104 



BRACHIOPODA. 



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

 [Ety. amphi, on both sides; gejiea, 

 growth.] 



carta, Meek & Worthen, 18G8,(Strickland- 

 inia elongata var. curta) Geo. Sur. 111., 

 vol. 3, Oriskany sandstone. [Sig. 

 short.] 



elongata, Vanuxem, 1842, (rentanierus 

 elongata) Geo. 3rd Dist. N. Y., Scho- 

 harie grit & Up. Held. Gr. [Sig. elon- 

 gated.] 



elongata var. undulata, Hall, 1867, Pal. N. 

 Y., vol. 4, Up. Held. Gr. [Sig. waved.] 



elongata var. subtrigonalis. Hall, 1857, 

 (Meganteris subtrigonalis) 10th Reg. 

 Rep., Up. Held. Gr. [Sig. somewhat 

 triangular.] 

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

 [Ety. ana, with ; stroplie, a turning 

 round ; the relation of the valves is 

 the reverse of that of Penlnmenis.] 



interplicata. Hall, 18.52, (Atrypa interpli- 

 cata) Pal. N. Y., vol. 2, Niagara Gr. 

 [Sig. from the interplications.] 



reversa, Billings, 1857, (Pentamerus re- 

 versus) Kep. of Prog. Mid. Sil. [Sig. 

 reversed; the dorsal valve being 

 largest.] 



verneuili. Hall, 1K59, Pal. N. Y., vol. 3, 

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

 Anomia, LinnKus, 1767, Syst. Nat., 12th Ed. 

 [Ety. anomioa, unequal.] 



bihha, see Orthis biloba. 



pecten, see Strophomena pecten. 



retinihirix, see Atrypa reticularis. 

 AnomltPK, Wahlenberg, 1821, Act., Upsal. 



e.'-porrectns, see Cyrtia exporrecta. 



glaber, see Spiritera glabra. 



piivciatus, see Productus punctatiis. 



rempinatns, see Orthis resupinatus. 



relini1ari.'<, see Atrypa reticularis. 



rhomboidalk, see Strophomena rhomboi- 

 dalis. 



scahriculm, see Productus scaljriculus. 



semiretiriiJatux, see Productus semireticu-f 

 latus. 

 Athyris, McCoy, 1844, Carb. Foss. Ireland. 

 [Ety. o, without; Ihnris, nsma.\\ door; 

 in allusion to the absence of a deltidi- 

 um or door. But the name is erro- 

 neous.] 



americana. Swallow, 1 S 6 3 , Trans. St. 

 Louis Acad. Sri,, Low. Carb. [Ety. 

 proper name.] 



angelica, Hall, LSlil, 14th Reg. Rep., Che- 

 mung Gr. [Ety. proper name.] 



argentea, Shepard, 1838, Am. .Jour. Sci., 

 Up. Coal Meas. [Sig. pertaining to 

 silver.] 



biloba, Winchell, 1865, (Spirigera biloba) 

 Proc. Acad. Nat. Sci., Kin<lerhook Gr. 

 [Sig. double-lobed.] 



caput-serpentis. Swallow, 1863, Trans. St. 

 Louis Acad. Sci., Up. Coal Meas. 

 [Ety. caput, head; nn-pejvt, a serpent.] 



charitonensis. Swallow, I860, (Spirigera 

 charitonensis) Trans. St. Louis Acad. 

 Sci., Coal Meas. [Ety. proper name.] 



chloe, Billings, 1860, Can. Jour., vol. 5. 

 Devonian. [Ety. proper name.] 



clara, syn. for MerLstella nasuta. 



clintonensis. Swallow, 1863, Trans. St. 

 Louis Acad. Sci., Low. Carb. [Ety. 

 proper name.] 



cora, Hall, 1860, 13th Reg. Rep., Ham. & 

 Chemung Gr. [Ety. mythological 

 name.] 



corpulenta, Winchell, 1863, (Spirigera 

 corpulenta) Proc. Acad. Nat. Sci., Che- 

 mung Gr. [Sig. corpulent] 



crassicardinalis. White, 1860, Bost. Jour. 

 Nat. Hist., vol. 8, AVaverly Gr. [Sig. 

 thick on the hinge.] 



eborea, Winchell, 1866, Rep. Low. Pen- 

 insula Mich., Ham. Gr. [Sig. made 

 of ivory.] 



euzona. Swallow, 1863, Trans. St. Louis 

 Acad. Sci., Low. Carb. [Sig. beauti- 

 fully girdled.] 



differentis, McChesney, 1860, New Pal. 

 Foss., Carb. [Sig. different.] 



formosa. Swallow, 1863, Trans. St. Louis 

 Acad. Sci., Low. Carb. [Sig. beauti- 

 ful.] 



fultonensis. Swallow, 1860, (Spirigera 

 fultonensis) Trans. St. Louis Acad. 

 Sci., Ham. Gr. [Ety. proper name.] 

 hannibalensis. Swallow, 1860, (Spirigera 

 hannibalensis) Trans. St. Louis Acad. 

 Sci., Chemung Gr. [Ety. proper 

 name.]" 



hawni. Swallow, 1860, (Spirigera hawnii) 

 Trans. St. Louis Acad. Sci., Coal Meas. 

 [Ety. proper name.] 



headi, see Zygospira headi. 



lirmh rar. anticostiensis, see Zygospira 

 headi rar. anticostiensis, 



headi var borcalU, see Zygospira headi var. 

 borealis. 



hirsuta. Hall, 1858, Trans. Alb. Inst., vol. 

 4, Warsaw Gr. [Sig. rough, prickly.] 



incrassata. Hall, 1858, Geo. Rep. Iowa, 

 Burlington Gr. [Sig. thickened.] 



jack.ioni. Swallow, 1860, (Spirigera jack- 

 soni) Trans. St. Louis Acad. Sci., Coal 

 Meas. [Ety. proper name.] 



jidia, see Meristella julia. 



junia, Billings, 186 6, Catal. Sil. Foss. 

 Antic, Anticosti Gr. [Ety. proper 

 name.] 



lamellosa, Leveille, 1835, (Spirifer lamel- 

 losus) Mem. Geol. Soc. France, Wav- 

 erly (rr. [Sig. in very thin plates.] 



lara, Billings, 1866, Catal. Sil. Foss. Antic, 

 Anticosti Gr. [Ety. mythological 

 name.] 



maconensis. Swallow, 1860, (Spirigera 

 maconensis) Trans. St. Louis Acad.' 

 Sci., Coal Meas. [Ety. proper name.] 



maia, see Spirifera maia. 



minima. Swallow, 1860, (Spirigera min- 

 ima) Trans. St. Louis Acad. Sci., Ham. 

 Gr. [Si^. the least.] 



missouriensis. Swallow, 1860, (Spirigera 

 missouriensis) Trans. St. Louis Acad. 

 Sci., Coal Meas. [Ety. proper name.] 



