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On Blodgettia confervo'ides 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.) 
On new Genus and Species of Unicellular Alga, living on the Filaments of 
Bhizoclonium 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. 
On the Periods of the First Class of Hyper-Elliptic Integrals. By William E. 
Westropp Egberts, M.A. Price I*. 
New Eesearches on Sun-heat and Terrestrial Eadiation, and on Geological Climates. 
By Eev. Samuel Haughton, M.D. Dubl. ; D.C.L. Oxon. ; LL.D. Cantab. 
(Part I.) 
New Eesearches on Sun-heat and Terrestrial Eadiation, and on Geological 
Climates. By Eev. Samuel Haughton, M.D. Dubl. ; D.C.L. Oxon. ; 
LL.D. Cantab. (Part II.) Price 2*. 
Extension of the Theory of Screws to the Dynamics of anj' Material System. By 
Egbert S. Ball, LL.D., F.E.S., Astronomer Eoyal for Ireland. Price I*. 6d. 
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, Eoyal College of Surgeons, Ireland. Price Is. 
Certain Problems in the Dynamics of a Eigid System Moving in Elliptic Space. By 
Egbert S. Ball, LL.D., F.E.S,, Andrews Professor of Astronomy in the 
University of Dublin, and. Astronomer Eoyal of Ireland. Price Is. 
On some Deductions from M'Cullagh's Lectures on Eotation. By Francis A. 
Tarleton, LL.D., F.T.C.D. Price Is. 
On Certain Definite Integrals. By John C. Malet, M.A., Professor of Mathematics, 
Queen's College, Cork. Price Is. 
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. 
Eeport on the Acanthology of the Desmosticha. (Part II.) By H. W. Mackintosh, 
M.A., M.E.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. 
Eeport on the Acanthology of the Desmosticha. (Part III.) Further observations 
on the Acanthology of the Diadematidae. By H. W. Mackintosh, M.A., 
M.E.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. 
Expansion of Elliptic Functions. By William Nicolls, B.A. Price Is. 
— 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.E.S,, Professor of Higher Mathematics in the University of 
Eome. Price Is. 
