PLATE LXVIII, 



Lari s Glaucus: albus dorso et alis canis remlgum extremita- 

 tibus albis. 0. Fahr, Fn. Groenl. 100. 64. 



Larus Albus : Olafscens Isl. Sor'Se. 



Larus Glaucus. Glaucus Gull. Lath. Syn, t, 3. 2. 573. hid. 

 On^. 814. 



Glaucous Gull: Ross' Voyage to the Arctic Regions, Appendix. 

 71. 4. Linn. Trans, vol. 12. 543. 



BuRGERMEiSTER : Martciis Voy. Spitz. A. D. 1671. 



The great public interest excited by our late expeditions towards 

 the arctic regions of the globe have conferred an importance on its 

 results which unquestionably under ordinary circumstances could 

 not have been expected. As a voyage of discovery, its laudable 

 endeavours have been by no means amply rewarded, but at the same 

 time it must be confessed, that it has aroused that spirit of research 

 which on some future occasion of the like nature may be productive 

 of a more successful issue. There is nothing, however trivial, that 

 had occurred in the department of Natural History during those 

 interesting voyages which has not obtained from the British public 

 the most minute attention; and with respect to the science of 

 Ornithology in particular, the more immediate object of our present 

 views, it cannot but afford us a peculiar pleasure to observe the 

 satisfaction with wljich it has been considered, since our own labours 

 Imd so largely anticipated the observations which have subsequently 



