P. 275: control his excitment -> control his excitement.
P. 289: Madrir -> Madrid.
P. 291: wireless telgraphy -> wireless telegraphy.
P. 306: reecived those mysterious fragments -> received those mysterious fragments.
P. 310: oceangraphic expeditions -> oceanographic expeditions.
P. 310: supposition supported -> a supposition supported.
P. 310: suceeded in escaping -> succeeded in escaping.
P. 310: his attention was attracked -> his attention was attracted.
P. 311: clevery managed -> cleverly managed.
P. 324: in accordance wth the orders -> in accordance with the orders.