Hymenoptera: 



Bred parasitic, in the national collection, some of- 

 1890. V. 2. p. 848 



1890. V. 3. p. ] 5, 57, 151,460 



1891. V. 4. p. 122 



Parasitic, host relations of (Howard). 1891. p. 277 



See also Nematina; — Typhlocyba. 

 Hyinenopterous parasites: 



Of California red scale ( Howard ) . 1894. p. 227 



Of Coleoptera, observations on some (Chittenden). 1893. p. 247. 



See also Aphelininse. 

 Ilvperaspis signata, beneficial work of (abstract) (Howard). 1900. 



P 17 



Hyphoniycetous fungi. ,See Fungi. 



Hypoderas columbfe, note on (Kellicott). 1892. p. 77 



Hypodernia bovis, larvpe of (Curtice). 1890. p. 207 



Hvpoxvlon, North American species of, synopsis of (Ellis and Ever- 



liart). 1889. p. 19 •/. 



Iberia Parish, La. Soils and production of (Rapley). 1884. p. .34.. 

 Ice: 



Anchor, note on (Abbe.) 1897. p. 212 



Breaking up of, at Pierre, S. Dak., notes on, 1846-89 (Abbe), 

 p. 109 



Crop of, from meteorological point of view (Abbe). 1895. p. 13. 



Drift, and theory of ocean currents ( Daly ) . 1900. p. 433 



Jam in Niagara River, note on ( Abbe) . 1899. p. 61 



Kennebec River, report of (Abbe) . 1897. p. 98 



Lake, sudden disappearance of, note on (Abbe). 1900. p. 114.. 

 same (Ten Broeck). 1900. p. 287 



Measurements of, notes on (Volker). 1899. p. 142 



Vapor pressure for, note on ( Abbe) . 1899. p. 476 



Ice and snow bulletins 



Ice caves: 



As meteorological phenomena (Kimball ). 1901. j). 366 



Flagstaff, Ariz. (Renoe). 1901. p. 54 



Freezing wells and, notes on (Kimball). 1901. p. 509 



Notes on (Abbe). 1901. p. 71 



Ice columns, publications on (Abbe). 1898. p. 217 



Ice storm, note on (Abbe). 1900. p. 154 



Ice trade: 



History of (Wetherell). p. 439 



Weather Bureau and, note on ( Abbe) . 1899. p. 63 „ . 



Iceland, meteorological reports by cable from, notes on (Abbe). 1899. 



p. 103 



Icerya : 



Its probable origin the islands of Bourbon and Mauritius (Rilev). 

 1887. p. 27 '.... 



Noteson. 1891. p. 439 



Parasite, new, report of ( Howard). 1892. p. 378 



Some new, report on. 1 890. p. 92 



Three new parasites of ( Howard ) . 1889. p. 268 



See also S(!ale insects. 

 Icerya purchasi: 



Australian parasite of ( Williston). 1888. p. 21 



Letteron. 1S89. p. 15 



New Zealand ( Wight). 1893. p. 194 



Work against in Portugal, with account of introduction from 



America of Novius cardinalis (Howard). 1898. p. 30 



Idaho: 



Agriculture in ( Whitson ) . 1 869. p. 369 



Canals in, distribution of water from (Ross). 1902. j). 199 



(ylimate of, some features of ( Blandford ). 1901 . ]). 19 



Cricket, western, ami certain lo(;usts in, outl)reaksof (Milliken).. 



Forest condition of Rocky Mountains in ( Ensign), p. 41 



Grasshopjters in, outbreak of (P)rnn('r). 1890. p. 135 



Hog cholera and enzootic cerebro-spinal ni(ningitis among horses 

 in (Williams). 1898. p. 179 



Index 



Classification no. 



A9.7:2 

 A9.7:3 

 A9.7:4 

 A9.7:3 



A9.7:6 

 A9.7:5 



A9.6:26 



A9.7:5 

 A9.7:2 



A28.5:5 

 A1.8:35 



A29.6:25 



A29.6:27 

 A29.6:23 

 A29.6:28 

 A29.6:27 

 A29.6:25 

 A29.6:28 

 A29.6:28 

 A29.:]:24 

 A 29. 6:27 

 A29.16: 



A29.6:29 

 A29.6:29 

 A29.6:29 

 A 29. 6:29 

 A 29. 6:26 

 A29.6:28 



Al. 1:863 

 A29.6:27 



A29.6:27 



A9.3:15 



A9.7:3 



A9.7:4 



A9.7:3 



A9.7:l 



A9.7:l 

 A9.7:2 

 A9.7:6 



A9.6:18 



A27.9:7 

 A10.3:119 

 A 29. 6:29 

 A9.7:6 

 A 13. 3:2 

 A9.7:3 



A4. 1:897 



365 



