216 



CRUSTACEA. 



calypso, Hall, 1861, 15th Reg. Rep. N. Y. 



Up. Held. Gr. [Ety. mythological 



name.] 

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



ser., vol. 3, Cin'ti Gr. [Ety. proper 



name.] 

 candatus, see Dalmanites limulurus. 

 concinnus, Hall, 1876, Illust. Devonian 



Foss., Schoharie grit. [Sig. handsome.] 

 coronatus, Hall, 1861, 15th Reg. Rep. N. 



Y., Ham. Gr. [Sig. crowned.] 

 danre, Meek & Worthen, 1865, Proc. Acad. 



Nat. Sci. Phil., Niagara Gr. [Ety 



proper name.] 

 dentatus, Barrett, 1876, Am. Jour. Sci 



& Arts, vol. 11, Low. Held. Gr. [Ety 



from the dentate margin of the cepha 



lie shield.] 

 denticulatus, Conrad, 1841, (Asaphus 



denticulatus) Ann. Rep. N. Y., Up 



Held. Gr. [Ety. from the denticulate 



termination of the ribs.] 

 emarginatus, Hall, 1876, Illust. Devonian 



Foss., Up. Held. Gr. [Sig. emargi- 



nated.] 

 erina, Hall, 1861, 15th Reg. Rep. N. Y., 



Up. Held. Gr. [Ety. proper name.] 

 helena, Hall, 1861, 15th Reg. Rep. N. Y, 



Corniferous Gr. [Ety. mythological 



name.] 

 intermedius.Walcott, 1877, 29th Reg. Rep. 



N.Y., Trenton Gr. [Sig. intermediate.] 

 laticaudatus, Hall, 1847. Prof. Hall says 



this name may be erased from the list 



of fossils, 

 limulurus, Green, 1832, (Asaphus limu 



lurus) Monograph Trilobites, Niagara 



Gr. [Ety. having a pointed tail like 



Limulm or king crab.] 

 logani, Hall, 1860, Can. Nat. & Geo., vol. 



5, Silurian. [Ety. proper name.] 

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



Y., Up. Held. Gr. [Ety. makros, large ; 



ops, the eye.] 

 micrurus, Green, 1832, (Asaphus mieru- 



rus) Monograph Trilobites, Low. Held. 



Gr. [Sig. small-tailed.] 

 myrmecophorus, Green, 1835, (Asaphus 



myrmecophorus) Supp. to Monograph 



of Trilobites, Up. Held. Gr. [Sig. 



wart-bearing.] 

 nasutus, Conrad, 1841, (Asaphus nasutus) 



Ann. Rep. N. Y., Low. Held. Gr. 



[Sig. having a prominent nose.] 

 ohioensis, Meek & Worthen, 1871, Proc. 



Acad. Nat. Sci. Phil., Corniferous Gr. 



[Ety. proper name.] 

 pleione, Hall, 1861, 15th Reg. Rep. N. Y., 



Up. Held. Gf. [Ety. mythological 



name.] 

 pleuropteryx, Green, 1832, (Asaphus 



pleuropteryx) Monograph Trilobites, 



Low. Held. Gr. [Sig. side- winged.] 

 regalis, Hall, 1876, Illust. Devonian Foss., 



Schoharie grit. [Sig. regal.] 

 selenurus, Eaton, 1832, (Asaphus selenu- 



rus) Geo. Text Book, Corniferous Gr. 



[Sig. from the crescent-shaped tail.] 



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



Held. Gr. [Sig. three-toothed.] 

 tridentiferus, Shumard, 1855, Geo. Rep. 



Mo., Low. Held. Gr. [Sig. bearing 



three teeth.] 

 troosti, Safford. Not defined, 

 verrucosus, Hall, 1863, Trans. Alb. Inst., 



vol. 4, Niagara Gr. [Sig. warty.] 

 vigilans, Hall, 1861, Rep. Progr. Wis.Sur., 



Niagara Gr. [Sig. watchful, eyes 



opened.] 

 DicELLOCEniALus, Owen, 1852, Geo. Sur. 



Wis., Iowa ct Min., (written by Owen, 



Dikelocephalus). [Ety. dikella, a mat- 

 tock; kephale, head.] 

 affinis, Billings, 1865, Pal. Foas., Quebec 



Gr. [Sig. related to.] 

 belli, Billings, 1860, Can. Nat. & Geol., 



vol. 5, Quebec Gr. [Ety. proper 



name.] 

 (?) corax, Billings, 1865, Pal. Foss., Que- 

 bec Gr. [Ety. proper name.] 

 cristatus, Billings, 1860, Can. Nat. <fc 



Geo. vol. 5, Quebec Gr. [Sig. crested.] 

 devinei, Billings, 1865, Pal. Foss., Quebec 



Gr. [Ety. proper name.] 

 flagricaudus, White, 1874, Rep. Invert. 



Foss., Quebec Gr. [Sig. whip-tailed.] 

 granulosus, see Ptychaspis granulosa, 

 hisingeri, Billings, 1865, Pal. Foss., Que- 

 bec Gr. [Ety. proper name.] 

 imcensis, see Conocephalites iowensis. 

 latifrons, Shumard, 1863, Trans. St. Louis 



Acad. Sci., vol. 2, Potsdam Gr. [Sig. 



broad-fronted.] 

 limbatus, Hall, 1863, 16th Reg. Rep. N. 



Y., Potsdam Gr. [Sig. bordered.] 

 magnificus, Billings, 1860, Can. Nat. & 



Geo., vol. 5, Quebec Gr. [Sig. mag- 

 nificent.] 

 megalops, Billings, 1860, Can. Nat. &, 



Geo., vol. 5, Quebec Gr. [Sig. large- 

 eyed.] 

 miniscaensis, see Ptychaspis miniscaensis. 

 minnesotensis, Owen, 1852, Rep. Wis., 



Iowa & Minn., Potsdam Gr. [Ety. 



proper name.] 

 minnesotensis, rar. limbatus, Hall, 1863, 



16th Reg. Rep. N. Y., Potsdam Gr. 



[Sig. bordered.] 

 misa, Hall, 1873, 16th Reg. Rep. N. Y., 



Potsdam Gr. [Ety. proper name.] 

 missisquoi, Billings, 1865, Pal. Foss., 



Quebec Gr. [Ety. proper name. ] 

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



Potsdam Gr. [Ety. proper name.] 

 oweni, Billings, 18(50, Can. Nat. & Geo., 



vol. 5, Quebec Gr. [Ety. proper 



name.] 

 pauper, Billings, 1865, Pal. Foss., Quebec 



Gr. [Sig. poor, small.] 

 pepinensis, Owen, 1852, Rep. Wis., Iowa 



and Minn., Potsdam Gr. [Ety. proper 



name.] 

 planifrons, Billings, 1860, Can. Nat. & 



Geo., vol. 5, Quebec Gr. [Sig. having 



a plane front.] 



