13!|vveeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1894. 83 
405 Schuchert (Charles.) A revised classification of the spire-bear- 
ing brachiopods. 
Am. Geol., vol. xiii, pp. 102-107. 
Describes the family and subfamily characters on which the new 
classification is based. 
495^, Spire-bearing genera of the Paleozoic Brachiopoda, Paleozoic 
of New York, vol. viii, part ii, fas. i. 
Review: Am. Geol., vol. xiii, pp. 128-132. 
Gives an abstract of "An Introduction to the study of the genera of the 
Paleozoic Brachiopoda,'' by James Hall, assisted by John M. Clarke; 
Paleontology of New York, vol. viii, part ii, fas. i. 
495/j Diller (J. S.) and. Discovery of Devonian rocks in Cali- 
fornia. 
Am. Jour. Sci., 3d ser., vol. xlvii, pp. 416-422. 
See Diller (J. S.) and Schuchert (C.), No. 154. 
490 Scott (William B.) Notes on the osteology of Agriochcerus Leidy 
(Artionyx O. and W.). 
Am. Phil. Soc, Proc, vol. xxxiii, pp. 243-251. 
Abstract: Am. Nat., vol. xxviii, pp. 952-953 (§ p.). 
Describes and figures fragmentary skeletons from the White River 
bad lands of South Dakota and discusses the systematic position of 
the genus. 
497 The structure and relationships of Ancodus. 
Phil. Acad. Nat. Sci., Jour., 2d ser., vol. ix, pp. 461-497 and 536, pis. 
xxiii-xxiv. 
Describes the dentition, skull, vertebral column, and limbs of A. 
brachyrhynchus, and discusses the relationships of Ancodus. 
498 The osteology of Hyaenodon. 
Phil. Acad. Nat. Sci., Jour., 2d ser., vol. ix, pp. 499-535. 
Describes a new species and gives a restoration of Ilycenodon and 
discusses its relationships. 
499 Notes on the osteology of Ancodus (Hyopotamus). 
Geol. Mag., dec. iv, vol. i, pp. 492-493. 
Describes the principal characteristics of Ancodus brachyrhynchus 
from material found in the Tertiary beds of South Dakota. 
499« Mammalia of the Deep River beds. 
Abstract : Am. Nat., vol. xxviii, pp. 790-791. 
Noticed in Bibliography and Index for 1892 and 1893. 
500 The later Tertiary lacustrine formations of the West. 
Abstracts: Geol. Soc. Am., Bull., vol. v, pp. 594-595; Am. Jonr. Sci., 
3d ser., vol. xlvii, pp. 139-140 (| p.) ; Am. Geol., vol. xiii, pp. 141-142. 
Describes the distribution and faunal characteristics of the later 
Tertiary beds in western United States. 
501 Scudder (Samuel H.). The effect of glaciation and of the Glacial 
period on the present fauna of North America. 
Am. Jour. Sci., 3d ser., vol. xlviii, pp. 179-187. 
In tabular form gives a list of described American Quaternary 
Coleoptera, showing their locality and the forms to which they are 
allied, their regional distribution in North America, and the species 
common to different regions. 
