108 Insecta. 
xii. Insecta. 
[1909] 
Rohwer, S. A. Notes on Tenthre - 
dinoidea with descriptions of new 
species, ii. Canad. Entom. London 
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2432 
Rohwer, S. A. Notes on Tenthre- 
dinoidea , with descriptions of new 
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London Can. 41 1909 (88-92). [Hy- 
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Rohwer, S. A. Notes on Tenthre- 
dinoidea, with descriptions of new 
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Tenthredo. Canad. Entom. London 
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Rohwer, S. A. Notes on Tenthre - 
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41 1909 (145-149). [ Hymenoptera.\ 
2435 
Rohwer, S. A. Notes on Tenthre* 
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Canad. Entom. London Can. 41 1909 
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Rohwer, S. A. Notes on Tenthre- 
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41 1909 (397-399). [ Hymenoptera .] 
2437 
Rohwer, S. A. Notes and descrip- 
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[Hymenoptera.] 2438 
Rohwer, S. A. Notes and descrip- 
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Ent. News Philadelphia Pa. 20 1909 
<197-206), [Hymenoptera.] 2439 
Rohwer, S. A. Notes and descrip- 
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2440 
Rohwer, S. A. A genus of eumenid 
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News Philadelphia Pa. 20 1909 (357- 
3 d8). [Hymenoptera.] 2441 
Rohwer, S. A. Some new wasps. 
Ent. News Philadelphia Pa. 20 1909 
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Rohwer, S. A. Notes and descrip- 
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Rohwer, S. A. The sawfly genus 
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New York N.Y. J. Ent. Soc. 17 1909 
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Rohwer, S. A. New Hymenoptera 
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35 1909 (99-136). 2445 
Rohwer, S. A. The fossil Ceropalidce 
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Rohwer, S. A. Some new chrysidid 
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Psyche Boston Mass. 16 1909 (87-92). 
[Hymenoptera.] 2447 
[Rollov, A.] Pojijiob'l, A. IIo B0- 
npoey o dopbdk c r i> itpoBaiioio TJieio. 
[Zur Frage liber die Bekampfung der 
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Tiflis 1909 2 (1-4). [Aphidae.] 2448 
Rondou. Lepidopteres nouveaux 
pour la faune des Pyrenees. Bordeaux 
Actes soc. linn. 72 1909 (cxii-cxiii). 
2449 
Rondou, P. Hepialus pyrenaicus. 
Toulouse Bui. soc. Ramond ser. 3 3 
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Roques, Xavier. Sur la variation 
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Paris C. R. Acad. sci. 148 1909 (418- 
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Roques, Xavier. Sur la variation de 
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Rosa, Albert F. Collecting in Hun- 
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Rosenberg, E. C. Bidrag til Kund- 
skaben om Billernes Udvikling, Levevis 
og S>stematik. 11. Drilus concolor 
Ahr : Hunnens Forvandling i fekallcn 
af Helix hortensis.] [The metamorpho- 
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Helix hortensis.] (Danish.) Koben- 
havn, Ent. Medd. 2den Raekke 3 19( 9 
(227-240) 2 PL, Res. fran?. [Coleo- 
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Rosenberg, W. F. The liability of 
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