( 4 ) 



Vol. XXXIII. 



No. 1. The Apterygota of tlie Seyclielles. 



G. H. CAUPicNTiiU. 3s. 6d» 



„ 2. A Synopsis of the False-Scorpions of Britain and Ireland : Supplement, \ 



H.Wai.i.i.s Kkw. I , 



,, 3. Diketones derived from Oiacetoresorcinol-Dinielliyloter. i 



Joseph Ai.gak, m.sc. ' / 



,, 4. On the Tinctorial Constituents of some Lichens ■which are used as 

 Dyes in Ireland. 

 Hugh Ryan, d.sc., and \V. M. O'Riokdan, m.sc. 

 „ 6. On the Condensation of Aldehydes with Ketones. Ill — Benzaldehyde i -•, 

 with Methyl-Isopropyl-Ketone. f °"' 



Hugh Rvan, d.sc, and Phyllis R^ax, n.sc. 

 ,, 6. Unsaturated Ketones derived from Diaceto-Orcinol. 



JOSKPH ALGAK, m.sc. 



Vol. XXX IV. 



No. 1. Report on the Sponges collected off the Coast of Ireland by the Dredging 

 Expeditions of tlie Royal Irish Academy and the Royal Dublin Society. 

 Jank Sip.I'H|-ns, ii.A., n.sc. 6d. 



,, 2. On the Attachment Organs of tlie Common Corticolous Ramalinae. 



Lilian Pokikk. m.sc. 6d. 



,, 3. The Exploration of Castlepook Cave, County Cork. 



R. F. Schakkk, n.sc , ph.d., H. J. Skyxioik, ii.a., use, f.g.s., 



and E. T. Ni'.wroN, r.K.s. is. 6d. 



,, 4. The Presence of Lateral Spiracles in the Larva of Hypoderma. 



George H. Cakpicniek, m.sc, and F. J. S. Pollakij. 6d. 



„ 6. Syntheses of some New Substantive Dyes derived from Benzidine- " 

 Sulphone. 

 Hugh Ryan, d.sc. Joseph Aigak, d.sc, and PhilipO'Connell, m.sc. 6d. 

 ,, 6. On the Nitro Derivatives of Diphcnylamine. 



Hugh Rvan, I)..sc., and Tho.mas Glovek, m.sc 

 ,, 7. On Certain Aciiniaria collected off Ireland by the Irish Fisheries Department, 

 during the years 189Q-191V 



T. A. SlKPHENSON. IS. 6d. 



,, 8. The Nitro Derivatives of Plienyl-2-Naphthylnminc. .^ 



HfGii Ryan, p.sc, and James J. Dkc.m.m, m.sc 

 ,, 9. On 0-, fl", and 7-Trinitrotoluenes. 



Hlgh Ryan. n.sc. and W. M. O'Riordan, m.sc. 

 ., 10. On the Action of Nitric Acid and Nitrous Acid on Diphcnylamine. 



Hi:(;h Ryan, d.sc, and Phyllis Rvan, m.sc 

 ,, 11. On the Attachment Organs of some Common Parmeliae. 



Lilian Pokiek, m.sc 6d. 



,. 12. On the Action of Nitric Acid and Nitrous Acid on Diphcnylamine II. \ 



High Ryan, D.Sc, and Phyllis Ryan, M.Sc | . . 



.. 13. On the Action of Bromine on some Derivatives of Diphenylamine. | 

 Hugh Ryan, D.Sc, and Willia.m O'Riorhan, AI.Sc. / 



Vol. XXXX' (Current Volume). 



No. 1. On Species of Sedum collected in China by L. H. Bailey in 1917. 



R. Lloyd Praeger. 6d. 



,, 2. The Histor)' of the London Plane, Platatius aceri/olia, with Notes on the 

 Genus" Platanus. 

 AtJGusriNE Henry, m.a , f.l.s., and Margaret G. Flood, b.a. is. 

 ,, 3. On the Occurrence of Tropical Drift Seeds on the Irish Atlantic Coasts. 



Nathaniel Colgan. is. 



,, 4. The History of the Dunkeld Hybrid Larch, Larix curolcpis, with Notes or» 

 other Hybrid Conifers. 

 Augustine Henry, m.a., f.l.s., and Margaret G. Flood, b.a. 6d. 



[List of Papers m the other Sections— A. Mathematical, Astronomical, and 

 Physical Science ; and C. Archaeology, Lingui.stic, and Literature ; also of 

 the "Clare Island Survey "—may be obtained on application.] 



Sold by 



Hodges, Figgis, & Co., Ltd., 104, Grafton Street, Dublin; and 

 Williams & Norgate, 14, Henrietta Street, Covent Garden, London, W.C. 



