122 



BRACHIOPODA. 



exanthemata, Hall, 1857, (Produetus ex- 



anthematus) 10th Reg. Rep., Hani. 



Gr. [Sig. covered with eruptions.] 

 hirsuta, Hall, 1857, (Produetus 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. N, Y., vol. 4, 



Chemung Gr. [Sig. somewhat cov- 

 ered with spines.] 

 lachrymosa, Conrad, 1842, (Strophomena 



lachrymosa) Jour. Acad. Nat. 8ci., 



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.] 

 laychrymosa var. stigmata, Hall, 1867, Pal. 



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



marked, branded.] 

 navicella, Hall, 1857, (Produetus navi- 



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



Gr. [Sig. a small boat.] 

 newberryi, Hall, 1857, (Produetus 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, (Produetus pyxi- 



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



made like a box.] 

 rarispina, Hall, 1857, (Produetus raris- 



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



[Sig. having few spines.] 

 shumardiana, Hall, 1858, (Produetus 



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, (Produetus specio- 



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



[Sig. beautiful.] 

 spinulicosta, Hall, 1857, (Produetus 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, (Produetus 



subaculeatus) Bui. Soc.Geo. de France, 



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



prickly.] 

 subalata, Hall, 1857, (Produetus subala- 



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



somewhat winged.] 

 truncata, Hall, 1857, (Produetus 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.] 

 sequicostatus, Shumard, 1855, Geo. Rep. 



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

 alternatus, 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. 



Louis Acad. Sci., Up. Coal Meas. 



[Ety. proper name.] 

 arctirostratus, see Productella aretirostrata. 

 areuatus, 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.] 

 boudi, 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 P. semi- 



reticulatus. 

 callawayensis, Swallow, 1860, Trans. St. 



Louis Acad. Sci., Low. Devonian. 



[Ety. proper name.] 

 cancrini, as identified by Geinitz, is P. 



pertenuis of Meek. 

 capaci, D'Orbigny, 1843, as identified by 



early authors, is referred to P. longi- 



spinus. 

 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. proper 



name.] 

 coriformis, Swallow, 1863, Trans. St. Louis 



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



Produetus cora.} 



