HAG] 



100 



[HAG 



Ha.gen, Gutttdlf Heinrlch Ludwiij. 32. Ver- 

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33. Ueber die Stellung, welche drehbare 

 Planscheibeii in stromeudeni Wasser annehmen. 

 Berlin, Akad. Abhandl., 1878, (Math., pp. 19 

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34. Ueber Veranderung der Wasserstande 



in den Preussischen Stromen. Berlin, Akad. 

 Abhandl., 1880, (Math.). 



35. Geschwindigkeit des stromenden \Vas- 

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 den von BRUNINGS ausgefiihrten Messungen. 

 Berlin, Akad. Abhandl., 1883, (Math., Abth. 1). 



36. Die wahrscheinlichen Fehler der Con- 



stanten. Berlin, Akad. Sitzber., 1883, pp. 1169 



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 Hagen, Hermann August. 154. On amber in 



North America. Boston Soc. Nat. Hist. Proa, 



16, 1874, pp. 296-301. 

 155. The odonate fauna of Georgia, from 



original drawings now in possession of Dr. J. 



LE CONTE, and in the British Museum. Boston 



Soc. Nat. Hist. Proc., 16, 1874, pp. 349-365. 



156. On Attacus (Saniia) Columbia and 



its parasites. [187-4.] Buffalo, Bulletin, 2, 1875, 

 pp. 201-208. 



157. The probable danger from white 

 ants. American Naturalist, 10, 1876, pp. 401- 

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158. Synopsis of the Odonata of America, 



[1875.] Boston Soc. Nat. Hist. Proc., 18, 1877, 

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159. Symphrasis, eine neue Mantispiden- 

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 160. Beitriige zur Kenntniss von Ptero- 

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 477-489. 



161. Hoehlen-Chelifer in Nord-Anierika. 

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162. Quelques additions aux caloptery- 

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 1880, pp. Ixii-lxv. 



163. Essai d'un synopsis des larves de 

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 Ann., 23, 1880, pp. Ixv-lxvii. 



164. Beitrag zur Keuntnis des Tracheen- 

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165. Kiemeniiberreste bei einer Libelle ; 



glatte Muskelfasern bei Insecten. Carus, Zool. 

 Anzeiger, 3, 1880, pp. 304-305. 



166. Ueber die Bestimmung der von LINNE 

 beschriebenen Gattung Phryganea. Stettin, En- 

 tom. Zeitung, 41, 1880, pp. 97-106. 



167. Ueber die Vernichtung schadlicher 



Insi'Cten durch den Hefenpilz. [tVw/'seis.] Stet- 

 tin, Entom. Zeitung, 41, 1880, pp. 305-357. 

 Hagen, Hermann August. 168. Museum pests 

 observed in the Entomological Collection at ( '.mi 

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169. On larvse of insects discharged through 

 the urethra. [1878.] Boston Soc. Nat. Hist. 

 Proc., 20, 1881, pp. 107-118. 



170. Some remarks upon white ants. 

 [1878.] Boston Soc. Nat. Hist. Proc., 20, 1881, 

 pp. 121-124. 



171. A new species of Simulium [S. pic- 

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 Boston Soc. Nat. Hist. Proc., 20, 1881, pp. 305 

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172. Note on a sarcophagous larva found 

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 Proc., 20, 1881, pp. 409-410. 



173. On the proboscis of Nemognatha. 

 [1880.] Boston Soc. Nat. Hist. Proc., 20, 1881, 

 pp. 429-430. 



174. The devonian insects of New Bruns- 

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175. Einwiirfe gegen Dr. PALMEN'S An- 

 sicht von der Entstehuug des geschlossenen 

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 1881, pp. 404-406. 



176. The oldest fossil insects. Nature, 

 23, 1881, pp. 483-484; 24, 1881, pp. 356- 

 357. 



177. Sympycna paedisca (Eversmann) 

 Brauer. Stettin, Eutom. Zeitung, 42, 1881, pp 

 390-392. 



178. On the color and the pattern of 

 insects. Amer. Acad. Proc., 17, 1882, pp. 234 

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179. Ueber ein eigenthiimliches Organ in 



der Begattungstasche zweier Tineiden uncl dessen 

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 Anzeiger, 5, 1882, pp. 18-21. 



180. Papilio sinon oder podalirius? Stet- 

 tin, Entom. Zeitung, 43, 1882, p. 172. 



181. Beitriige zur Monographic der Pso- 

 ciden. Stettin, Entom. Zeitung, 43, 1882, pp. 

 265-276, 217-237, 276-300, 524-526; 44, 1883, 

 pp. 285-332. 



182. The tarsal and antennal characters 

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 1882-83, pp. 12-13. 



183. Simulium feeding upon chrysalids. 

 [1883.] Entom. Month. Mag., 19, 1882-83, 

 pp. 254-255. 



184. Invertebrate casts. [1882.] Nature, 

 27, 1883, p. 173. 



185. Anax longipes, [with note by Mr. 

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 20, 1883-84, pp 169-171. 



