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NEW YORK STATE MUSEUM 



Echinocaris punctata, 6i 7 . 

 Ectenodesma 'sp. nov., 62 1 . 

 Elymella levata, 63 s . 

 Encrinal limestone, 48 3 . 

 Euomphalus laxus, 62". 



planodiscus, 44". 

 Eurypterus remipes, 30/'. 



Gastropods, 62 1 . 

 Genesee shale, 5o'-5i 2 . 

 Glossites ?, 63-. 



depressus, 63*. 

 Glyptodesma erectum, 62 s . 

 Gomphoceras conradi, 44 s . 



fischeri, 44". 



oviforme, 44 s . 



solidum, 44". 

 Goniophora sp., 62 s . 



chemungensis, 62 s . 



rugosa, 62 s . 

 Grammysia sp., 62*. 



arcuata, 62 s . 



bisulcata, 62 s . 



cf. constricta, 62 s . 



lirata, 62 s . 



magna, 62°. 

 Gyroceras trivolve, 42 7 . 



Hamilton group, 45*. 

 Hartnagel, cited, 37 s . 

 Hederella, 64 s . 



Helderbergian limestone, 39*-40 4 . 

 Hipparionyx proximus. 41 4 . 

 Holopea sp. nov. ?, 62*. 



antiqua, 39*. 

 Homalonotus dekayi, 48', 61 7 . 

 Hypothyris cuboides, 50', 64 s . 



Ithaca fauna of central New York, 



by J. M. Clarke, 53-65. 

 Ithaca flags and sandstone, 52 2 . 



Lamellibranchs, 62*-6j. 

 Eeda brevirostris, 63 s . 

 Leperditia alta, 38 s , 39 s . 



scalaris, 36 s , 37*. 

 Ecpidodendron, 65 s . 

 Leptacna rhomboidalis, 40*, 42", 63° 



ventricosa, 41*. 



Leptocoelia, 40 3 . 

 Leptodesma sp., 62*. 



naviforme, 62*. 



protextum, 62*. 



rogersi, 62 s . 



spinigerum, 62®. . 

 Leptostrophia sp., 63 s . 



becki, 40 3 . 



mucronata, 63 s . 



nervosa, 63*. 



perplana, 63 1 . 

 Lingula sp., 63*. 



punctata, 63*. 

 Liopteria bigsbyi, 62®. 



dekayi, 62 s . 



sayi, 62 s . 

 Liorhynchus globuliformis, 



limitaris, 44 4 , 44®, 45". 



multicosta, 64*. 



multicostata, 45 7 . 



quadricostatus, 64 7 . 

 Loxonema, 62 1 . 



delphicola, 44 s . 

 Ludlowville shale, 47 1 ~48 2 . 

 Lunulicardium curtum, 44 n . 

 Lyriopecten ?, 62*. 



sp. nov., 62 7 : 



tricostatus, 62 1 . 



Macrochilina sp. nov. ?, 62 2 . 



onondagensis, 44 s . 

 Manlius limestone, 38 9 -3Q*. 

 Manticoceras pattersoni, 51 s . 

 Marcellus shale, 42 8 -44 fl . 

 Meristella laevis, 40 8 . 



lata, 4i B . 

 Mesothyra ?, 44*. 

 Microdon bellistriatus, 63 2 . 

 Modiomorpha sp., 62 1 . 



concentrica, 62 s . 



mytiloides, 62". 



subalata, 62 1 . 

 var. chemungensis, 62 T . 

 Moscow shale, 48*. 

 Murchisonia sp. nov., 62*. 

 Mytilarca sp., 63'. 



cf. chemungensis, 63 1 . 



cf. oviformis, 63 1 . 



