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PART 
3. — On Blodgettia confervoides of Harvey, forming a new Genus and Species of Fungus. 
By Edward Perceval "Wright, M.A., M.D., F.L.S., Professor of Botany in 
the University of Dublin. (With Plate II.) 
4. — On new Genus and Species of Unicellular Alga, living on the Filaments of 
Rhizoclonium casparyi. By Edward Perceval "Wright, M.A., M.D., F.L.S., 
&c., Professor of Botany in the University of Dublin. (With Plate II.) 
^ Price Is. 
5. — On the Periods of the First Class of Hyper-Elliptic Integrals. By William R. 
Westropp Roberts, M.A. Price Is. 
6. — New Researches on Sun-heat and Terrestrial Radiation, "and on Geological Climates. 
By Rev. Samuel Haughton, M.D. Dubl. ; D.C.L. Oxon. ; LL.D. Cantab. 
(Part I.) 
New Researches on Sun-heat and Terrestrial Radiation, and on Geological 
Climates. By Rev. Samuel Haughton, M.D. Dubl. ; D.C.L. Oxon. ; 
LL.D. Cantab. (Part II.) Price 2s. 
7. — Extension of the Theory of Screws to the Dynamics of any Material System. By 
Robert S. Ball, LL.D., F.R.S., Astronomer Royal for Ireland. Price Is. 6d. 
8. — On some hitherto undescribed Compounds of Selenium. By Charles A. Cameron, 
M.D., Professor of Chemistry; and Edmund W. Davy, M.D., Professor of 
Forensic Medicine, Royal College of Surgeons, Ireland. Price Is. 
9. — Certain Problems in the Dynamics of a Rigid System Moving in Elliptic Space. By 
Robert S. Ball, LL.D., F.R.S., Andrews Professor of Astronomy in the 
University of Dublin, and Astronomer Royal of Ireland. Price Is. 
10. — On some Deductions from M'CuUagh's Lectures on Rotation. By Francis A. 
Tarleton, LL.D., F.T.C.D. Price Is. 
11. — On Certain Definite Integrals. By John C. Malet, M.A., Professor of Mathematics, 
Queen's College, Cork. Price Is. 
12. — On the Embryology of the Mammalian Muscular System. No. I. — The Short 
Muscles of the Human Hand. By Bertram C. A. Windle, A.B., M.B., B, Ch., 
and Senior Moderator in Natural Science, University of Dublin ; Pathologist to 
the General Hospital, Birmingham. (With Plates III. and IV.) Price Is. 6d. 
13. — Report on the Acanthology of the Desmosticha. (Part II.) By H. W. Mackintosh, 
M.A., M.R.I. A., Professor of Zoology, and Curator of the Museum of Anatomy 
and Zoology in the University of Dublin. (With Plates V. to VIII.) Price Is. 
14. — Report on the Acanthology of the Desmosticba. (Part III.) Further observations 
on the Acanthology of the Diadematidse. By H. W. Mackintosh, M.A., 
M.R.I.A., Professor of Zoology, and Curator of the Museum of Anatomy and 
Zoology in the University of Dublin. (With Plates IX. and X.) Price Is. 
15. — Expansion of Elliptic Functions. By William Nicolls, B.A. Price Is. 
16. — On a Geometrical Transformation of the Fourth Order, in Space of Three Dimen- 
sions, the Inverse Transformation being of the Sixth Order. By L. Cremona, 
LL.D. Edinb., F.R.S., Professor of Higher Mathematics in the University of 
Rome. Price Is: 
