— To- 
se 1888. — Note on a Mass Containing Metallic Iron Found 
on Vesuvius. — Ibid. pp. 2. 
57 1888. — Note on thè Oecurrence of Celestite Containing 
nearly Fourteen per cent of Free Sulphur. — Min. 
Mag. 1888. 
58 1888. — The Ejected Blocks of Monte Somma. Part I. 
Stratified Limestones. — Quart. Joiirn. Geol. Soc., 
Voi. XLIV pp. 94-96. 
50 1888. — Notes on thè Recent Volcanic Eruption in thè 
Island of Vulcano. (With D'' T. Anderson.) — Re- 
po)'ts Brìi. Assoc. Advanc. Se. 1888, p. 3. 
60 1889. — Fourth Report of thè Committee for thè Investi- 
gation of thè Volcanic Phenomena of Vesuvius 
and its Neighbourhood. — Ibid. pp. 7 . 
61 1889. Further Notes on thè Late Eruption of Vulcano 
Island. — « Nature», Voi. XXXIX pp. 109-111. 
62 1889. — The Recent Eruption atVulcano. — Ibid.p. 173. 
63 1889. — The Recent Activity of Vesuvius. — Ibid. 2 ^. 184. 
64 1889. — The State of Vesuvius. — Ibid. yip. 302-303. 
65 1889. — The Present State of Seismology in Italy. — Ibid. 
pp. 329-331. 
65 1889. — Su una roccia contenente leucite trovata sull'- 
Etna. — Boll. d. Soc. d. Microscopisti It. (Aci- 
reale), Voi. I. Fase. 1-2, pp. 26-29, illustré d’urte 
pilo lo gravar e. 
67 1889. ^ On a Remarkable Sodalite Trachyte Lately Dis- 
covered in Naples, Italy. — Geol. Mag., Dee. III., 
Voi. VI, 2,pp. 74-77. 
68 1889. — L’Etat Actuel du Vésuve. — Bull. Soc. Belge de 
Geologie, Palèontol. et Ilydrologie, Voi. Ili, pp. 
1-11, ili. de 3 gravures. 
18S9. — Il Pozzo Artesiano di Ponticelli. — Rend. d. R. 
Accad. d. Se. Fis. e. Mal. d, Napoli , Giugno 1889, 
j)p. 7, 
69 
