66 



unit 



499. MORMON ARCTICUS, 111. (Alca 

 Arctica, L.) Gould, pi. 403. 

 Northern Europe. 



500. MORMON GLACIALIS, Leach. 

 Gould, pi. 404. Northern Eu- 

 rope. 



460. MERGULUS ANTIQUUS, Nob. 

 (Alca antiqua, Pall.) Aud. 

 pi. 402. Northern shores. 



Genus 323. CERATORHYNCHA, Nob. 

 (Cerorhynca, Nob.) 



461. CERATORHYNCA OCCIDENTALS, 

 Nob.(PJialeris cerorhynca, Nob.) 

 Aud. pi. 402. Western coast. 



Gen. 324. PHALERIS, Tern. 



462. PHALERIS NODIROSTRA, Nob. 

 (Cerorhynca occidentalis, Vig.) 

 Aud. pi. 402. 



463. PHALERIS SUPERCILIOSA, Nob. 

 (Phaleris cristatella, TemJ 

 Aud. pi. 402. 



464. PHALERIS CRISTATELLA, Nob. 

 nee Tern. (Alca cristatella, 

 Auct. nee Vieill.) Aud. pi. 

 On the western shores. 



465. PHALERIS TETRACULA, Steph. 

 (Alca tetracula, Pall.,) 



466. PHALERIS PSITTACULA, Steph. 

 (Alcapsittacula, Pall.) North 

 western coast. 



Gen. 325. MORMON, 111. 



467. MORMON ARCTICUS, 111. Aud. 

 pi. 213. Northern coast 



468. MORMON GLACIALIS, Leach. 

 Aud. pi. 293. On the coast 

 generally. 



469. MORMON CIRRHATUS, Tern. 

 (Alca cirrhata, Gm.) Aud. pi. 



249. Western coast. 



Gen. 326. UTAMANIA, Leach. 



501. UTAMANIA TORDA, Leach. 

 (Alca Torda, and Pica, L.) 

 Gould, pi. 401. Europe gene- 

 rally. 



Gen. 327. ALCA, Leach. 



502. ALCA IMPENNIS, L. Gould, 

 pi. 400. Northern Europe. 



470. UTAMANIA TORDA, Leach. 

 Aud. pi. 214. America gene- 

 rally. 



471. ALCA IMPENNIS, L. Aud.pl. 

 341. Northern coast. 



