240 HIL 



3. Dissertatio inauguralis medica de Pulmonibus. 4. Goett. 1783. 

 Engelm. Bibl. med.-chir. p. 188. 



HlLDEGARDE DE PlNGUIA (S.). 



1. Physica Eleinentorum, Fluminum aliquot Germanise, Metallorum, 

 Leguminum, Fructuum et Herbarum, Arborum et Arbustorum, 

 Piscium, denique, Volatilium et Animantium terree naturas et 

 operationes, libris IV., mirabili experientia posteritati tradens. 

 Argentor. 1533, fol. ; 1536, fol. (Hortus sanitatis, etc.) ; 1544, 

 fol. Eis. Insect, p. 131. Diet. Sc. n. XXII. p. 495. JBohm. 

 Bibl. I. 1, p. 217. 



HILDRETH (S. P.). 



1. Notes on certain parts of the State of Ohio. Sill. Amer. Journ. 

 X.I, p. 1 ; 2, p. 319 ; XL 2, p. 231. Feruss. Bull. 1830, XXI. p. 54-. 



2. Notice of Fossil Trees, near Gallipolis (Ohio). Sill. Am. Journ. 

 XII. 2, p. 205. 



3. Observations on the Climate and Productions of Washington 

 County (Ohio). Sill. Amer. Journ. XII. 2, p. 206. 



4. Miscellaneous Observations on the Coal, Diluvial and other 

 Strata of certain portions of the State of Ohio. Sill. Amer. 

 Journ. XIII. 1, p. 38. Feruss. Bull. 1829, XVII. p. 37. 



5. Observations and Descriptions of the Shells found in the Waters 

 of the Muskingum River, Little Muskingum, and Duck Creek, in 

 the vicinity of Marietta, Ohio. Sill. Amer. Journ. XIV. 2, p. 276. 



6. Miscellaneous Notices of Rocks and Minerals in the State of 

 Ohio. Sill. Amer. Journ. XVI. 1, p. 154. L. \\.Br. N. Jahrb. 

 1833, p. 90. " 



7. Notices and Observations on the American Cicada, or Locust. 

 Sill. Amer. Journ. XVIII. ], p. 47. Isis, 1832, X. p. 1059. 



8. Observations on the Saliferous Rock Formation, in the Valley of 

 the Ohio Sill. Amer. Journ. XXIV. 1, p. 46. 



9. Observations on the Bituminous Coal Deposits of the Valley of 

 the Ohio, and the accompanying Rock Strata ; with Notice of 

 the Fossil Organic Remains, etc. Appendix by S. G. Morton. 

 Sill. Amer. Journ. XXIX. 1, p. 1. 



10. Report on the Geological Survey of Ohio. Columb. 1836. 

 Sill. Amer. Journ. XXXII. 1, p. 190. 



11. On the Habits of Cicada septendecim. Ann. and Mag. N. H. 

 XX. p. 136. 



HILDRETH (S. P.) and CLEMENS ( ). 



1. On the Polyodon Folium. Sill. Amer. Journ. XII. p. 201. 

 Isis, 1832, X. p. 1053. 



HILL (A.). 



1 . A Review of the Works of the Royal Society of London. Lond. 

 1761, 4. Bibl. Ent. I. p. 175. 



HILL (Ira). 

 1. An Abstract of a new Theory of the Formation of the Earth. 



