68 BIBLIOGRAPHY AND INDEX OF N. A. GEOLOGY, [bull. 146. 
41G Schmitz (E. J.). The structure of the Eichmoud coal basiu [Vir- 
ginia j. 
Am. Inst. Mg. Engrs., Trans., vol. xxiv, pp. 397-408, figs. 1-13. 
Describes the geologic structure of the region, illustrated by cross 
sections. 
417 Schuchert (Charles). Dry dredging in the Mississippian Sea. 
Science, new ser., vol. ii, pp. 679-681. 
Gives an account of collecting fossils from the Devonian rocks of 
Ontario and Michigan. 
418 American fossil Brachiopoda. 
Science, new ser., vol. ii, pp. 722-724. 
Describes a work in preparation by the author entitled "A synopsis of 
American fossil Brachiopoda, including bibliography and synonymy/' 
and gives a summary of the important results. 
419 Winchell (N. H.) and. Sponges, graptolites, and corals from 
the Lower Silurian of Minnesota. 
Minn. Geol. and Nat. Hist. Surv., Final Rept., vol. iii, part i, pp. 55-95, 
pis. F and G. 
See Winchell (N. H.) and Schuchert (Charles), No. 561. 
420 The Lower Silurian Brachiopoda of Minnesota. 
Minn. Geol. and Nat. Hist. Surv., Final Kept., vol. iii. part i. pp. 333-474, 
pis. xxix-xxxiv. 
See Winchell (N. H.) and Schuchert (Charles), No. 562. 
421 Scott (W. B.). The osteology and relations of Protoceras. 
Jour, of Morph., vol. xi, pp. 303-374, pis. xx-xxii. 
Describes the dentition, brain, vertebral column, and»limbs of Proto- 
ceras, discusses its systematic position, and describes and figures a resto- 
ration of Protoceras celer. 
422 A restoration of Hyamodon. 
Geol. Mag., dec. iv, vol. ii, pp. 441-443, pi. xiia. 
Describes briefly the characters of Hysenodon cruentus Leidy from the 
White River beds of South Dakota. 
423 On the Tertiary lacustrine formations of North America. 
Brit. Assoc. Adv. Sci., Kept. 1895, pp. 681-682. 
Gives a brief description of the Tertiary lacustrine beds occurring in 
the Great Plains and Rocky Mountain region. 
424 Scudder (Samuel H.). The Tertiary Hemiptera of British Co- 
lumbia. 
Canada Geol. Surv., Cont. to Canadian Paheontology, vol. ii, part i, pp. 
5-26, pi. i. 
Describes fossil insects from the Tertiary strata of British Columbia, 
including several new genera and species. 
425 The Ooleoptera hitherto found fossil in Canada. 
Canada Geol. Surv., Cont. to Canadian Palaeontology, vol. ii, part i, pp. 
27-56, pis. 2-3. 
Describes the characters of Coleoptera found in Pleistocene, Tertiary 
and Cretaceous strata of various parts of Canada. 
