1302 



NEW YORK STATE MUSEUM 



Leperditia, 1142, 1152, 1164, 1185. 

 sp., 1144, 1164, 1184. 

 alta, 1039, 1051, 1053, 1136, 1163, 



1165, 1185, 1186, 1187, 1223. 

 alta?, 1133, 1134. 



jonesi, 1118, 1119, 1120, 1122, 1123, 

 1128. 



scalaris, 1085, 1123, 1128, 1133, 1134, 

 1140, 1141, 1159, 1161, 1169, 1171. 

 Leptaena rhomboidalis, 861, 1056, 

 1059, 1060, 1062, 1066, 1070, 1120, 

 1121, 1122, 1127, 1128, 1148, 1150, 

 1151, 1164, 1173, 1188, 1189, 1190, 

 1191, 1193, 1197, 1203, 1205, 1206. 

 ventricosa, 1202, 1203, 1206. 

 Leptaenisca concava, 1189, 1206.' 

 Leptocoelia acutiplicata, 1203, 1204. 



flabellites, 1203. 

 Leptodesma sp., 993, 994. 

 sp.?, 995. 



curvatum, 994, 995. 



longispinum?, 992. 



maclurii, 994, 995. 



mortoni, 992, 993. 



mytiliforme, 995. ' 



orodes, 993, 994, 995. 



potens, 992, 993. 



var. juvens, 992, 993. 



protextum?, 992. 



sociale, 992, 993. 



spinigerum, 993. 

 Leptoplastus, 950. 

 Leptostrophia becki, 1203. 



magnifica, 1202, 1203, 1206. See 

 also Stropheodonta (Leptostro- 

 phia) magnifica. 



magniventer, 1202, 1203, 1206. 



oriskania, 1203, 1206. 



perplana, 1205. 

 Lesley, J. P., cited, 976, 977, 988. 

 Lichadae, 946. 



Lichas (bicranogmus) ptyonurus, 1118, 

 1128. 



Lichenalia sp., 1187. 

 sp.?, 1193, 1206. 



cf. concentrica, 1120, 1126, 1128. 



torta, 1188, 1189, 1191, 1206. 

 Limnocaris praecedens, see Ceratio- 



caris (Limnocaris) praecedens. 

 Lindsley, J. G., cited, 1148, 1227. 



Lingula sp., 937, 940-41, 993, 994 

 1004, 1020, 1021, 1022, 1025, 1085 . 

 1134, 1136, 1139, 1160. 



sp.?, 995. 



ligea, 1002. 



quebecensis, 952. 



rectilatera, 1056. 



spatulata, 1002. 

 Lingulella concinna, 940. 

 Linnarsson, cited, 955. 

 Linnarssonia belti, 941. 



transversa, 941. 

 Linney, cited, 895. 

 Liopteria sp.?, 995. 

 Liorhynchus, 1018. 



Liv ingston county, mastodons, 931-32. 

 Localities of American paleozoic fossils 



belonging to the State Museum, 



877-91. 



Logan, Sir William E., cited, 960. 



Long Beards riffs sandstone, expos- 

 ures, 1009, 1011, 1019. 



Loomis, F. B., work of, 870; Dwarf 

 Fauna of the Pyrite Layer at the 

 Horizon of the Tully Limestone in 

 Western New York, 892-920. 



Lorraine shales, thickness, 1120; ex- 

 posures, 1124. 



Loxonema, 913. 



Loxonema?, 1140. 



sp., 1021, 1133, 1186, 1187. 

 delphicola mut. moloch, 913. 



explanation of plate, 1246. 

 fitchi, 1186. 

 moloch, 913. 



Lucas, F. A., cited, 922-23. 



Lunulicardium, Monomyarian affinity 

 of genus, 1231. 

 clymeniae, 1231. 

 hemicardioides, 1232. 

 mulleri, 1232. 



Luther, D. Dana, investigations in 

 Erie and Chautauqua counties, 852- 

 53; work on maps of Canandaigua 

 and Naples quadrangle, 870; field 

 assistant, 871 ; Stratigraphy of Port- 

 age Formation between the Genesee 

 Valley and Lake Erie, 1000-29; 

 mentioned, 1131; cited, 1158. 



Lyriopecten cf. anomiiformis, 993. 



