224 AVES: STEGANOPODES. — XXXIV. 



673. P. fuliginosus Strickland. Sooty Shearwatee. Bill 

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

 (Lat., sooty.) 



340. .SiSTRELATA Bonaparte. (oioT-p^Xarot, goaded on by a 

 gad-fly.) 



674. .S].hasitata(Kuhl). Black-capped Petrel. Upper tall- 

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

 graduated. L. 16. W. 11. T. 5. B. If Atlantic, N. to JST. Y., 

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

 doubt.) 



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



675. P. pelagica L. Storm Petrel. Dusky; upper tail cov- 

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

 rarely S. (Eu.) 



342. OCEANODROMA Reichenbach. QQKtavos ocean ; Spofios, 

 running.) 



676. O. leucorhoa Vieillot. Leach's Petrel. Sooty, upper 

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

 Seas. (_Eu.) (XevKos, white ; Sppos, rump.) 



343. OCEANITES Keyserling & Blasius. (dKeawTijr, a son of 

 the sea.) 



677. O. oceaniouB (Kuhl). Wilson's Petrel. Sooty; wings 

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

 Tarsus 1^. 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 " (Slejneger), Of this small order, most of the 

 species are searbirds, active and voracious, about half of all being 

 cormorants, {areyavos, covered ; irovs, foot.) 



Families of Steganopodes. 



a. Upper mandible not hooked at tip. 

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



graduated, the feathers rather pointed Sulid^, 131. 



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

 fan-shaped when spread, the feathers very broad. ABHiMGiDiB, 132. 

 aa. Upper mandible hooked at tip. 



