LA FLORA LIASICA DE LA MIXTECA ALTA 161 
(8). Tierra de Francisco Jo- 
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1897.—Newton, E. T., and Teall, J. J. H. Notes on a Collection of 
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1899.—Nathorst, A. G. The Norwegian North Polar Expedition, 
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(9). Groenlandia............ 1896.—Harz, N. Planteforsteninger fra Cap Stewart i Ostgrond- 
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(10). Oregón y California.... 1900-05.—Ward, L. F. Status of the Mesozoic Floras of the United 
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(11). Tierras de Luis Felipe.. 1904.—Nathorst, A. G. Sur la flora fossile antaretique, Compte 
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(DN 1880.—Oldham, T., Morris, J. and Feistmantel, O. Fossil Flora 
of the Gondwana System. Paleontologia Indica, Vol. 1 
(Pt. TI. 1863, Oldham and Morris; Pts. IJL-1V. 1877 and 
1879, Feistmantel). z 
1880.—Feistmantel O. Fossil Flora of the Gondwana System, Vol. 
II (Pt. I in 1876, Pt. II in 1879). Mem. Geol. Survey. 
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1913.—Baneroft Nellie, 1. On some Indian Jurassic (ymnosperms 
and 2. Phexoxylon africanum, a new Medullosan Stem. 
Trans. Linn. Soc. of London. Ind. Ser. Bot. Vol. VIII 
Part 2, pp. 69-103, pls. 7-11. 
CNA 1904.—Seward, A. C.—Records Geol. Surv. Victoria, Vol. I. Pt. TIT. 
(14). Sonora y Nuevo México. 1860.—Newberry, John S. Exploring Expedition from Santa Fe to 
Junction of Grand and Green Rivers (The San Juan 
Expedition, 1859). Geological Report printed in 1876. Fos- 
sil Plants, pp. 141-148, pls. 1IV-VIIT 
(15). OEatnosesoccoosoccasa 1909.—Wieland, G. R.—The Williamsonia of the Mixteca Alta. 
Bot. Gaz., Vol. 48. No. 6 (December), pp. 427-441. 
1911.—Wieland, G. R.—On the Williamsonian Tribe. Am. Jour. Sci. 
Vol. XXXII, pp. 433-466, and pp. 473-6. 
1913.—Wieland, G. R.—The Liassic Flora of the Mixteca Alta of 
Mexico. Its Composition, Age, and Source, American Jour- 
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(16) Honduras. de 1888.—Newberry, John S. Rhactic Plants from Honduras, American 
Journal of Science. (3) XXXVI, pp. 342-351, pl. VIIT. 
(NA 1901.—Kurz, Fréderic. TI. Contributions A la Paléophytologie de 
1"Argentine. VII Sur 1”Existence d'une Flore Rajmaha- 
lienne dans le Gouvernement du Neuquen. (Piedra Pin- 
tada, entre Limay et Collon-Curá). Revista del Museo de 
la Plata, Vol. X. (La Plata), pp. 11-18, 1 pl. 
Referencias generales adicionales a las localidades no señaladas en el mapa. 
Ms. EIo aaa 1873 a 1885.—Zingno, A. Flora Fossilis Formationis Oblithicao, 
Vol. II, Padova. 
1912.—Krasser Fridolin. Williamsonia in Sardinien. Sitzumgsber. 
der Kaiserl. Akademie. der Wiss. Wien. Math. Naturw. 
Kl., Bd. CXXI, Abt. I, November 1912, pp. 31 con lá- 
mina 2. 
AM 1867.—Schenk, A.—Die Fossile Flora der Grenzschichten des Keu- 
! pers und  Lias Frankens, (Wiesbaden). 
1909.—Salfeld, Hans. Beitráge zur Kenntniss Jarassischer Pffan- 
Bol. 31. Flora liásica.—21 
