132 THE UNITED STATES GEOLOGICAL SUKVEY. [bull.227. 
XL. Adephagous and clavicorn Coleoptera from the Tertiary deposits at 
Florissant, Colo. , with descriptions of a few other forms and a sys- 
tematic list of the nonrhynchophorous Tertiary Coleoptera of North 
America, by S. H. Scudder. 1900. 4°. 148 pp., 11 pis. Price, 80 
cents. 
XLI. Glacial formations and drainage features of the Erie and Ohio basins, by 
Frank Leverett. 1902. 4°. 802 pp., 26 pis. Price, $1.75. 
XLII. Carboniferous ammonoids of America, by J. P. Smith. 1903. 4°. 211 
pp., 29 pis. Price, 85 cents. 
XLIII. The Mesabi iron-bearing district of Minnesota, by C. K. Leith. 1903. 
4°. 316 pp., 33 pis. Price, $1.50. 
XLIV. Pseudoceratites of the Cretaceous, by Alpheus Hyatt, edited by T. W. 
Stanton. 1903. 4°. 351 pp., 47 pis. Price, $1. 
XLV. The Vermilion iron-bearing district of Minnesota, with atlas, by J. M. 
Clements. 1903. 4°. 463 pp., 13 pis. and atlas of 26 sheets folio. 
Price, $3.50. 
XLVI. The Menominee iron-bearing district of Michigan, by W. S. Bayley. 1 
1904. 4°. 513 pp., 43 pis. Price, $1:75. 
In preparation: 
XLVII. A treatise on metamorphism, by C. R. Van Hise. 
