43G 



DESCRIPTIONS OF NEW SPECIES OF FOSSILS FEOM THE 



INDEX. 



Name. Figure. Page. 



Ortliis pennsylvanica 1 437 



Orthis subcircula 2 437 



Cboneles punctata 3 438 



Cyrliaa triplicata 4 439 



Syringothyris angulata 5 440 



Syringothyris randalli 6 441 



Meristcllaincerta 7 442 



Rliyn. (Stenochisma) loevia 8 443 



Rhynclionella medialis 444 



Rhynchonolla striata 10 444 



Aviculopecten a-qiialata 11 44.5 



Lyriopecten alternatiis 12 446 



Leptodesma leiopteroiilcs 13 447 



Leptodesma parallelum 14 448 



Ply(,'liopteria obsoleta 1.5 448 



ModiomorpUa rigid ula 16 449 



Name. Figure. Page. 



Modiolopsis subrhomboidca 17 4.50 



Goniopbora curvata 18 450 



Nucula sinuosa 19 451 



Nuciila subtrigona 20 452 



Tellinomyd (Pala'oneilo) ciincata 21 453 



Tellinomya (Palreoneilo) dimhiuens.... 33 453 



Platyceras breve 33 454 



Platyceras dorsale 34 454 



Platyceras intequalc 25 456 



Platyceras mitelliformc 26 456 



Platyceras striatum 37 457 



Platyceras varians 28 458 



Acervularia communis 39 459 



Cladopora rectilineata 30 459 



Ilomalonotus trentonensis 31 460 



ALPHABETICAL LIST. 



Pnge. 



Acervularia communis 459 



Aviculopccten requalata 445 



Cbonetes punctata 438 



Cladopora rectilineata 459 



Cyrtina triplicata 439 



Goniopbora curvata 450 



Homalonotus trentonensis 400 



Leptodesma leiopteroidas 447 



Leptodesma parallelum 448 



Lyriopecten alternatus 446 



Merislella incerta 4 12 



Modiolopsis subrhomboidea 450 



Modiomorpha rigidula 449 



Nucula sinuosa 451 



Nucula subtrigona 4,52 



Orthis pennsylvanica 437 



Page. 



Orthis subcircula 437 



Platj'ceras breve 454 



Platyceras dorsale 454 



Platyceras insequale 456 



Platyceras uiitelliforine 456 



Platyceras striatum 457 



Platyceras varians 458 



Ptycbopteria obsoleta 448 



Rbyn. (Stenochisma) Uevis 443 



Rhynclionella medialis 444 



Rhynclionella striatii 444 



Syringothyris angulata 440 



Syringothyris randalli 441 



Tellinom3'a (Pala;oneilo) cuneata 453 



Tellinomya (Pahconoilo) iliminiieiis 453 



