BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 89 
Haehl, H. L., and others. 
1062. Report of committee [of the San Francisco Association of members 
of the American Society of Civil Engineers] on the geology of the I San Fran- 
cisco] earthquake. — Am. Soc. Civil Eng., Proc, vol. 33, no. 3, pp. 307-313, 7 figs., 
March, 1907; Trans., vol. 59, pp. 216-222, 2 pis., 2 figs., December, 1907. 
Halberstadt, Baird. 
1063. Ilalborstadt's general map of the bituminous coal fields of Pennsyl- 
vania. 1907. 
Haldane, Wm. G. 
A study of the uranium and vanadium belts of southern Colorado. — See Fleck 
and Haldane, no. 878. 
Hall, C. W. 
1064. Some geological features of the Minnesota Seaside Station [Vancouver 
Island]. — Postelsia, the Yearbook of the Minnesota Seaside Station, St. Paul. 
Minnesota, 1906, pp. 305-347, 8 pis. 
Describes the lithology of the southwestern part of Vancou^ i Island and discusses 
the probable age of the rocks and their origin. 
Hall, W. Carvel. 
1065. Report of survey of crest line of Niagara Falls. — F. S. Geol. Sur- 
vey, Bull. no. 306, pp. 26-31, 1907. 
Halla, Otto. 
1066. The beaches of Nome.— Min. and Sci. Press, vol. 94, p. 688, June 1, 
1907. 
Describes the occurrence of plater gold at different levels. 
Halse, Edward. 
The occurrence of pebbles, concretions, and conglomerate in metalliferous 
veins.— Am. Inst. Min. Eng., Trans., vol. 36, pp. 154-177, 13 tigs., 1906 (Bi-Mo. 
Roll. no. 4, pp. 719-742, 13 figs., 1905).— See Halse. 5, page 151 of Bulletin 
no. 301, IT. S. Geol. Survey. 
1067. The geology of Chiapas and Tabasco, Mexico. — Min. Jour., London, 
vol. 79. pp. 243-244, February 24, 1906. 
Hand, W. F. 
A preliminary report on some of the clays of Mississippi. — See Logan and 
Hand, no. 1609. 
Handlirsch, Anton. 
1068. -A new blattoid from the Cretaceous of North America. — F. S. Nat. 
Mus., Proc, vol. 29, pp. 655-65(5, 1 tig., 1906. 
1069. Revision of American Paleozoic insects. — F. S. Nat. Mus., Proc., vol. 
29, pp. 661-820, 109 figs., 190(5. 
1070. Die fossilen Insekten und die Phylogenie der rezenten Formen. — Leip- 
zig, Wilhelm Englemann, 190(5. Lief. 14. 640 pp.. 36 pis. 
1071. Fossil insects and the development of the class Insecta. -Pop. Sci. 
Monthly, vol. 70, no. 1, pp. 55 62, January, 1007. 
Translated from the German by Lucy Peck Bush. 
Hanks, Henry G. 
1072. Notes on " aragotite," a rare California mineral. Roy. Micro. Soc.. 
Jour., 1905. pt. 6, pp. 673-676, 1905. 
Hansell, N. V. 
Magnetite mines at Lyon Mountain, N. Y. — See Newland and Hansell, no. 
1796. 
