614. 
615. 
616. 
617. 
618. 
6184. 
619. 
620. 
621. 
624. 
625. 
GEN. 315-323 OF KEY. is 
PODILYMBUS PODICEPS (2...) Lawr. 
Pied-billed Dabchick. 
ALCA IMPENNIS L. 
Great Auk. 
[Extinct ?] 
UTAMANTA TORDA (L.) Lracu. 
Razor-billed Auk. 
FRATERCULA CORNICULATA (Navm.) Gray. 
Hormed Pufiim. 
FRATERCULA ARCTICA (2...) SrEpuH. 
Common Pufiim; Sea Parrot. 
FRATERCULA ARCTICA (L.) StTepu., 
var. GLACIALIS (Leach) Coues. 
Large-billed Pufiim. 
FRATERCULA CIRRHATA (PALt.) Srmrn. 
Tufted Pufiin. 
CERATORHINA MONOCERATA (Patt.) Cass. 
Hiorm-billed Awk. 
PHALERIS PSITTACULA (Patt.) Tem. 
Parroquet Awki. 
. SIMORHYNCHUS CRISTATELLUS (Patt.) Merrem. 
Crested Awkh. 
. SIMORHYNCHUS CAMTSCHATICUS (Lerecn.) Scuu. 
Whiskered Auk. 
SIMORHYNCHUS PUSILLGLUS (Patt.) Cours. 
Knob-billed Auk; Least Auk. 
PTYCHORHAMPHUS ALEUTICUS (Patu.) Branprt. 
Aleutian Awk. 
