the Imperial Collection at Vienna. 47 



Our specimen, probably that mentioned by Latham as con- 

 tained in the Mus. Lever., is no longer in our collection. It 

 is also possible that the same bird was the original of the 

 plate in White's Journ. Voy. NewS. Wales, p. 251. 



~^106. Puffinus tenebrosus, Natterer. (254.) 



P. corpore supra nigrescente brunneo, subtus albo : lateribus 



colli pectorisque plumarum limbis albis, tectricibus 



alarum anguste albo marginatis, tectricibus caudse in- 



ferioribus lateralibus nigricantibus albo terminatis, rostro 



obsciu-e corneo, maxillae basi infra nares et mandibular 



parte inferiore flavescentibus, pedibus flavidis, tarsis 



solummodo linea anteriore et posteriore, digitoque ex- 



terno extus obscuris. Longit. 12|", alar 7" 8"', ab apice 



rectricum ad finem secundariarum 2" 6'"; rectricum me- 



diarum longit. 3j", lat. 9'"; rectrices laterales 8'" bre- 



viores; tarsi longit. 1" 5'", lat. 3"'; longit. digiti externi 



16"', unguis 2'", digiti medii 16'", unguis 3'", digiti in- 



terni 12'", unguis 2^"' ; rostri a fronte 11"', a naribus 9'", 



a rictu 17'". 



Dusky Petrel, Lath. Gen. Synops. vi. 416. 23 (only the 



smaller specimen in the Mus. Lever. ; said to have come from 



King George's Sound, on the American coast) ; Arctic Zool. 



Suppl. 73 (?). 



Procellaria obscura, Gmel. Syst. i. 559 (partim) ; Latham, 

 Ind. Orn. ii. 828, n. 24 (partim)'; Vieill. Gal. Ois. t. 301 

 (only the habitat from King George's Sound) . 

 Puffinus tenebrosus, Natterer, Synops. MS. 

 Hub. King George's Sound, on the American coast {Lath.) ; 

 Ins. Galega (Lafr.)? 

 Similis P. obscuro (Gmel.)*, sed minor, rostro tenuiore et 



- * Puffinus obscurus, Gmel. 



Dusky Petrel, Lath. Gen. Synops. vi. 416. 23 (Christmas Island) ; Arctic 

 Zool. Suppl. 73? 



Procellaria obscura, Gmel. Syst. i. 559 ; Lath. Ind. Orn. ii. 828. 24 ; 

 Kuhl, Zool. Beitr. 147, n. 24, fig. 11 (Mus. Paris) ; Temm. Man. d'Orn. 

 2nd edit. ii. 808 (Mediterrania), iv. 510 (Bretagne, Picardie) ; Atlas du 

 Man. tab. ; VieiU. Gal. Ois. ii. 230, t. 301 ; Gould, Birds of Europe, 

 t. 444; Schlegel, Mus. Pays-Bas, Procellaria, 30 (et P. nugax Bailloni, 

 Bonap.) (Atl. Ocean, Bourbon). 



Puffinus obscurus (Gmel.), Cuv. Reg. Anim. 1817, 516; Bonap. Synops. 

 Birds Unit. St. 371 ; Audubon, Orn. Biogr. iii. 620 (southern coast of 



