26 

 ©iclisnia, Kafinesque. {Licertw sedis.) 18!^1. 



Add. Sci. Phys. Broxelles, 1820, p. 22Z; Dame cited without any de- 

 scription in Mon. Turbiuolies de Kentucky. Id. Mod. Biv. Shells Ohio, 

 1831, p. 7. No ex. cited. Genua incert. 



Uicoelosia, King. Stropkomenidce. 1850. 



Mon. Perm. Fo38. p. 106. (&n.) Type Anmmabiloba, Liu. Dav. I85:i, 

 t. viii, f. 143-5, sect. Orthis. ( = Bilobite8, Linn6.) 



©ieoBicha ioaseqtaaMs, Klein. Invertehrata. 17^3. 



Ostracol. p. 171. Non-binomial. Section containing genera, Terebra- 

 tula, Concha triloba, Concha adunca, Bursula, Globus, Stola, Concha ansata. 



15ics*anBSCM§, Meek. Bhynchonellidce. 1873. 



Am. Journ. Sci. and Arts., 3d ser. iv, p. 28. Type D. orioni, Meek, 1. c. 

 Pal. Ohio, 1873, 1, p. 176, pi. xv, f. 1 a-k. ( = Triplesia, Hall.) 



Dictyonella, Hall, MS. f Bhynchonellidce. 



20th Regent's Report, p. 274, Mar. 1867. (Sil.) Type Atrypa coral- 

 lifera, Hall , Pal. N. York. 1852, p. 281. ( = Eiohwaldia, Bill.) 



Dielasma, King. TerebratuUdcc. 18^9* 



Proc. Dublin Un. Bot. Zool. Assoc, i, p. 260. Type Terebratula elongata, 

 Schlotheim. Dav. Perm. Brach.p. 7, f. 5, 17, 18, 20. {=^ Einthyria,K\-a^, 

 not Phillips. Cf. Seminula, M'Coy, 1855, not 1844.) 



l>i§"noBiiia, Hall. Lingulidce. 1871. 



23d Regent's Rep., p. 245, pi. 13, f. 3, 1873. Extras Mar. 1871, fide Hall. 

 Type D. alveata, Hall, 1. c. . 



Diinea'clla, Zittel. Bhynchonellidce. 1870. 



Dunker & von Meyer, Paleont. p. 220. Tj'pe D. GumbelU, Zittel, 1. c. p. 

 222, pi. xli, f. 27-30. Syu. Atrctia, Jefifr. Cryptopora, Jeffr. 



UinoboRus, Hall. Trimerellidcv. 1871. 



23d Regent's Rep. p. 247, 1873. Extras, Mar. 1871, fide Hall. Typo 

 Otohis CoHr«fZf, Hall, 20th Reg. Rep. p. 368. (Compare ^mUs, Volborth, 

 1869.) Adt. Dav. & King, Qnart. Journ. Geol. Soc. London, May, 1874, 

 p. 159, pi. xviii, f. 1-4. (Cf. ObolelUna, Bill.) 



UipEiyites, Scbroter. {Incertce sedis.) 1779. 



Lith. Lex. ii, p. 423. Non-binomial. (? = Pygope, Link.) 



Dlplothyridsc, Qnenstedt. Arthropomata. 1871. 



Petref. Deutschl. ii, p. 27. Subsect. Productidce cont. Orthis, Orthisina, 

 Leptana, Strophomena, Streptorhynchus, Hystcrolithus, Dicoelosia, Lvpto- 

 coelia. {Diplothyra, Tryon, =:gen. Pholadacea.) 



©ascinJi, Lamarck. Discinidce. 1819. 



Hist. An. s. Vert, vl, p. 236. Type D. ostreoides. Lam. (not described), = 

 Orhicula norvegica, Sow. non. Lam.= Crania striata, Schum. -j- C. radiata, 

 Gould, Moll. U. S. Expl. Exped. p. 465, f. 480, a-c, 1852. (Recent.) 



E>i§cma, Ball. Discinidce. 1S7 \. 



Bull. Mus. Comp. Zool. iii, p. 39, 1871. Subg. Discina, typo D. striata, 

 Schum. sp. (^= Discina, Lam. sens. Btr.) 



