410 NEW YORK STATE MUSEUM 



Iron sinter. Beck. Iron Sinter. Min. N. Y. 1842. p.396-9Y. 



Iron, sulfate of, see Copperas. 



Iroquois, see Indians. 



Iroquois, Lake, see Glacial lalies. 



Ischua sandstone. Horsford. Ischua Sandstones. Geol. rep. 4tli dist. (for 

 1839) 1840. p.466, 469. 



Isopoda, see Crustacea. 



Jthaca ^oup. Clarlie. Stratigrapbic and Faunal Relations of the Oneonta 

 Sandstones and Shales, the Ithaca and the Portage Groups in Central 

 New Yorlj. Geol. rep. 15 (for 1895) 1897. p.11-12, 27-81. pi. (phot.) 

 2 maps, 25x28.5, 26x26.5cm. Same, Mus. rep. 49 (for 1895) 1898. 

 2:11-12, 27-81. pi. (phot.) 2 maps, 25x28.5, 26x26.5em. 



■Clarke. Historical and Actual Significance of the Terms Ithaca Group 



and Ithaca Fauna. Geol. rep. 15 (for 1895) 1897. p.46-52. Same, Mus. 



rep. 49 (for 1895) 1898. 2:46-52. 

 ■Clarke. Ithaca Fauna. Mus. bul. 52. 1902. p.670-71. 

 Clarke & Schuchert. Ithaca Beds. See New York series. 

 Emmons. Ithaca Group. Ag. N. Y. 1846. 1:190-93. 

 Geddes. Ithaca Group of Onondaga County. Ag. Soc. Trans. 19 (for 



1859) 1860. p.254. 

 Hall. Ithaca Group. Geol. N. Y. pt4. 1843. p.250. 

 Hall. Ithaca Group in Chemung County. Geol. rep. 4th dist. (for 1838) 



1839. p.321-22. 

 Hall. Ithaca Group in Steuben County. Geol. rep. 4th dist. (for 1838) 



1839. p.325. 

 •oHall. Ithaca Group in Tompkins County. Geol. rep. 4th dist. (for 1838) 



1839. p.318. 

 Mather. Ithaca and Chemung Group. Geol. N. Y. ptl. 1843. p.317. 

 Trosser. Ithaca Formation. Geol. rep. 15 (for 1895) 1897. p.87-94. Same, 



Mus. rep. 49 (for 1895) 1898. 2:87-94. 

 Tanuxem. Ithaca Group. Geol. rep. 3d dist. (for 1889) 1840'. p.381. 



Geol. N. Y. pt3. 1842. p.170-71, 174-78. 

 Yanuxem. Ithaca Group in Cayuga County. Geol. N. Y. pt3. 1842. p.289. 

 Vanuxem. Ithaca Group in Chenango County. Geol. N. Y. pt3. 1842. 



p,292-93. 

 Tanuxeru. Ithaca Group in Cortland County. Geol. N. Y. pt3. 1842. 



p.290. 

 Vanuxem. Ithaca Group in Madison County. Geol. N. Y. pt3. 1842. p. 277. 

 Yanuxem. Ithaca Group in Onondaga County. Geol. N. Y. pt3. 1842. 



p.285. 

 "Vanuxem. Ithaca Group in Otsego County. Geol. N. Y. pt3. 1842. p.254. 

 Vanuxem. Ithaca Group in Tompkins County. Geol. N. Y. pt3. 1842. 



p.298. 

 Vanuxem. Fossils. Geol. N. Y. pt3. 1842. p.175-77. 



Ivy scale insect. Felt. White Scale Insect of the Ivy. Mus. bul. 46. 1901. 

 p.388-36. Same, Mus. rep. 54 (for 1900) 1902. 4:333-36. 

 Lintner. The "White Scale. Ent. rep. 11 (for 1895) 1896. p.203-4. Same, 

 Mus. rep. 49 (for 1S95) 1897. 1:203-4. 



Mus. bul. 13. 1895. p.271-72. Same, Mus. rep. 48 (for 1894) 



1895. 1:271-72. 

 Jefferson county. Beck. Mineralogy. Min. rep. (for 1839) 1840. p. 70-72. 

 Emmons. JefCerson County. Geol. rep. 2d dist. (for 1839) 1840. p.321-26. 

 Geol. N. Y. pt2. 1842. p.368-414. 



« First use of term. 



