CRUSTACEA. 



okeni, Munster, 1830, (Cythere okeni) 



Jahrbuch fur Min., Geo. und Petrif., 



Carboniferous. [Ety. proper name.] 

 Ottawa, see Isochilina Ottawa, 

 ovata, Jones, 1858, Ann. & Mag. Nat. 



Hist, 3rd ser., vol. 1, Black Riv. Gr. 



[Sig. egg-shaped.] 

 paquettana, Jones, 1858, Can. Org. Rem., 



Decade 3, Black Riv. Gr. [Ety. proper 



name.] 

 parasitica, Hall, 1859, Pal. N. Y., vol. 3, 



Low. Held. Gr. [Sig. parasitic] 

 parvula, Hall, 1859, Pal. N. Y., vol. 3, 



Low. Held. Gr. [Sig. very small.] 

 pennsylvanica, Jones, 1858, Ann. & Mag. 



Nat. Hist., 3rd ser., vol. 1, Clinton Gr. 



[Ety. proper name.] 

 punctulifera, Hall, 1860, 13th Reg. Rep. 



N. Y., Ham. Gr. [Sig. bearing dots.] 

 scalari8, Jones, 1858, Ann. & Mag. Nat. 



Hist., 3rd ser., vol. 1, Waterlime Gr. 



[Sig. like a ladder.] 

 seneca, Hall, 1862, 15th Reg. Rep. N. Y., 



Ham. Gr. [Ety. proper name.] 

 sinuata, Hall, 1860, Can. Nat. & Geo., 



vol. 5, Silurian. [Sig. marked with 



depressions.] 

 troyensis, Ford, 1863, Am. Jour. Sci. & 



Arts, 3rd ser., vol. 6, Low. Potsdam 



Gr. [Ety. proper name.] 

 turgida, Billings, 1865, Pal. Foss., vol. 1, 



Quebec Gr. [Sig. swollen out.] 

 ventralis, Billings, 1865, Pal. Foss., vol. 



1, Quebec Gr. [Sig. ventral.] 

 spinulifera, Hall, 1862, 15th Reg. Rep. N. 



Y., Cornif. Gr. [Sig. bearing spines.] 

 sublsevis, Shumard, 1855, (Cythere sub- 



lsevis) Geo. Rep. Mo., Low. Magnesian 



Gr. [Sig. somewhat smooth.] 

 Lichas, Dalman, 1826, Monograph of Trilo- 



bites. [Ety. mythological name.] 

 armatus, Hall, 1862. Being preoccupied, 



the name is changed to L. eriopia. 

 bigsbyi, Hall, 1859, Pal. N.Y., vol. 3, Low. 



Held. Gr. [Ety. proper name.] 

 boltoni, Bigsby, 1825, (Paradoxides bol- 



toni) Jour. Acad. Nat. Sci., vol. 4, 



Niagara Gr. [Ety. proper name.] 

 boltoni var. occidentalis, Hall, 1863, Trans. 



Alb. Inst., vol. 4, Niagara Gr. [Sig. 



wG8t6rn.l 

 breviceps, Hall, 1863, Trans. Alb. Inst., 



vol. 4, Niagara Gr. [Sig. short-headed.] 

 canadensis, Billings, 1866, Catal. Sil. Foss. 



Antic, Antic Gr. [Ety. proper name.] 

 cucullus, Meek & Worthen, 1865, Proc. 



Acad. Nat. Sci. Phil., Trenton Gr. 



[Sig. a cap.] 

 decipiens, Winchell & Marcy, 1865, Mem. 



Bost. Soc Nat. Hist., Niagara Gr. 



[Sig. doubtful.] 

 eriopia, see Terataspis eriopia. 

 grandis, see Terataspis grandis. 

 Jukesi, Billings, 1865, Pal. Foss., vol. 1, 



Quebec Gr. [Ety. proper name.] 

 minganensis, Billings, 1865, Pal. Foss., 



vol. 1, Chazy and Black Riv. Gr. 



[Ety. proper name.] 



nereus, Hall, 1863, 16th Reg. Rep. N. Y., 



Niagara Gr. [Ety. mythological 



name.] 

 pugnax, AVinchell & Marcy, 1865, Mem. 



Bost. Soc. Nat. Hist.," Niagara Gr. 



[Sig. war-like.] 

 pustulosus, Hall, 1859, Pal. N. Y., vol. 3, 



Low. Held. Gr. [Sig. covered with 



pustules.] 

 superb us, Billings, 1875, Can. Nat. & 



Geol., Cornif erous Gr. [Sig. superb.] 

 trentonensis, Conrad, 1842, (Asaphus 



trentonensis) Jour. Acad. Nat. Sci., 



vol. 8, Black Riv., Trenton and Hud. 



Riv. Gr. [Ety. proper name.] 

 LoganeUus, Devine, 1863, Can. Nat. & Geo., 



vol. 8. [Ety. proper name.] 

 quebecensis, see Olenus (?) logani. 

 Lonchocephalus, syn. for Conocephalites. 

 chippewensis, see Conocephalites chippe- 



wensis. 

 hamulus, see Conocephalites hamulus. 

 Megalaspis, Angelin, 1852, Palseontologia 



Scandinavica. [Ety. megale, great ; 



aspis, shield.] 

 belemnurus, White, 1874, Rep. Invert. 



Foss., Quebec Gr. [Ety. belemnon, a 



dart; oura, a tail.] 

 Menocephalus, Owen, 1852, Geo. Sur. Wis., 



Iowa & Minn. [Ety. menos, strength ; 



kephale, head.] 

 globosus, Billings, 1860, Can. Nat. & Geo., 



vol. 5, Quebec Gr. [Sig. globose.] 

 minnesotensis, Owen, 1852, Rep. Iowa, 



Wis. and Minn., Potsdam Gr. [Ety. 



proper name.] 

 salteri, Devine, 1863, Can. Nat. & Geo., 



vol. 8, Quebec Gr. [Ety. proper 



name.] 

 sedgwicki, Billings, 1860, Can. Nat. & Geo., 



vol. 5, Quebec Gr. [Ety. proper 



name.] 

 Microdiscus, Emmons, 1856, Am. Geol. 



[Ety. mikros, small; diskos, a quoit.] 

 dawsoni, Hartt, 1868, Acad. Geol., St. 



John's Gr. [Ety. proper name.] 

 lobatus, Hall, 1847, (Agnostus lobatus) 



Pal. N. Y., vol. 1, Hud. Riv. Gr. [Sig. 



divided into segments.] 

 meeki, Ford, 1876, Am. Jour. Sci. & Arts, 



Low. Potsdam Gr. [Ety. proper 



name.] 

 quadricostatus, Emmons, 1856, Am. Geo., 



Quebec Gr. [Sig. four-ribbed.] 

 speciosus, Ford, 1863, Am. Jour. Sci. & 



Arts, 3rd series, vol. 6, Low. Potsdam 



Gr. [Sig. beautiful.] 

 Nileus, Dalman, 1826, Monograph of Tri- 



lobites. [Ety. mythological name.] 

 affinis, Billings, 1865, Pal. Foss., vol. 1, 



Quebec Gr. [Sig. near to, related.] 

 macrops, Billings, 1865, Pal. Foss., vol. 1, 



Quebec Gr. [Sig. having large eyes.] 

 scrutator, Billings, 1865, Pal. Foss., vol. 1, 



Quebec Gr. [Sig. a searcher.] 

 Nuttainia, syn. for Trinucleus. 



concentrica, see Trinucleus concentricus. 

 sparsa, syn. for Homalonotus dekayi. 



