128 PATAGONIAN EXPEDITIONS: ZOOLOGY. 



Family Puffinid/E. 



Salvin, Cat. Bds. Brit. Mus. XXV. p. 368 (1896); Sharpe, Hand-List 

 Eds., I. p. 123 (1899). 



Subfamily PuffintE. 

 Salvin, t. c. p. 368; Sharpe, t. c. p. 123. 



Genus PUFFINUS Brisson. 



Type. 



Pitffiiiiis, Brisson, Orn. VI. p. 131 (1760); Coues, Proc. 

 Acad. Sci. Philad. 1864, p. 127; id. op. cit. 1866, p. 

 192; Ridgw. Man. N. Am. Birds, p. 58 {1887); Sal- 

 vin, Cat. Bds. Brit. Mus. XXV. p. 368 (1896); Sharpe, 

 Hand-List Bds. I. p. 123 (1899) P. pitffimts. 



Nectris, Kuhl, Beitr. p. 144 (1820) ; Coues, Proc. Acad. Sci. Philad. 1864, 

 p. 123. 



Tliyellas, Gloger, in Froriep's Notizen, XVI. p. 279(1827); Salv. Ibis, 

 1888, p. 353- 



Thiellus, Gray, List Gen. Birds, p. 78 (1840); Bp. Consp. 

 Av. ii. p. 200 (1856); Coues, Proc. Acad. Sci. Philad. 

 1864, p. 122 (= TJiyellas) P. gravis. 



Cymotomus, Macgill. Man. Brit. Birds, p. 13 (1842). . . P. anglorinn. 



Ardenna, Reichenb. Natiirl. Syst. Vog. p. IV. (1852). 



Thyellodyo)na, Stejn. Proc. U. S. Nat. Mus. XI. p. 93 (1888), P. spJienityits. 



Zalias, Heine, in Heine & Reichenow, Nomencl. Mus. Hein. p. 362 

 (1890) (= Thiellus). 



Geographical Range. — The Seas of the entire world. 



PuFFiNUS GRAVIS (O'Reilly). 



Procellaria gravis, O'Reilly, Voy. to Greenland, etc., p. 140, pi. xii. fig. 



I (1818). 

 Pjtffiims major, Temm. Man. d'Orn. IV. p. 507 (1840); Gray, List Bds. 



Brit. Mus. Part III. p. 158 (1844); id. Gen. Bds. III. p. 647 (1844); 



