104 Insecta. 
Xll. Insecta. 
[1912] 
Jena Abt. f. allg. Zool. 32 1912 (231- 
310) 3 Taf. 2305 
Riedel, M. P. (H. Sauter’s Formosa- 
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Suppl. ent. Berlin 1 1912 (26-27). 
[ Diptera .] 2306 
Riehn, H. Kafer als regelmiissige 
Bergwerksbewohner. Ent. Mitt. Berlin 
1 1912 (83-95). [ Coleoptera .] 2307 
Riley, C. F. Curtis. Observations 
on the ecology of dragon-fly nymphs : 
reactions to light and contact. Ann. 
Ent. Soc. Amer. Columbus Ohio 5 
1912 (273-292). [ Odonata .] 2308 
Rimsky-Korsakoff. M. Regenera- 
tionserscheinungen bei Embiiden. 
Verb. 8 Internat. Zool. Kongr. Graz 
1912 (609-620). 2309 
Rimsky-Korsakow, M. Ein Fall von 
Mundteilregeneration bei Haploembia 
solieri Ramb. Zs. wiss. Insektenbiol. 
Berlin 8 1912 (17-19). [ Embioptera .] 
2310 
Ringdalil, Oscar. Bidrag till kan- 
nedomen om vara anthomyider. [To 
the knowledge of the Swedish Antho- 
myidae.) Entomol. Tidskr. Stockholm 
33 1912 (208-214). [Dip ter a.] 2312 
Ris, F. Ueber einige Gomphinen 
von Siidbrasilien und Argentina. 
Bruxelles Mem. Soc. ent. Belgique 
19 1912 (101-119). [Odonata.] 2313 
Ris, F. Libellulinen pt. 6. Coll. 
;Selys Longchamps fasc. 14 Bruxelles 
1912 (701-836) pi. vi-1-1 unnumbered. 
[[Odonata.] 2314 
Ris, F. Ueber Odonaten von Java 
und Krakatau. ’s Gravenhago Tijd- 
schr. Ent. 55 1912 (157-183) 3 Taf. 
2315 
Ris, F. Neue Libel! en von Formosa, 
i Sudchina, Tonkin und den Philippinen. 
rJSuppl. ent. Berlin 1 1912 (44-85) 
3 Taf. [Odonata.] 2316 
Ris, F. Ergebnisse der mit Sub- 
vention aus der Erbschaft Treitl 
nnternommenen zoologischen For- 
:schungsreise Dr. Franz Werner’s nach 
dem agyptischen Sudan und Nord- 
Uganda. xviii. Libellen (Odonata). 
Wien SitzBer. Akad. Wiss. 121 Abt. I 
(149-170). 2317 
Ritsema Czn., C. A new species 
of the rhynchophorid genus Crypto- 
derma. Leiden Notes Mus. Jentink 
34 1912 (95-96). [Coleoptera.] 2318 
Ritsema Czn., C. A new species 
of the callichromid genus Euchitonia. 
Leiden Notes Mus. Jentink 34 1912 
(123-127). [ Coleoptera .] 2319 
Ritsema, C. Description of a new 
Sumatran species of the genus Aulaco- 
chilus. Leiden Notes Mus. Jentink 34 
1912 (175-176). (Coleoptera.) 2320 
Ritsema, C. A cladognathid with 
five pubescent leaflets in the clava of 
antennae. Leiden Notes Mus. Jentink 
34 1912(183-184). [Coleoptera.] 2321 
Ritsema, C. Third supplementary 
list of the described Apogonia species 
with an alteration in nomenclature. 
Leiden Notes Mus. Jentink 34 1912 
(128). [ Coleoptera .] 2322 
Rixford, G. P. Fructification of the 
fig by Blastophaga. J. Econ. Ent. 
Concord N. H. 5 1912 (349-355). 
[Hymenoptera.) 2323 
Rizzi, Marco. Sullo sviluppo del- 
l’uovo di Sericaria mori L. nel primo 
mese dalla deposizione. Redia Firenze 
8 1912 (323-359) 4 tav. [Lepidoplera.] 
2324 
Roberts, E. W. Origin and meaning 
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Soc. Decatur 111. 30 1911 (211-215). 
2325 
Roberts, E. W. On the ontogeny 
of certain interesting insect structures. 
Trans. Amer. Microsc. Soc. Decatur 
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Robertson, Charles. Oligotropic 
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(457-460). [ Hymenoptera .] 2327 
Robinson, S. C. B. and Blackham, 
R. J. Sand-flies and sand-fly fever on 
the north-west frontier of India. 
London J. R. Army med. corps 19 
1912 (447-452). [ Diptera .] 2328 
Rocci, Ubaldo. Contribuzione 
alio studio dei Lepidotteri del Piemonte. 
Genova Atti Soc. ligustica sc. nat. 
geogr. 22 1911 (153- 221). 2329 
Rochaz de Jongh, J. vide Galli- 
Valerio, B. 
Rodhain, J. et Beiuaert, J. Sur 
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(365-383). [ Diptera .] 2330 
