TWENTYSETENTH ANNUAL MEETING. 211 



581—6 78 3—6 Black Hard limestone, fossils. 



585—1 79 3—7 Gray Hard limestone, shell fossils. 



592—7 80 7—8 Dark Limestone, clay streaks. 



599—7 81 7-0 Dark Hard laminated fireclay. 



609—7 82 10—0 Blue Hard laminated fireclay. 



612—7 83 3-0 Light gray Limestone. 



617—7 84 5-0 Dark gray Limestone. 



627 — 3 85 9 — 8 Gray Limestone. 



630—3 86 3—0 Black Clay, mixed with lime. 



636—3 87 6—0 Gray Limestone. 



V.39— 5 88 3—2 Blue Clay, mixed with lime. 



640—2 89 0—9 Gray Limestone. 



641-0 90 0—10 Blue Clay. 



642 — 4 91 1 — 4 Gray Limestone. 



643—2 91 0—10 Blue Clay. 



645—2 " 93 2—0 Gray Limestone. 



648 — 7 94 3 — 5 Blue Clay, mixed with limestone. 



653—9 95 5—2 Blue Mud. 



663—7 96 9—10 Blue Clay. 



668—7 97 5—0 Blue Clay. 



672 — 11 98 4—4 Gray Limestone. 



688—11 99 16-0 White Limestone. 



699 — 5 100 10 — 6 Dark Soft clay and mud. 



706 — 3 101 6 — 10 Gray Limestone, streaks of clay. 



712 — 3 102 6 — Gray Limestone, small pieces. 



715—3 103 3—0 Blue Mud. 



718 — 3 104 3 — Dark Hard laminated fireclay. 



724—4 105 6—1 Dark Mud. 



731—4 106 7—0 Gray Hard limestone. 



733—9 107 2—5 Black Hard fireclay. 



735—6 108 1—9 Gray Hard limestone. 



740—0 109 4—6 Black Hard laminated fireclay. 



747—8 110 7—8 Dark Hard laminated fireclay. 



750—0 111 2—4 Gray Hard limestone. 



755—0 112 5-0 Gray Hard limestone. 



756—6 113 1—6 Gray Hard limestone. 



761—3 114 4—9 Dark Hard fireclay. 



762 — 8 115 1 — 5 Light Limestone. 



763—8 116 1-0 Dark Limestone. 



764—11 117 1—3 Light Limestone. 



770—2 118 5—3 Blue Soft clay. 



774—5 119 4—3 Dark Fire clay. 



777—6 120 3—1 Light Limestone. 



788-0 121 10—6 Dark Slate, mixed with limestone, 



789—3 122 1—3 Dark gray Limestone. 



793—3 123 4-0 Dark gray Limestone containing fossil shells. 



802-0 124 8—9 Light Hard limestone. 



811 — 125 9 — Gain in measuring rods. 



815—3 126 4—3 Dark Clay, mixed with limestone. 



826—3 127 11-0 Light Limestone. 



829—9 128 3—6 Dark Conglomerate limestone. 



835—3 129 5—6 Very dark Laminated clay or slate. 



