224 AVES : STEGANOPODES. XXXIV. 



673. P. Strickland! Kidgway. SOOTY SHEARWATER. Bill 

 dusky. L. 16. W. 12. B. If. Atlantic, N. to Grand Banks. 

 (To Hugh Strickland.) 



340. .ffiSTRELATA Bonaparte. (oiorpqXaros, goaded on by a 

 gad-fly.) 



674. JE. haesitata (Kuhl). BLACK-CAPPED PETREL. Upper tail- 

 coverts and lower parts white ; upper parts mostly blackish ; tail 

 graduated. L. 16. W. 11. T. 5. B. 1J. Atlantic, N. to N. Y., 

 scarce. (Eu.} (Lat., hcesitatus, stuck-fast, the describer being in 

 doubt.) 



341. FROCELLARIA Linnaeus. (Lat., stormy.) 



675. P. pelagica L. STORM PETREL. Dusky; upper tail cov- 

 erts white, edged with black. L. 5f . W. 4f . T. 2. N. Atl., 

 rarely S. (Eu.} 



342. OCEANODROMA Reichenbach. ^QKcavos ocean ; fyo'/ios, 

 running.) 



676. O. leucorhoa Vieillot. LEACH'S PETREL. Sooty, upper 

 tail coverts white; feet black. L. 8. W. 6J. T. 4. Northern 

 Seas. (Eu.) (XfvKoy, white ; oppos, rump.) 



343. OCEANITES Keyserling & Blasius. (w/ceawrj;?, a son of 

 the sea.) 



677. O. oceanicus (Kuhl). WILSON'S PETREL. Sooty; wings 

 and tail black ; upper tail coverts white. L. 7. W. 6. T. 3. 

 Tarsus l. Cosmopolitan, common, (Eu.) 



ORDER XXXIV. STEGANOPODES. (THE TOTIPALMATE 



BIRDS.) 



Desmognathous swimmers with all four toes full-webbed; hind 

 toe lengthened, scarcely elevated ; tibia feathered ; bill horny, not 

 lamellate ; nostrils very small or abortive ; no basipterygoids ; a 

 prominent gular pouch ; tarsus reticulate. Altricial. " Notwith- 

 standing the shortness of the legs and the character of the toes, 

 . . . the birds of the present order are unquestionably nearly re- 

 lated to the Herodii" (Stejneger). Of this small order, most of the 

 species are sea-birds, active and voracious, about half of all being 

 cormorants, (orryavos, covered ; TTOVS, foot.) 



Families of Steganopodes. 



a. Upper mandible not hooked at tip. 

 b. Bill very thick through base, the tip slightly curved; tail moderate, 



graduated, the feathers rather pointed SULID^S, 131. 



bb. Bill slender, nearly straight; neck very long and slender; tail long, 

 fan-shaped when spread, the feathers very broad. ANHINGID^E, 132. 

 ao. Upper mandible hooked at tip. 



