cx] NR OD Cron,

Genus THALASsIDROMA.
A genus in which Vigors and others have placed the smaller members of the Procellaride, the Storm-Petrels.
In the British seas we have two breeding species, and a third looks in upon us now and then when it has
crossed the Atlantic to our side of the globe.
407. Tuavassiproma Leacui . ‘ ; : : . : : : Vol. V. PI Iaxexexwe
ForKkED-TAILED STorM-PETREL.
Breeds in the Outer Hebrides, and frequently found dead on inland properties, apparently from exhaustion,
from the exertion of crossing overland from sea to sea.
408. THA assiIDROMA PELAGICA ; : : : : : i ; Vol. Y. PL XOXO
SrormM-Petre..
This little sprite of the waters is known to breed on many parts of our western coasts from the Scilly Isles
to the Orkneys, and on some of the rocky islets of the west coast of Scotland.
409. Tuarasstproma Butwenrt.
Bulwer’s Petrel.

This bird, which inhabits Madeira, sometimes visits our seas, and by Yarrell and others has been included

in our avifauna,