CRUSTACEA. 



317 



Geo. Expl., 40th parallel, Potsdam 



dr. [Sig. having a wide head.] 

 Coxocephalites quadratus, Whitfield, 1880, 



Ann. Rep. Geo. Snr. Wis., Potsdam 



Gr. [Sig. quadrate.] 

 subeoronatus, Hall & Whitfield, 1877, 



U. S. Geo. Expl., 40th parallel, Que- 

 bec Gr. [Sig. somewhat coronated.] 

 Crepicephalcs angolatus, Hall & Whit- 

 field, 1877, U. S. Geo. Expl., 40th par- 

 allel, Potsdam Gr. [Sig. angulated.] 

 anytus, Hall & Whitfield, 1877, U. S. 



Geo. Expl., 40th parallel, Potsdam Gr. 



[Etv. proper name.] 

 centralis, Whitfield, 1877, Rep. on Pal. 



of the Black Hills, Potsdam Gr. [Sig. 



central.] 

 gibbesi, Whitfield. 1880, Ann. Kep. Geo. 



Sur. Wis., Potsdam Gr. [Ety. proper 



name.] 

 granulosus, Hall & Whitfield. 1877, U. S. 



Geo. Expl., 40th parallel, Potsdam 



Gr. [Sig. granulous.] 

 haguei, Hall & Whitfield, 1877, U. S. 



Geo. Expl., 40th parallel, Potsdam 



Gr. [Ety. proper name.] 

 maculosufl, Hall & Whitfield, 1877, U. S. 



Geo. Expl., 40th parallel, Potsdam 



Gr. [Sig. spotted.] 

 nitidus. Hall & Whitfield, 1877, U. S. 



Geo. Expl.. 40th parallel, Potsdam 



Gr. [Sig. neat.] 

 onustus, Whitfield, 1878, Ann. Rep. Geo. 



Sur. Wis., Potsdam Gr. [Sig. full.] 

 planus, Whitfield, 1877, Rep. on Pal. of 



Black Hills, Potsdam Gr. [Sig. plane.] 

 ' quadrans. Hall & Whitfield, 1877, U. S. 



Geo. Expl., 40th parallel, Quebec Gr. 



[Sig. a quarter.] 

 simulator. Hall & Whitfield, 1877, U. S. 



Geo. Expl.. 40 parallel, Potsdam Gr. 



[Sig. an imitator.] 

 unisulcatus, Hall & Whitfield, 1S77, U. S. 



Geo. Expl., 40th parallel. Potsdam Gr. 



[Sig. one furrowed.] 

 Cytherk carbonaria, refer to Leperditia car- 



bonaria . 

 irregularis, S. A. Miller, 1878, Jour. Cin. 



Soc. Nat. Hist., vol. 1, Hud. Riv. Gr. 



[Sig. irregular.] The species does not 



belong to this genus. 



f'YTHERELEIXA, JoiieS & Hall. 



glandella. Whitfield, 1882, Bull. No. 3, 



Am. Mus Nat. Hist., Warsaw Gr. 



[Sig a small kernel ] 

 < 'ytheropsis ruffosa, is Primitia rugosa. 

 Dai.mamtks calliteles, signifies a beautiful 



tail, 

 intermedins is in 31st Heg Rep. 

 Dkki-i.ocki'hai.ts, see Pterocephalia, 



which has priority. 

 barabuensis, Whitfield, 1878, Ann. Rep. 



Geo. Sur. AVis., Low. Magnesian Gr. 



[Ety. proper name.] 

 bilobatus, Hall & Whitfield, 1877, U. S. 



Geo. Expl., 40th parallel, Potsdam 



Gr. [Sig. two lobed.] 

 eatoni, Whitfield, 1878, Ann. Rep. Geo. 



Sur. Wis., Low. Magnesian Gr. 

 [Ety. proper name. 1 

 DiCELLOCEPHOLcs flabellifer, Hall & Whit- 

 field, 1877, U. S. Geo. Expl., 40th par- 

 allel, Potsdam Gr. [Sig. a fan bearer.] 



gothicus, Hall & Whitfield, 1877, U. S. 

 Geo. Expl., 40th parallel, Potsdam Gr. 

 [Sig. gothic] 



lodensis, Whitfield, 1880, Ann. Rep. Geo. 

 Sur. Wis., Potsdam Gr. [Ety. proper 

 name.] 



multicinctus, Hall & Whitfield, 1877, U. 

 S. Geo. Expl., 40th parallel, Potsdam 

 Gr. [Sig. many girded.] 



quadriceps. Hall & Whitfield, 1877, U. 

 S. Geo. Expl., 40th parallel, Quebec 

 Gr. [Sig. square headed.] 



sancti-sabse, Roemer, 1849, Texas Mit. 

 naturwissench Anhang. (Pter- 

 ocephalia sancti-sabae), and 1852, 

 Kreid von Texas, Potsdam Gr. [Ety. 

 proper name.] 



wahsatchensis, Hall & Whitfield, 1877, 

 U. S. Geo. Expl., 40th parallel, 

 Quebec Gr. [Ety. proper name.] 

 Doeichopterus mansfieldi, Hall, 1877, 

 Trans. Am. Phil. Soc, Lower Coal 

 Meas. [Ety. proper name.] 

 Echinocaris, Whitfield, 1880. Am. Jour. 

 Sci. and Arts, 3d ser., vol. 19. [Ety. 

 echinos, the sea urchin ; karis, a 

 shrimp.] 



multinodosa, Whitfield, 1880, Am. Jour. 

 Sci. and Arts, 3d ser., vol. 19, Erie 

 Shales. [Sig. many noded.J 



pustulosa, Whitfield, 1880, Am. Jour. 

 Sci. and Arts, 3d ser., vol. 19, Erie 

 Shales, [sig. pustulous.] 



subkevis, Whitfield. 1880, Am. Jour. 

 Sci. and Arts, 3d ser., vol. 19, Erie 

 Shales. [Sig. somewhat smooth.] 

 Echinognathus, Walcott, 1882, Am. Jour. 

 Sci. and Arts, 3d ser., vol. 23. [Ety. 

 echinos, sea urchin; gnathos, the jaw.] 



clevelandi, Walcott, 1882, Am. Jour. 

 Sci. and Arts, 3d ser., vol. 23, Utica 

 blate Gr. [Ety. proper name.] 

 Elliptocephala curta is Olenellus cartas, and 

 K. asaphoides is O. asaphoides. Ole- 

 nellus is a syn. for Elliptocephala of 

 Emmons, but the latter name being 

 preoccupied, Olenellus must be used. J 

 Excrixurus egani. S. A. Miller, 1880, Jour. 

 Cin. Soc. Nat., Hist., vol. 2, Niagara 

 Gr. [Ety. proper name.] 



minis. This is not an Encrinurus, but 

 I am not able to refer it satisfactorily 

 to any genus. 



trentonensis, and E. varicostatus are in 

 the 31st Reg. Rep. 

 Enoploura, Wetherby, 1878, Jour. Cin. Soc. 

 Nat. Hist., vol. 1. Proposed instead 

 of Anomalocystites upon the ground 

 that it is a Crustacean instead of a 

 Cystidean. 

 Estheria, Ruppell and Straus-Durekheim, 

 1837, Mus. r-M'nckenberg. vol. 2, p. 

 119. [Ety. proper name.] 



