a4. 
pp. Price 
WISLIZENUS, A., Atmospheric Electricity. 
ENGELMANN, G., Motoorolorical Tablo for 18635, 1864, 
St. Louls, Mo. 
WISLIZENUS, A., Thourhts on Mattor and Force. 
BROADHWAD, GeC., Coal Measures in Missouri. 
SHUMARD, B.F., A Catalogue of the Palacozoic Fossils 
of North America. 
SWALLOW, G.C., Some New Varictios of Spirifer. 
PROUT, HIRAM A., Descriptions of New Spocics of Bryozoa. 
WISLIZENUS, A., Atmospheric Electricity. 
BANDELIER, Ad., Fe, Obsorvations of Ozono, Mado in High- 
land, Madison County, Ill. 
SWALLOW, G.C., Notico of Remains of the Horso in tho 
Altcr..d Drift of Kansas. 
ENGELMANN, GEORGE, The Variations in the Stago of the 
Mississippi River at St. Lovis. 
ENGELMANN, GEORGE, A Rovision of the North American 
Species of the Genus Juncus, with a Description of Now 
or Imperfectly Known Spccics, 
PARRY, C.C., Account of the Passage Throurh the Great 
Canyon of the Colorado of tho West, etc., 1867. 
HARRISON, EDJIN, Ago of tho Porphyry Hills of South- 
east Missouri. 
SWALLOW, G.C., Mr. Meok's Notes on My Preliminary Re- 
port of the Geology of Kansas, as Edited By Dr. Haydon. 
WISLIZENUS, A., Yoarly Report of Atmospheric Electricity, 
Temperature, and Humidity, from Observations Made at 
St. Louis, Mo. 
PARRY, CeCe, On tho Character of the Persistent Snow- 
Accumulations in the Rocky Mountains, Lat. 409-419 north 
and Cortain Features Pertaining to the Alpino Flora.......dd51 i000 
VOLUME IIT 602 8,00 
Eo ee 
ENGEL“ANN, GHEORGHE, Notes on the Genus Yucca. 
RILEY, CHARLES V., On a New Genus in the Lepidoptersous 
Family Tincidac, with Remarks on the Fertilization of Yucca. 
WALSH, BENJ. D., Descriptions of North American Hymen- 
optera, 
WISLIZENUS, A., Atmospheric Electricity. 
HAYES, RICHARD, Catalorue of Barthquakes for 1871. 
RILSY, CHAS. V., Supplementary Notes on Pronuba Yuccasella. 
GAGE, JAS. R., On the Occurrenco of Iron Ores in Missouri 192 2.00 
Noe it 
RILEY, CHAS. V., Hackberry Butterflics; Description of the 
Barly Starces of Apatura Lycaon, Fabr., and Apatura Herse, 
Fabr.; with Remarks on their Synonymy. 
RILEY, CHAS. V., On the Oviposition of the Yucca Moth. 
ENGEL“ANN, GEORGE, Notes on the Gonus Yucca. 
RILEY, CHAS. V., Description of Two New Subterranean Mites. 
BROADHEAD, G.C., On the Woll nt the Insane Asylum, St. 
Louis County. 
BROADHEAD, G.C., Occurrence of Bitumen in Missourt,. 
