I spent long afternoons lying on the cabin-house, watching the frigates, the tropics, gulls, boobys, and other sea-birds that sported through the sky in great numbers.  The frigate-birds were called by the sailors the man-of-war bird, and also the sea-hawk.  They are marvelous flyers, owing to the size of the pectoral muscles, which compared with those of other birds are extraordinarily large.  They cannot rest on the water, but must sustain their flights from land to land, yet here they were in mid-ocean.

[Illustration:  The ironbound coast of the Marquesas]

[Illustration:  A road in Nuka-Hiva]

My eyes would follow one higher and higher till he became a mere dot in the blue, though but a few minutes earlier he had risen from his pursuit of fish in the water.  He spread his wings fully and did not move them as he climbed from air-level to air-level, but his long forked tail expanded and closed continuously.

Sighting a school of flying-fish, which had been driven to frantic leaps from the sea by pursuing bonito, he begins to descend.  First his coming down is like that of an aeroplane, in spirals, but a thousand feet from his prey he volplanes; he falls like a rocket, and seizing a fish in the air, he wings his way again to the clouds.

If he cannot find flying-fish, he stops gannets and terns in mid-air and makes them disgorge their catch, which he seizes as it falls.  Refusal to give up the food is punished by blows on the head, but the gannets and terns so fear the frigate that they seldom have the courage to disobey.  I think a better name for the frigate would be pirate, for he is a veritable pirate of the air.  Yet no law restrains him.

I observed that the male frigate has a red pouch under the throat which he puffs up with air when he flies far.  It must have some other purpose, for the female lacks it, and she needs wind-power more than the male.  It is she who seeks the food when, having laid her one egg on the sand, she goes abroad, leaving her husband to keep the egg warm.

The tropic-bird, often called the boatswain, or phaeton, also climbs to great heights, and is seldom found out of these latitudes.  He is a beautiful bird, white, or rose-colored with long carmine tail-feathers.  In the sun these roseate birds are brilliant objects as they fly jerkily against the bright blue sky, or skim over the sea, rising and falling in their search for fish.  I have seen them many times with the frigates, with whom they are great friends.  It would appear that there is a bond between them; I have never seen the frigate rob his beautiful companion.

In such idle observations and the vague wonders that arose from them, the days passed.  An interminable game of cards progressed in the cabin, in which I occasionally took a hand.  Gedge and Lying Bill exchanged reminiscences.  McHenry drank steadily.  The future governor of the Marquesas added a galon to his sleeves, marking his advance to a first lieutenancy in the French colonial army.  He was a very soft, sleek man, a little worn already, his black hair a trifle thin, but he was plump, his skin white as milk, and his jetty beard and mustache elaborately cared for.  He was much before the mirror, combing and brushing and plucking.  Compared to us unkempt wretches, he was as a dandy to a tramp.