INDEX. 



561 



rtychopteria spatalata, StUl, . 



I'. Spio, Ball, . 



P. Thalia, floK, . 



P. Thetis, Ball, 



P. trigonaliis, Ball, 



P. Vanuxemi, Ball, . 



Rhynchonella congi'o^tji. 



Sanguinolaria, . 



S. laniellofia, Oold/tut, . 



PAGE. 



. 144 



137, ISS 



. 148 



136, ise 



140, 144 



ISl 



■JSl, SIO 



li 



. 308 



SANGIIISOI.ITKS, McCoy, XXX, xxxiii, xxxiv, I, 11, 175, 508 



S. acutut. Hall a» 



5. .£olut. Hall, 404 



S. amygdaUnu>,\Vinc.he\], 291 , 4»5, 496, 497, 501 



S. arca/ormia. Hall, .... xxxiii, 39.') 



S. carinatus, (Conrad) Hall, . ,301 



S. ChemungeiuU, Vanuxein, . . 303 



S.I elavultu. Hall 401 



S. euiuatut, (Conraill Hall, . . . :i!IU 



S.I fiaviut. Hall 40:1 



S. Olaucu; Hall *« 



,sr. Bamiltonensis, Hall, . . -296 



S. Ida, Hall, ...... 300 



S perangulatut. Hall, ..... '293 



S.I pondero$u$. Hall 271 



S. rtgidtu, (White .<t W'liitliclill Hall, . 3U-.I, 400, 402 



jr. rugotut, (Conraill Hall, .... 297 



S. toleuoida. Hall, :t»8 



S. ntbtortuoMtu, Hall, .... 397 



.S (?) »ulitruni-atu8. Hall 508 



S. tulcalus, MrCo.v, ..... li 



S. tulc\ftrut. Winchcll 487 



S. <run<»i<u«, (Conrail, 8p.l Hall, . . 394, 482 



S. undaiui. Hall. ..... 481, AOK 



S. (?) unc|ulatu:<, Ball. ..... SOS 



S. ralvultu. Hall 4U3 



S. rentriconu, (White A Whitllelil) Hall, 407, 408 



S. e«n<r<c<Mtu, (White .t WhilMclillS. A Miller, . 408 



»CHIZt>ui:n, King, ssxix. 1 ill, 44.5, 417, 451 



8. a.-i|uali9. Ball 459 



S. UMtrviMi^, {Conrad) Ball, xl. 448, 449, 4.'>0, 4.52, 4.54 



.S. Cayuga, Hall  . 449 



■S. Cheinungenni^, iConrad) Ball, . 453, 4.Vi 



S. Chemungcn!«is, var. (|ua<lrangularis, 454, 4ft(> 



8. contractus, Ball *51, 45U 



8. cuneus. Ball. .... 4,51, 458 



8. degener, B€ill, ...... 456 



S. elhpticus. Ball 450 



8. eminent. Ball, ...... 457 



8? flMa, HaU *47 



8. gregariuii. Ball 4S« 



