20 REPORT OF NEW JERSEY STATE MUSEUM. 
No. 32. Magnesite. 
No. 33. Hydromagnesite. 
Paleozoic. 
No. 34. Hardyston quartzite. 
No. 35. Quartzite. 
No. 36. Kittatinny limestone (blue). 
No. 37. Kittatinny limestone (pink). 
No. 38. Trenton limestone conglomerate. 
No. 39. Trenton limestone—cement rock. 
No. 40. Ground cement rock. 
No. 41. Portland cement clinker. 
No. 42. Portland cement. 
No. 43. Slickensided rock. 
No. 44. Hudson River slate. 
No. 45. Hudson River slate (weathered). 
No. 46. Eleolite—syenite. 
No. 47. Shawangunk (Oneida) conglomerate. 
No. 48. Decomposed Shawangunk sandstone. 
No. 49. Medina sandstone. 
No. 50. Decker Ferry limestone. 
No. 51. Rondout limestone. 
No. 52. Manlius limestone. 
No. 53. Coeymans limestone. 
No. 54. Gypidula (Pentamerus) galeata. 
No. 55. Esopus (Cauda Galli) grit. 
No. 56. Onondaga (Corniferous) limestone. = 
Mesozoic.—Triassic. 
No. 57. Stockton arkose. 
No. 58. Lockatong argillite. 
No. 59. Brunswick shales. 
No. 60. Brunswick sandstone. 
No. 61. Baked shales. 
No. 62. Trap rock—intrusive. 
No. 63. Trap rock—extrusive. 
No. 64. Weathered trap rock. 
No. 65. Fossil fish. 
No. 66. Fossil fish. 
No. 67. Calcite crystals. 
No. 68. Stilbite crystals. 
No. 69. Natrolite crystals. 
No. 70. Native copper or copper ore. 


Mesozoic.—Cretaceous. 
No. 71. Fire clay. 
No. 72. Saggar clay. 
No. 73. Brick clay. 
No. 74. Pyrite balls. 
No. 75. Lignite. 
