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Record of Geology of Texas, 1887 -1896. 195 
Marcou, Jules. 
system. Xill. Lower Tertiary system. XIII. Upper Tertiary or Helvetian 
system. XIV. Quaternary and 'Kecent, or Modern Series. Glacial Bpooh, 
Living Glaciers. XY. Explanation of the tabular view of American elass- 
ifioation and nomenclature. Synchronism and Homotaxis. The Geological 
map of Europe. XVI. lOonclusion. Tabular view of American classifica- 
tion and nomenclature. 
This is one of Professor Marcou’s controversial papers. [References to 
Texas geology are as follows: 
The Triassic in Texas, p. 31; Triassic reptiles, p. 33; the Jurassic sys- 
tem of Tucumcari regarded by the brothers iShumard as belonging to the 
Upper Cretaceous system of Texas, pp. 38-39. 
“'Sieldom has such an accumulation of errors, paleontologioal, ,stratigraph- 
ical and lithological been committed in American geology. For the mis- 
takes did not stop there, and Messrs. J. Hall and the brothers Shumard 
[see “A Partial Report on the Geology of Western Tecoas, Austin, 1886], 
followed by Dr. OR,. H. Loughridge and others, classified as Lower Cretaceous 
or Dakota Group of Texas all the Triassic system besides the Jurassic; at 
the same time they contrived to synchronize the Neooomian of .Port Wash- 
ita, the Ealse Washita and Canadian rivers with the Marly Chalk or 
TuronianP P. 39. 
Tile Cretaceous system: Xeocomian in Texas and Indian Territory, p. 
43; reference to the work of Air. Hill, p. 43; reference to a tabular view 
of the Texas iCretaceous “sbowing three great divisions as in Europe 
[1861] {Notes on the Cretaceous and Carboniferous Rocks of Texas, by J. 
Maroou, in Proceed. Boston Soc. Nat. Hist., Vol. VIII, p. 93, Boston).” 
P. 45; references to Dr. C. A. White {Eleventh Ann. Rept. U. Oeol. and 
Geogr. Survey for 1877, p. 264, Washington, 1879), and to Messrs. White 
and Hill {On the Cretaceous Formation of Texas and their relation to 
those of other portions of North America, oy C. A. White, in Proceed. 
Acad. Nut. Sci., Philadelphia, February, 1887). Further reference to the 
papers and wotk of Mr. R. T. Hill {The Topography and Geology of the 
Gross Timbers and surrounding region in Northern Texas, in Amer. Jour. 
Sci., Vol. XXXIII, p. 299, 1887 ; The Texas Section of the American Cre- 
taceous, Amer. Jour. Sci., Vol. XXXIV, lOct., 1887, p. 287). Pp. 46-47, 
Groups or Sub-iStages of Cretaceous (Texas, Hill, 1887), Tabular view, p. 
73. 
Professor Maroou claims priority in the recognition of the Neocomian in 
Texas, giving the date as 1853, p. 45.. In writing of the Cretaceous, as 
elsewhere in this publication, he criticises with extraordinary severity 
those whose views differ from his own. 
296. 
'The OTiginal Locality of Gryphsea Pitcheri, Morton. 
Amer. Geologist, Vol. Ill, pp. 188-193. Minneapolis, March, 
1889. 
Synopisis: Extract from Bulletin 45 of the U. S. Geol. iSurvey, by 
‘Robert T. Hill,^in which Dr, iSamuel George Morton is credited with being 
“the first to make allusion to the Cretaceous strata of Texas.” “He 
describes,” oontinues Professor Hill, “from ‘the Calcareous platform of 
