186 
TABLE OF PROPORTIONS TO THE SQUARE YARD— TANGIER 
SOUND. 
Name of Bed. 
No. of Hauls 
of Dredge. 
1878. 
1879. 
Differ- 
ences. 
Horsey’s Bar 
6 
0.254 
Tyler’s Rock 
12 
0.529 
Were Point 
50 
1.254 
0.840 
—.414 
Shark’s Fin 
80 
1.014 
0.328 
—.686 
Drumming Slioal 
57 
0.994 
Tangier Grass 
100 
1064 
0.372 
—.692 
Turtle Egg Island 
55 
0.382 
0.295 
—.087 
Mud Rock... 
52 
0.642 
0 515 
—.127 
Chain Shoal 
41 
1539 
0 242 
— 296 
Piney Island Bar. 
198 
0 687 
0.544 
—.143 
Muscle Hole 
87 
0.826 
0.746 
— 080 
Manokin River 
90 
0.134 
0.320 
— J-.186 
Big Annemessex River 
4 
0.560 
0.665 
+.105 
Harris’ Rock 
109 
0.281 
0.423 
+.142 
Terrapin Sands 
51 
0.271 
0.423 
+.152 
Jane’s Island 
14 
0.670 
Woman’s Marsh 
110 
0.240 
0.125 
—.115 
Great Rock 
151 
0.165 
0.265 
+.100 
Little Thoroughfare 
35 
0.145 
0.104 
—.040 
Great Thoroughfare 
32 
0.115 
0.236 
+.121 
California Rock 
79 
0.212 
0261 
+.049 
Johnson’s Rock 
17 
0.187 
0.074 
—.113 
TABLE OF PROPORTIONS TO THE SQUARE YARD— POCO- 
MOKE SOUND. 
Name of Bed. 
No. of Hauls 
of Dredge. 
1878. 
1879. 
Differ- 
ences. 
Upper Pocomoke Beds 
79 
0.139 
Muddy Marsh 
20 
0.405 
0.070 
—.335 
Bird Rock 
58 
0.360 
0.124 
—.236 
Hern Island Rock 
39 
0.294 
0.110 
—.184 
Parker’s Rock 
21 
0.573 
0.303 
—.270 
Brie Rock 
23 
.269 
0.154 
—.115 
The proportion of oysters to the square yard ascertained, as 
described in my report of the investigation of 1878, has been 
calculated for each bed, and the results tabulated, together 
with those of the previous season, for convenience of com- 
parison. 
Though a standard has been established by the proportions 
