CKUSTACEA. 



317 



Geo. Expl., 40th parallel, Potsdam 

 dr. [Sig. having a wide head.] 

 CoNOCEPHALiTBS (juadratus, Whitfleld,1880, 

 1 Ann. Eep. Geo. Sur. Wis., Potsdam 

 Gr. [Sig. quadrate,] 

 subcoronatus. Hall & Whitfield, 1877, 

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

 beo Gr. [Sig. somewhat coronated.] 

 Ceepicephalus angulatits. Hall & Whit- 

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

 allel, Potsdam Gr. [Sig. angulated.] 

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

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

 [Ety. proper name.] 

 centralis, Whitfield, 1877, Eep. on Pal. 

 of the Black Hills, Potsdam Gr. [Sig. 

 central.] 

 gibbesi, Whitfield. 1880, Ann. Eep. 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.] 

 maculosus. 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. Eep. Geo. 



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

 planus, Whitfield, 1877, Eep. 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, 1877, U. S. 

 G eo. Expl . , 40th parallel , Potsdam Gr. 

 [Sig. one furrowed.] 

 .Cytheee oarhonaria, refer to Leperditia car- 



bonaria. 

 ij- irregularis, S. A. Miller, 1878, Jour. Gin. 

 Soo. Nat. Hist., vol. 1, Hud. Eiv. Gr. 

 [Sig. irregular. ] The species does not 

 • belong to this genus. 

 * Cythbreluna, .Tones & Hall. 

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

 Am. Mus Nat. Hist., Wartiaw Gr. 

 [Sig a small kernel ] 

 Cytheeopsis rugosa, is Primitia rugosa. 

 Dalmanites calliteles, signifies <i beautiful 

 tail, 

 intermedins is in 3] st Eeg Eep. 

 JJiCBLLOCBPHALUs, See Pteroceplialia, 

 which has priority, 

 barabuensis, Whitfield, 1878, Ann. Eep. 

 Geo. Sur. Wis., Low. Magnesian Gr. 

 [Ety. pi-oper name.] 

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

 Geo. Expl., 40th parallel, Potsdam 

 Gr. [Sig. two lobed.] 

 eatoni, Whitfield, 1878, Ann. Eep. Geo. 



Sur. Wis., Low. Magnesian Gr. 

 [Ety. proper name. 1 

 DiCBLLocEPHOLus flabellifer. Hall & Whifc- 

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

 allel, Potsdam Gr. [Sig. afan bearer.] 

 7, ggthicus. Hall & Whitfield, 1877, U. S. 

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

 [Si^. gothic] 

 lodensis, Whitfield, 1880, Ann. Eep. Geo. 

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

 name.] 

 multicinctus. Hall & Whitfield, 1877, TJ. 

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

 Gr. [Sig. many girded. 1 

 3 quadriceps. Hall & Whitfield, 1877, U. 

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

 Gr. [Sig. square headed.] 

 5-, sancti-sabse, Eoemer, 1849, Texas Mit. 

 naturwissench Anhang, (Pter- 

 ocephalia sancti-sabse), and 1852, 

 Kreid von Texas, Potsdam Gr. [Ety. 

 proper name.] 

 6. wahsatchensis, Hall & Whitfield, 1877, 

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

 Quebec Gr. [Ety. proper name.] 

 DoLiCHOPTEEDS 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,] 

 (A multinodosa, Whitfield, 1880, Am. Jour. 

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

 Shales. [Sig. many noded.] 

 pustulosa, Whitfield, 1880, 'Am. Jour. 

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

 Shales. [Sig. pustulous.] 

 sublsevis, 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; r/natJtos, the jaw.] 

 1^ clevelSndi, Walcott, 1882, Am. Jour. 

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

 Slate Gr. [Ety. proper name.] 

 EUiptocephala curta is Olenellus curtus, and 

 E. asaphoides is O. asaphoides. Ole- 

 nellus is a syn. for EUiptocephala of 

 Emmons, but the latter name being 

 preoccupied, Olenellus must be used.] 

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

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

 Gr. [Ety. proper name.] 

 mirus. 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 Eeg. Eep. 

 Enoploura, Wetherby, 1878, Joirt. Cin. Soc. 

 Nat. Hist.. V9I. 1. Proposed instead 

 of Anoraalocystites upon the ground 

 that it is a Crustacean instead of a 

 Cystidean. 

 EsTHERiA, Knppell and Straus-Durckheim, 

 1837, Mus. Senckenberg, vol. 2, p. 

 119. [Ety. proper name.] < 



