482 Presents. [June 18. 



Hogg (Jabez) The Pathological relations of the Diphtheritic Membrane 

 and the Croupous Cast. 8vo. London 1873. The Author. 



Lartet (E.) and H. Christy. Reliquiae Aquitanicse, edited by T. Rupert 

 Jones, F.R.S. Part 14. 4to. 1873. 



The Executors of the late H. Christy, Esq. 



Lea (Isaac) Notes on Microscopical Crystals included in some Minerals 

 &c. 8vo. Philadelphia 1874. The Author. 



M'Cosh (J.) On a new Floating Breakwater. 8vo. London 1874. 



The Author. 



Menabrea (L. F.) Un' ultima Lettera sulle Peripezie della Serie di La- 

 grange. 4to. Roma 1874. The Author. 



OmaHus d'Halloy (J. J.) Sur le Transformisme. 8vo. Bruxelles 1873. 



The Author. 



Pablos y Sancho )Jose de) Memoria de la Cuadratura del Circulo. 4to. 

 Manilla 1872-73. Memoria del nuevo procedimiento para hallar 

 la Eaiz Cuadrada a toda Cantidad. 4to. Binondo 1873. 



The Author. 



Pittei (C.) Ricordo del Prof. G. B. Donati. 8vo. Firenze 1873. 



The Author. 



Poey (A.) Rapports entre les taches solaires, les tremblements de terre 

 aux Antilles et au Mexique et les eruptions volcaniques sur tout le 

 Globe. 4to. Paris 1874. The Author. 



Rysselberghe (F. van) Notice sur un Systeme Meteorographique Uni- 

 versel. 8vo. Bruxelles 1873. The Author. 



Schiaparelli (G. Y.) Sul Calcolo di Laplace intorno alia probabilita 

 delle Orbite Cometarie Iperboliche. 8vo. Milano 1874. 



The Author. 



Schrauf (A.) und E. Dana. Notiz iiber die thermoelektrischen Eigen- 

 schaften von Mineral varietaten. 8vo. Wien 1874. The Authors. 



Settimanni (C.) Supplement a la Nouvelle Theorie des principaux 

 elements de la Lune et du Soleil. 4fco. Florence 1874. 



The Author. 



Waterhouse (J.), F.R.S. Eight Tears' Meteorology of Halifax, being a 

 Record of Observations taken at Well Head during the years 1866 

 to 1873 inclusive. 4to. Halifax 1874. The Author. 



Photographs of Absorption- spectra of Didymiums and other Solutions. 



W. N. Hartley. 



