106 BIBLIOGRAPHY AND INDEX OF N. A. GEOLOGY, (bull. 162. 
ADDENDA TO BIBLIOGRAPHIES OF PREVIOUS YEARS. 
The papers in the foregoing bibliography which have the following 
numbers were printed in 1895, 1896, and 1897, or bear one of these dates. 
A few were overlooked in compiling the literature of those years (Bul- 
letins 146, 149, and 156), but the greater portion were not received in 
time to be incorporated therein: 
1895. 
183 
1896. 
869 
380 a, 380 b, 
415 
481 
510 
756 
1897. 
33 
118 
154 
325 
490 
702 
34 
119 
180 
326 
552 
756 
46 
120 
192 
327 
559 
766 
47 
121 
193 
331 
568 
868 
75 
132 
241 
334 
569 
874 
76 
142 
252 
358 
570 
910 
112 151 300 405 579 913 
