: Index 469 



Greenstones, 71 



Grenville series of New York, 204 



Grimes sandstone, 401 



Grimsby sandstone, 320 



Grit, 31, 34 



Guelph dolomite, 335 



Gypsum, 17, 25 



Hade, 54 



Haeckel, Ernst, cited, 182, 448 



Hamilton beds, 386 



Hanging wall, 54 



Hanover shales, 401 



Hartnagel, C. A., acknowledgment to, 14 



cited, 211, 248, 300, 353, 418, 430, 437, 442, 448, 449, 451 

 Hartnagel, C. A. & Bishop, S. C., cited, 442, 449 

 Hatch flags and shales, 401 

 Heave, 54 

 Helderbergian, 370 

 Hematite, 23 

 Hiatus, 59 



High Falls shales, 342 

 High Point sandstone, 402 

 Hollick, A., cited, 437, 449 

 Holocrystalline, 66 

 Holzwasser, F., cited, 248, 300, 449 

 Hone-stones, 37 

 Hopkins, T. C, cited, 418, 449 

 Hornblende schists, 204, 208 

 Hornblendes, 69 

 Horsetails, 436 

 Hoyt limestone, 241 

 Hudson River group, 288 

 Hudson River shales, 267 

 Hydrocorallines, 20 



Hydroids, 95, 96, 108, 117, 123, 133, 134, 136, 144, 163, 164, 168, 

 172, 175, 176 



eelgrass, 124 



medusa, 174 



passion flower, 124 



pink, 172 



