and Geo. 



Sur. 111., vol. 3, p. 363, Niagara Gr. 

 dentatus, Barrett, 1876, Am. Jour. Sci. 



and Arts, vol. 11, p. 200, Low. Held. Gr. 

 denticulatus, Conrad, 1841, (Asaphus 



denticulatus,) Ann. Rep. N. Y., p. 48, 



and Illust. Devon. Foss., pi. 10, Up. 



Heli. Gr. 

 emarginatus, Hall, 1876, Illust. Devon. 



Foes., pi. 10, Up. Held. Gr. 

 epicrates, Billings, 1863, Proc. Port. Soc. 



Nat. Hist, vol. 1, p. 119, Low. Held. Gr. 

 erina, Hall, 1862, 15th Rep. N. Y. St. 



Mus. Nat. Hist., p. 62, Up. Held. Gr. 

 helena, Hall, 1862, 15th Rep. N. Y. St. 



Mus. Nat. Hist., p. 61, Up. Held. Gr. 

 intermedius, Walcott, 1877, 31st Rep. 



N. Y. St. Mus. Nat, Hist., p. 69, Tren- 

 ton Gr. 

 latieaudatus, Hall, 1847. This name is 



erased from the list, 

 limulurus, Green, 1832, (Asaphus limul- 



urus,) Monograph Trilobites, p. 48, and 



Pal. N. Y., vol. 2, p. 303, Niagara Gr. 

 logani, Hall, 1860, Can. Nat, and Geo., 



vol. 5, p. 156, and Acad. Geol., p. 608, 



Up. Silurian. 



