Hagenl 



569 



[Hagen 



On tbe Hessian fly in Italy. Canad. Ent., 17, 1885, 



129-131. 

 White ants destroying living trees and changing the 



foliage, in Cambridge, Mass. Canad. Ent., 17, 1885, 134- 



136. 

 Monograph of the Emliidina. Canad. Ent., 17, 1885, 



141-155, 171-178, 11)0-199, 206-229. 



Fossil insects. Nature, 32, 1885, 53-51. 



Die Devonischen Insecten. Zool. Anz., 8, 1885, 296- 



801. 

 On the probable food of the larva of Scenopinus. 



Canad. Ent., 18, 1886, 73-74. 

 On the previous .stases of PtinidiB and allied groups. 



Canad. Ent., 18, 1886, 153-157. 

 On Cecidomyia Liriodeudri. Canad. Ent., 18, 1886, 



159-160. 

 A new Phytoptoceoidinm from North America, on 



Achillea. Canad. Ent., 18, 1886, 174-17."). 

 The highest elevation for Neuroptera in the United 



States. Canad. Ent., 18, 1886, 178-179. 

 On a new Ubrary pest. Canad. Ent., 18, 1886, 221- 



230. 

 The breastbone of the lar%'a of Cecidomyia homologous 



to the labium. [1886.] Entomologica Amer., 1, 1885- 



86, 229. 

 On Hemerobius (Psectra) dipterus, Bitriii., and H. 



delicatulu.'f. Fitch. [1886.] Entomologica Amer., 2, 



1886-87, 21-24. 

 Kurze Bemerkungen iiber das Fliigelgeiider der In- 

 secten. Wien. Ent. Ztg., 5, 1886, 311-312. 

 . Stray notes on Myrmeleonidse. Canad. Ent., 19, 



1887, 89-93, 110-112, 133-136, 147-156, 209-217; 20, 



1888, 34-38, 57-60, 72-74, 93-97, 185-191, 204-211. 

 The larva of Ptinus latro. Fab. [1887.] Entomo- 

 logica Amer., 2, 1886-87, 232. 



A living Ixodes said to have been four mouths in the 



ear of a man. [1887.] Entomologica Amer., 3, 1887-88, 



124-125. 

 An unknown or forgotten illustration of North 



American Sphingida;. [1887.] Entomologica Amer., 



3, 1887-88, 173-175. 

 Ueber Pletlms cursitans. Wien Zool. Bot. Verb., 37, 



1887 {.ihh.), 643-646. 

 Ueber Neurobasis und Vestalis. Wien Zool. Bot. 



Verh., 37, 1887 {Abh.), 647-648. 

 Monograph of the Hemerobidfe. [1886.] Boston 



Soc. Nat. Hist. Proc, 23, 1888, 2.50-269, 276-292. 

 Three species of Hemeroliius from Chili. Boston 



Soc. Nat. Hist. Proc, 23, 1888, 565-566. 

 On the genus Sympetrum, Neioman. Entomologica 



Amer., 4, 1888, 31-34. 



Unsere gegenwartige Kenntniss der Ephemeren. 



Stettin, Ent. Ztg., 49, 1888, 221-232. 



Ueber die friiheren Zustiiude der Libellen, nebst 



Andeutung iiber Bililuug des Thorax. Stettin, Ent. 

 Ztg., 50, 1889, 162-167. 



Spaltuug eines Fliigels um das doppelte Adernetz zu 



zeigen. Zool. Anz., 12, 1889, 377-378. 



A synopsis of the odonat genus Leucorhinia, Britt. 



[With notes by Philip P. C.u,vebt.] Amer. Ent. Soc. 



Trans., 17, 1890, 229-236. 

 Unsere gegenwiirtige Kenntniss der Ephemerinen. 



Stettin, Ent. Ztg., 51, 1890, 11-13. 

 The female of Eutermes Kippertii. [1889.] Psyche, 



5, 1891, 203-208. 

 Synopsis of the Odonata of N. America. [1889-90.] 



Psyche, 5, 1891, 241-250. 303-307. 

 Two species of .Hschna. [1890.] Psyche, 5, 1891, 



353-355. 

 Descriptions of some North American Cordulina. 



[1890.] Psyche, 5, 1891, 367-373. 

 Notes and descriptions of some North American 



LibelluUna. [1890.] Psyche, 5, 1891, 383-387. 



E. S. SV. 



Hagen, Hermiiiiii AutjiLfl (et alii). Note on the habitat of 

 X^lorvctes satyrus. [C'urre!fpuiidence.] Canad. Ent., 16, 



1884, 239-240; 17, 1885, 39, 40, 58-60. 



Hagen, I[iiijcbri!it]. To for Skandinavien nje moser. 

 But. Notiser, 1889, 15.5-156. 



Index Musoorum frondosorum in alpibus Norvegise 



meridioualis Lomsfjeldene et Jotunfjeldent- hucusque 

 cognitorum. [1892.] Throndhjem, Skr., 1888-90, 1-16. 



Ad bryologiam Norvegia; contributiones sparsse. [1892.] 



Throudhjem, Skr., 1888-90, 32-40. 

 Surquelques mousses norvegiennes. Bev. Bryol., 18, 



1891, 1-8. 



Un oas teratologique. Rev. Bryol., 18, 1891, 8-9. 



Tetraplodon pallidus, n. up. [1894.] Throndhjem, 



Skr., 1893, 75-76. 

 Om et tvivlsomt voksested for Pleurozia purpurea 



{Lijihtf.). [1894.] Throndhjem, Skr., 1893, 152-154. 



Webera lutescens, Liiiipr., i Sverige ? Bot. Notiser, 



1897, 171-172. 



ScheduliB bryologicaj. Throndhjem, Skr., 1897, No. 2, 



30 pp.; Hedwigia, 37, 1898, (73). 



Norges bryologi i det 18de arhundrede. Throndhjem, 



Skr., 1897, No. 3, 195 pp. ; Bot. Centrbl., 73, 1898, 11-13. 



De nova specie Polytriclii, Muscorum generis. Medd. 



Gronland, 15, 1898, 444-44.5. 

 Notes bryologiques 1-20. Nyt Mag. Naturvid., 38, 



1900, 321-341. 

 Hagen, I[iiriebri(jt], & Conradi, F. E. See Conradi & 



Hagen. 

 Hagen, Ilnr/ebrigfi. & Kaurin, Clir[i.'<lian]. See Kaurin 



& Hagen. 

 Hagen, l[ngebrigt], & Ryan, E. See Ryan & Hagen. 

 Hagen, {Rev.) Jolui George. *0n the reversiuu of series 



and Its application to the solution of numerical equations. 



[1883.] Amer. Phil. Soc. Proc, 21, 1884, 93-101. 

 Auroras and synchronous magnetic disturbances in 



1883. [1884.] Amer. Meteorol. Jl., 1 (1884-85), 203- 



208. 

 On the deflection of the level due to solar and lunar 



attraction. Astr. Nachr., 107, 1884, 373-380. 

 The laws of falling bodies. Sidereal Messenger, 4, 



1885. 1.5-16. 



On the brightness of the new variable star in Andro- 

 meda. Sidereal Messenger. 4, 1885, 285-286. 



The variable star ii Cephei. [1-89.] Astr. Jl., 9, 



1890, 15-16. 

 Observations of some suspected variables. [1889.] 



Astr. Jl., 9, 1890, 118. 

 Observations of variable stars, made at Georgetown 



College Observatory. Astr. Jl., 9, 1890, 157-158. 

 Light-variations of S Persei and T Arietis, between 



tbe years 1883 and 1888. [1890.] Astr. Jl., 10, 1891, 



115-118, 152. 

 Southern variable stars observed in 1889 and 1890. 



Astr. Jl., 10, 1891, 177-181. 

 Der Photochronograph angewandt auf Doppelstern- 



messuugen. Astr. Nachr., 128, 1891, 177-186. 



Observations of the new star in Auriga. Astr. Jl., 11, 



1892, 172-173. 



Light-variations of S Persei and T Arietis. [1892.] 



Astr. Jl., 12, 1893, 47-48. 

 [Observations of the solar eclipse of 1892 October 20.] 



At the Georgetown College Observatory. [1892.] Astr. 



Jl., 12, 1893, 117. 

 Meteor-sliower of 1892 November 23. 1 1892.] Astr. 



Jl., 12, 1893, 145. 



Photographische Eectascensionsbestimmungeu des 



Sirius. Astr. Nachr., 132, 1893, 23-26. 



Bessel's " Verdacht gegen die UiiviriinderUchkeit der 



Polhiihe." Astr. Nachr., 136, 1894, 207-208. 



Messungen von Doppelsternen mittelst Pliotographie. 



Astr. Nachr., 136, 1894, 303-304. 

 Das 12-zollige Acquatoreal der Steruwarte ira George- 



72 



