90 BULLETIN NO. 30, UNITED STATES NATIONAL MUSEUM. 



Page. 



C ( Oolpoearis) elytroides. Meek, 1872, pi. xviii, figs. 5 a-e 319-320 



Subgenus Solenocarig, Meek, 1872 320-321 



C. iSolenocarin) strigata, Meek 1872, pi. xviii, figs. 4 a-« 321 



Tetradecopoda. 



1 Archceocaris, Meek, 1872 321 



A. vermifonniD, Meek, 1872, pi. xviii, fig. 7 321-322 



Irilobita. 



Phillipsia, Portlock, 1843 323 



P. (OHffithidea?) lodiensis, n. s., Meek, 1875, pi. xviii, fig. 3 323-325 



COAL MEASUKE SPECIES. 



MoUusca. 



Polyzoa. 



Synodadia, King, 1849 326 



S. biserialis, Swallow, 1858, pi. xx, flga. 5 a.,b.' 326-327 



Ptiludictya, Lonsdale, 1839 327 



P. iStietopora), sereata, n.s.. Meek, 1875, pi. xx, fig. 4 327-328 



P. (Stictopora) carbonaria, Meek, 1871, pi. xx, figs. 3 a,b 328 



Brachiopoda. 



Spiri^er, Sowerby, 1815 329 



S. (Trigonotreta) opinus, Hall? 1858, pi. xix, figs. 14 a-d {e/} 329-330 



MoUusca (Proper). 



Lamellibranchiata. 



Ariculopecten, McCoy, 1851 330 



A. (Streblopteria hertzeri, n. s., Meek, 1875, pi. xix, figs. 13 a-c 330-331 



Placunopsig, Morris & Ly cett, 1853 331 



P. recticardinalis, n. s.. Meek, 1875, pi. xix, fig. 12 331-333 



Posidonomya, Brown, 1837 333 



P.fracta, n.s.. Meek, 1875, pi. xix, figs. 1 a,b 333-334 



Macrodon, Lycett, 1845 334 



If. obsoletus, Meek, 1871, pi. xix, fig. 9 334-335 



Toldia, Moller, 1842 385 



T. Stevenson i, Meek, 1871, pi. xix, figs. 4 a,b 335 



y. (Palaioneilo I) carbonaria, Meek, 1871, pi. xix, fig. 5 336 



Schizodus, King, 1844 336 



S. cuneatus, n. s.. Meek, 1875, pi. xx, fig. 7 .*. 336-337 



Aviculopinna araericana, Meek, 1867, pi. xx, fig. 2 337-338 



Pleurophorus, King, 1844 338 



P. tropidophorus,u. s.. Meek, 1875, pi. xix, figs. 10 a,b 338-339 



Solenomya, Lamarck, 1818 339 



,S. ?f anodontoides, n. s., Meek, 1875, pi. xix, fig. 11 339-340 



J.«tor««Ha, Hall, 1858 , 340 



A. newberryi,n. s., Meek, 1875, pi. xix, fig. 3 340-341 



A. varica, McChesney, 1860, pi. xix, fig. 2 341 



Astartella, sp., Meek, pi. xix, fig. I a,b 341-342 



Cypricardina, Hall, I860 342 



a 9 carbonaria, Meek, 1871, pi. xix, fig. 8 a, & 342-343 



Allorisma, King, 18*4 343 



J..costa«(i, M. &"W".,1869, pi. xix, figs. 6 a,b 344-345 



Oasteropoda. 



Platyceras, Conrad, 1840 345 



P. toTtum, Meek, 1871, pi. xx, figs. 1 a-c 345 



Macrocheilus, Phillips, 1841 346 



M. Wipj;ar«i, Meek, 1872, pi. xx, figs, 6 o-c 346-347 



99. 



Meek, F. B., and A. H. Wortiiex. Paleontology of Illinois. Descriptions of Inver- 

 tebrates. <^Geological Survey of Illinois, vol. vi, section ii, pp. 491-532, plates 

 23-32. 1875. Springfield, 1875. 



Published by authority of the legislature, 1875. 



Genus Carbonarca. A portion of these descriptions are by Mr. Worthen alone, and are not 

 mentioned in the following list : 



