CATALOGUE CF CANADIAN BIRDS. 17 



continuous breeding-ground of these birds for over lOOO miles in 

 length. The' Pribilof islands, St. Matthew and St. Lawrence 

 islands are also great breeding places. (Turner.) Eight speci- 

 mens taken at Cape Lisburne, Alaska. (Mcllhenny.) Common 

 on the Pribilof islands (J. M. Macoun ; Palmer.) 



Breeding Notes. — This mormon comes up from the south 

 about May loth to the Pribilof islands and always in pairs. It 

 makes its nests of dried sea-ferns, grass and moss, slovenly laid 

 together, far back in some deep or rocky crevice, where, when the 

 egg is laid, it is ninety-nine times out of one hundred cases inac- 

 cessible. The nest contains but a single &^g^ large, oblong, oval, 

 and pure white. (Elliott.) 



The nests of this species are placed on the ledges of the highest 

 cliffs of those islands where foxes are found, and on islands where 

 foxes are not found these birds breed generally at the base of the 

 bk the large rocks which haVe become detached and 



faut. >,■ ., ... Their nests are composed of just whatever happens 

 to be there, be it sticks, stones, or earth, A single egg of clear 

 white colour is laid on the bare gravel or earth. The egg is very 

 large for the size of the bird and when cooked is tolerable eating- 

 The bird sits long at a time on the egg and does no leave it until 

 hunger compels her to seek food. (Turner.) 



VII. CERORHINCA Bonaparte. 1828. 



15. Horned-billed Guillemot. Rhinoceros Auklet. 



Cerorhinca monocerata (Pall.) Cass. 1858. 



Coasts and islands of North Pacific, breeding southward along 

 the British Columbian coast. (A. 0. U. List.) Found in the Gulf 

 of Georgia and breeds on the islands around Vancouver island. 

 (Lord.) Coasts of Vancouver islancf. (R. Brown.) Bischoff 

 secured nine specimens of this species at Sitka during the Tele- 

 graph Exploration. (Nelson.) Two pairs of these _auks were 

 taken out i-n the bay at Sitka, Alaska, July 21st, by an Indian and 

 several more were seen. The state of the reproductive organs 

 and the bare area on the breast indicated th'at these birds were 

 incubating, though where I did not ascertain. (Grinnell.) 



