122 



BRACHIOPODA. 



exanthemata, Hall, 1857, (Productus ex- 

 anthem atus) 10th Keg. Eep., Ham. 

 Gr. [Sip:, covered with eruptions.] 



hirsuta, Hall, 1857, (Productus hirsutus) 

 10th Reg. Rep., Chemung Gr. [Sig. 

 rough, hairy.] 



hirsuta var. rectispina. Hall, 1867, Pal. 

 N. Y., vol. 4, Chemung Gr. [Sig. 

 straight-spined.] 



hystricula. Hall, 1867, Pal. :\'. Y., vol. 4, 

 Chemung Gr. [Sig. somewhat cov- 

 ered with spines.] 



lachrymosa, Conrad, 1842, (Strophomena 

 lachrymosa) Jour. Acad. Nat. Sei., 

 vol. 8, Chemung Gr. [Sig. full of 

 tears.] 



lachrymosa var. lima, Conrad, 1842, 



(Strophomena lima) Jour. Acad. Nat. 



Sci., vol. 8, Chemung Gr. [Sig. 



crooked or rough.] 

 laychrymosamr. stigmata, Hall, 1867, Pal. 



N. Y., vol. 4, Chemung Gr. [Sig. 



marked, branded.] 

 navicella, Hall, 1857, (Productus navi- 



cella) 10th Reg. Rep., Cornif. & Ham. 



Gr. [Sig. a small boat.] 

 newberryi. Hall, 1857, (Productus new- 



berryi) 10th Reg. Rep., Chemung Gr. 



[Ety. proper name.] 

 onusta, Hall, 1867, Pal. N. Y., vol. 4, 



Chemung Gr. [Sig. filled.] 

 papulata. Hall, 1867, Pal. N. Y., vol. 4, 



Ham. Gr. [Sig. pimpled.] 

 pyxidata. Hall, 1858, (Productus pyxi- 



datus) Geo. of Iowa, Ham. Gr. [Sig. 



made like a box.] 

 rarispina. Hall, 1857, (Productus raris- 



pinus) 10th Reg. Rep., Chemung Gr. 



[Sig. having few spines.] 

 shumardiana. Hall, 1858, (Productus 



shumardianus) Geo. Rep. of Iowa, vol. 



1, pt. 2, Cornif. Gr., Marcellus shale. 



Ham. Gr., Burlington and Tully lime- 

 stone. [Ety. proper name.] 

 speciosa. Hall, 1857, (Productus specio- 



sus) 10th Reg. Rep., Chemung Gr. 



[Sig. beautiful.] 

 spinulicosta, Hall, 1857, (Productus spin- 



ulicostus) 10th Reg. Rep., Marcellus 



shales & Ham. Gr. [Sig. spined and 



ribbed.] 

 striatula, Hall, 1867, Pal. N. Y., vol. 4, 



Chemung Gr. [Sig. somewhat stri- 

 ated.] 

 subaculeata, Murchison, 1840, (Productus 



subaculeatus) Bui. Soc.Geo. de France, 



vol. 5, Cornif. Gr. [Sig. somewhat 



prickly.] 

 subalata, Hall, 1857, (Productus subala- 



tus) 10th Reg. Rep., Ham. Gr. [Sig. 



somewhat winged.] 

 truncata. Hall, 1857, (Productus trunca- 



tus) 10th Reg. Rep., Marcellus shales 



& Ham. Gr. [Sig. cut short.] 

 tullia, Hall, 1867, Pal. N. Y., vol. 4, Ham. 



Gr, [Ety. proper name.] 



Productus, Sowerby, 1814, Min. Conch., 



vol. 1. [Ety. productus, produced — so 



named from one valve of the shell 



being prolonged beyond the other, 



and often to a great extent.] 

 ^equicostatus, Shumard, 1855, Geo. ReiJ. 



Mo., Coal Meas. [Sig. equal -ribbed.] 

 aUernatus, Norwood & Pratten, 1854, 



Jour. Acad. Nat. Sci., 2d series, vol. 3, 



Keokuk Gr. [Sig. alternating.] 

 altonensis, Norwood & Pratten, 1854, 



Jour. Acad. Nat. Sci., 2d series, vol. 3, 



Chester Gr. [Ety. proper name.] 

 americanus, Swallow, 1863, Trans. St. 



Lonis Acad. Sci., Up. Coal Meas. 



[Ety. proper name.] 

 arctirostratvs, see Productella arctirostrata. 

 arcuatus. Hall, 1858, Geo. Rep. Iowa, 



Kinderhook Gr. [Sig. arched, bent 



over.] 

 asper, McChesney, syn. for P. nebrascen- 



sis,. 

 auriculatus, Swallow, 1863, Trans. St. 



Louis Acad. Sci., Coal Meas. [Sig. 



having ear-like appendages.] 

 biseriatus. Hall, 1858, Trans. Alb. Inst., 



vol. 4, Warsaw Gr. [Sig. in double 



rows or series.] 

 boonensis. Swallow, 1858, Trans. St. Louis 

 • Acad. Sci., Coal Meas. [Ety. proper 



name.] 

 hoydi, see Productella boydi. 

 calhounianus. Swallow, 1858, Trans. St. 



Louis Acad. Sci., Coal Meas. [Ety. 



proper name.] Prof. Meek regarded 



this name as a synonym for B. semi- 



reticidatus. 

 callawayensis, Swallow, 1860, Trans. St. 



Louis Acad. Sci., Low. Devonian. 



[Ety. proper name.] 

 cancrini, as identified by Geinitz, is P. 



pertenuis of Meek. 

 co'paci, D'Orbigny, 1843, as identified by 



early authors, is referred to P. longi- 



spiniis. 

 cestriensis, Worthen, 1860, Trans. St. 



Louis Acad. Sci., Chester Gr. [Ety, 



proper name.] 

 clavus, Norwood & Pratten, 1854, Jour. 



Acad. Nat. Sci., 2nd series, vol. 3, Coal 



Meas. [Sig. club-shaped.] 

 comoides, as identified by d'Archiac & 



Veneuil. Not American. 

 concentricus, see Productella concentrica. 

 confragosus, Harlan, 1835, Trans. Geo. 



Soc. Penn., Carb. [Sig. rough, un- 

 even.] 

 cooperensis. Swallow, 1860, Trans. St. 



Louis Acad. Sci., Chemung Gr. [Ety. 



proper name.] 

 cora, d'Orbigny, 1842, Geol.Voy. Amer., 



Coal Meas. [Ety. mythological name.] 

 cora var. mogoyoni, Marcou, 1858, Geo. 



N. Amer., Low. Carb. [Ety. proi)er 



name.] 

 coriformis, Swallow, 1863, Trans. St. Louis 



Acad. Sci., liow. Carb. [Sig. like 



Productus cora.'] 



