Pseudoneuroptera. 414 



31772 Uffeln. 57.33 Aeschna : 15.6 



1909. Zur Eiablage der Libellen. Zeitschr. wiss. Insektenbiol. Bd, 5 p. 

 6S-69. 



73 Balfour-Browne, Frank. 57.33 Agrion : 15 



190;>. The Life-History of the Agrionid Dragonfly. Proc. zool. Soc. 

 London 1909 p. 253-285, 2 pis. 



74 Petersen, Esben. 57.33 Agrion : 15 



1909. Description of the Nymph of Agrion armatum Charp. Deutsch. 

 ontoni. Zeitschr. 1909 p. 654, 2 figg. 



75 Tilljard, R. J. 57.33 Austrogomphus (94) 



1909. On Some Rare Australian Gomphinae, with Descriptions of New- 

 Species. Proc. Linn. Soc. N. S. Wales Yol. 34 p. 238—255, 2 pis. [5 nn. 

 spp. in Austrogomphus.'] (94.3, .4) 



76 Torka, V. 57.33 Cordulia : 15.6 



1909. Eierablage des Weibchens von von Cordulia metallica Linden. Zeit- 

 schr. wiss. Insektenbiol. Bd. 5 p. 405. 



77 Tillyard, R. J. 67.33 Libellulidae (94.3) 



1909. On some Remarkable Australian Corduliinae, with Descriptions 

 of New Species. Proc. Linn. Soc. N. S. Wales Vol. 33 p. 737—751, 2 

 pis. {5 nn. spp. in: Austropht/a n. g., Pseudocordulia n. g., Austrocordulia 

 n. g, Synthemis 2.] 



78 Williamson, Edward Bruce. 67.33 Macromla (7) 



1909, The North American Dragonflies of the Genus Macromia. Proc. 

 U. S. nation. >8us. Vol. 37 p. 3(59-398, 2 pis., 7 figg. [3 nn. spp.] 

 (71.1,.3, 74.1,.2,.4,.7,.8, 75.2,.5,.6, 76.6,.-8, 77.5,.7, 79.1,.4) 

 31779 Calvert, Philip P. 57.33 Neocordulia (728) 



1909. The First Central American Corduline, Entoin. News Vol. 20 p. 

 409-412, 5 fige. [Neocordulia longipollex n. sp.] 



80 Meunier, Fernand. 57.33 Piroutetia (1162) 



1908. Sur un Odonatoptere du rhetien de Fort Mouchard (France.) Ann. 

 Soc. scient. Bruxelles Ann. 32 Bull. p. 91—92, 1 pi. [Piroutetia liasica 

 n. g., n. sp.] 



81 Campion, F. W., and H. Campion. 57.33 Pyrrhosoma : 11.51 



1909. On the Trimorphism of Pyrrhosoma nymphula (Female). Entomolo- 

 gist Vol. 42 p. 178-180. 



82 Speyer, E. R. 67.33 Somatochlora (42.25) 



1909. On the Occurrence of Somatochlora metallica, Van der Lind., in 

 Sussex. EnlOm. monthly Mag. (2) Vol. 20 p. 227—233, 1 fig. 



83 Williamson, E. B. 57.33 Somatochlora (77.6) 



1909. Some Corrections in Somatochlora. Entom. News Vol. 20 p. 77 — 

 79. [5. macrotona n. sp.] 



84 Lucas, W. J. 57.33 Sympetrnm (42.21) 



1909. Rare British Dragonfly. Trans, entom. Soc. London 1909 p. LXY 

 -LXVl. 



85 Daljriiesh, Gordon. 57.34 



1908. Notes on the Ephemeridae. Zoologist (4) Vol. 12 p. 456-460, 

 4 figg. 



86 Borner, Carl. 57.34 : 14.28 



1909. Die Tracheenkiemen der Ephemeriden. Zool. Anz. Bd. 33 p. 806 

 — 823, 4 figg. [Aufzufassen als echte — in ursprungljchen Fallen sogar 

 noch zweiastige — abgeflachte Hiiften (Coxen). Skeletbildung, Muskula- 

 tur und Tracheenversorgung beweisen Extremitatennatur der Kiemen.] 



87 Diirken, Bernhard. 57.34 : 14.28 



1909. Zur Frage nach der Morphologic der Kiemen der Ephemeriden- 

 Larven. Zool. Anz. Bd. 34 p. 449-464, 3 figg. 

 31788 Bengtsson, Simon. 57.34 (4) 



1909. Beitrage zur Kenntnis der palaarktischen Ephemeriden. Acta 

 UniT. Lund N. P. Afd. 2 Bd. 5 No. 4 (K. fysiogr. Siillsk. N. F. Bd. 20 

 No. 4) 19 pp. [11 nn. spp. in: Euphyurus n. g., Ephemerella, Chitonophora 

 n. g. 2, Siphlurus 2, Siphlurella n. g. 2, Potameis n. g., Arthroplea n. g., 

 Ecdyurus.] (47.1, 48.6— .8) 



15. L 1910. 



