458 
Hormotoma salteri Ulr....... 23, 24, 25, 26, 27, 28, 
30, 88, 43, 45, 46, 47, 183, XII. 
Hudson River fauna, description of......... 211 
49 
Hyattella lamellosa n. sp........ 76, 258, XXIII. 
Hyolithes centennialis Barrett...... SSeeaaccor 95, 
336, XLIII. 
I, 
Icthyocrinus magnaradialis n. sp........ 86, 299, 
XXXIII. 
Illaenurus columbiana 0. Sp..........16, 135, V. 
Tilaenus trentonensis EMM........-.e0e0 csteecersod to 
Nliff’s pond, fossils near......... Sesonscsal Li4e 
Isotelus canalis (Whitf.).................16, 132, III. 
gigaS DeKay........00..00- scsssLy 22) 205 245 
25, 26, 27, 28, 29, 30, 31, 32, 35, 38, 
40, 41, 42, 43,45, 46, 192, XIV. 
J. 
Jacksonburg, fOSsils at.....ccccoosscscsererseceseres 18 
SCCLION Ab ecccsserdenseccceaseceacte 18 
Jutland, fossils neav.......... ccennerocersoecoceee, 
K. 
Kingston bed3B........ sessces. see GecsersessrarOO noo 
Kattatinny limestone: .<...\....cccsccecscscnceses 11, 15, 16 
Kittatinny valley, formations of ............. 9 
L. 
Lasiograptus mucronatus (Hall)..52, 212, XVI. 
Layton, fossils MEAL..........cccssrccsetssesscccresee 100 
Leperditella ornata n. Sp.......... 43, 209, XVII. 
Leperditia sp. undet ..........sseses sesecsoses22, 70, 76 
Leperditia ? sp. UNGET .......02-0+ 00000 95 
eperditia' alta’ (Cons) i-2..-.vesscoxss cessesee 77, 78, 79, 
259, 265, XXIV. 
altoides 0. Sp ...... .sece 252, XXIII. 
elongata nN. sp. ........ 76, 259, XXIII. 
fabulites (Con.)..........18, 19, 20, 21, 22, 
41, 43, 46, 47, 208, XIII. 
gigantea n. sp.......... 76, 260, XXIII, 
Lepteena bipartita Hall. .:....:0.ccccsssonecascesss 226 
indenta Con.......-.... sccesess a. 276 
rhomboidalis (Wilck.).. ...........64, 65, 
66, 84, 85, 86, 87, 88, 89, 
90, 92, 94, 95, 104, 228, 
278, 302, 325, 366, XX., 
XXVII., XXXIIL., XLI., LI. 
rhomboidalis Wilck. var. ven- 
trico say (ED) 2.5 cece ccessselececseeeees 100 
rhomboidalis var. vyentricosa 
(Hal))........ ST eee 101, 346, XLVI. 
sericea Meek 149 
SP; —— Hall. 5. casccec-ccsctesenoe «a. 226 
Leptena ? nulceata Tali... cccccssecsesescessoos 349 
Leptocelia acutiplicata Hall.........cc0s» sess 370 
concava Hall...........cc00» ose 
INDEX. 
Leptoceelia imbricata Hall.,.......eccssrescscese DLL 
Lichas pustulosus Hall 92, 320, XL. 
Lichenalia sp. Undet. .........cccsceccorscccceossee 64 
Lichenalia? sp. undet 64 
Lichenalia torta Hall....82, 83, 85, 273, XXVL. 
Lingula sp. undet............... 19, 21, 23, 27, 29, 80, 
31, 42, 45, 47, 94, 104, 365 
Philomela Bill?....... sence: eee 145, IX. 
Progne! Bill Wi. ...:ccesccocecvecssseseeee emule 
riciniformis Hall............. 25, 144, IX. 
SpAti0sa ELAN i eacesacecncncqseaseeeeaneeet 300 
Linpula? sp) undet:.2..ccsc:.-cascoceceseassesterse 324 
Lingulasma galenensis U. &S§ .....42, 145, IX. 
Lingulella stoneana Whitf............... 12); 402 sre 
Tbiospirs Sp. UNG irsc-ccscce-vpeccests-nsccecemel 15,128 
micula (Hall) 25, 26, 27, 28, 30, 
32, 338, 34, 182, XII. 
Liostracus? jerseyensis Wellet......- eaeendarraee 119 
Longwood sandstone 
Lophospira sp. undet 
medialis U. &6..........28, 30, 32, 33, 
34, 35, 36, 181, XIT. 
oweni U. &S...... ere bed esp by ie 
Lower Oriskany fauna, description of..... 322 
Loxonema sp. undet..........eece0 63, 103, 371, LI. 
Loxonema ? Sp. UNGEL...... ....sccccee-seceees: 83, 247, 
294, XXII., XXXII. 
Loxonema attenuata Hall....89, 319, XX XIX. 
jerseyensis n. sp .....95, 335, XLII. 
M. 
Manlius limestone..........cssssccrssecsera: seceeeee 05, 79 
Manlius limestone fauna, description of. 260 
Medina sandstone......... dacuoonecenane cccteusnacan meme) 
Megambonia ? sp. undet...............0e0« 95, 333 
Megambonia ayviculoidea Hall... ....... Sovseeat 79, 
263, XXIV. 
bellistriata Hall........101, 360, L. 
PALVA Dl, SP-.:. cc: cccccesorssnscoseag 
333, XLIII. 
Levis vELellircccssencacacecseneseeeea scssepcoenenuea 
primceps Hall :...,|<-css<« <esescssesensen «- ool 
Meristella levis (Van.)..82, 83, 84, 85, 87, 88, 89) 
90, 92, 290, 317%, 
XXXI., XXXVIII. 
Merista lata Hall..........00+« 
Veuteitencascsees 98, 100, 101, 359, XLVII. 
PTINCEPS......00,.00000.99, 331, XLIL. 
Metaplasia plicata n. 8P.........-------- 98, 100, 101, 
102, 356, XLVIII. 
pyxidata (Hall)..100, 355, XLVIII. 
Microdiscus ? sp. undet............00++- 12, 114, III. 
Modiolopsis sp. undet.......... 18,19, 20, 33, 34, 40 
CATINALUS HAl]........c0000 ccoeseves 173 
depressa D. SP ......000 38,171, XI. 
faba (Con.)...........25, 26, 27, 28, 30, 
32, 38, 34, 836, 168, XI. 
jerseyensis 0. gp......... 19, 170, XI. 
Monotrypa sp. Undet...02.....,.ece0. seeceeee 39, 43, 44 
corrugata ND. Sp... 63, 64, 66, 67, 68, 
69, 70, 71, 72, 223, XVIII. 
