434 PUFPIXID-E. 



made of green grass and other vegetation, and on a second exploration of the tunnels 

 Mr. Anthony found that a further extension of one or two feet had been made 

 by the birds previously disturbed by him, and that the nest had been transferred to 

 the newly excavated burrows. He describes the flight of this Shearwater as much 

 more airy and graceful than that of any other species known to him^. 

 The eggs are white and the shell is smooth ^. 



2. Puffinus auricularis. 



Fvffinus auricularis, Townsend, Pr. U. S. Nat. Mus. xiii. p. 133 ^ Salvin, Cat. Birds Brit. Mus. 

 XXV. p. 380'; Anthony, Auk, xv. pp. 313', 316*, 317'; xvii. p. 249°. 



P. opisihomelani * similis, sed saturatior ; hypochondriis imis nigricantibus ; axillaribus albis, apicem versus 

 nigricautibus ; corpore subtus toto pure albo ; regione suboculari et gufcturis lateribus nigro maculatis. 

 Long, tota circa 13-5, alae 9-2, caudse 3-15, culm. 1-35, tarsi 1-7. (Descr. maris adulfci ex Clarion L 

 ilus. Rothschild.) 



Ilab. LowEE California, Cape San Lucas ^ ; Revill.a.gigedo Is., Clarion l.^^% San 

 Benedicto I. ^ ^ Socorro I. *. 



This species vras discovered on Clarion Island by Mr. C. H. Townsend in March 

 1889 \ He describes it as not unlike P. opisthoiTielas, but with a smaller bill and 

 feet. The colours of the upper parts are darker, nearly black, with the black of the 

 head extending below the eye to the angle of the mouth, and that of the wing well 

 over the edge of the latter to the under surface ; the sides of the neck mottled by the 

 gradual blending of white and black. 



* Puffinus opisthomelas. 



Pfffimig opisthomelas, Coues, Pr. Acad. Philad. 1864, pp. 139 S 14-1^ Salvin, Cat. Birds Brit. Mus. xxv. p. 380 '; 



Anthony, Auk, xvii. p. 247 ^ ; Gates, Cat. Eggs Brit. Mus. i. p. 154 *. 

 Ftiffinug gavia (nee Porster), Eidgway, Pr. IT. S. Nat. Mus. iii. pp. 12 *, 230 " ; Baird, Brewer, & E.idgway, 



Water-Birds X. Amer. ii. p. 389 ' ; A. 0. U. Check-1. N. Amer. Birds, 2nd ed. p. 32 '. 



5 . Supra fuliginoso-niger ; dorso postico et uropygio, supracaudalibns cum alls caudaque panllnlnm nigrican- 

 tioribus ; corpore subtus pure albo ; loris, facie lateral! et regione parotiea fuliginosis, vis albido 

 marmoratis ; genis et colli praepectorisque lateribus cinereo irroratis, plumis singulis cinereo marginatis ; 

 pectoris summi lateribus et hypochondriis imis brunneis ; subcaudalibus fuliginoso-bmnneis, imis ad 

 basin albis ; subalaribus albis, tectricibus primariorum extus brunneis ; axillaribus albis, ad apicem 

 fuliginoso-brunneis, albo terminatim fasciatis; remigibus infra fuliginosis, intus paullo cinerascentibus ; 

 culmine et regione nasali nigris : rostro lateral! flavescente vel rufeseenti-brunneo, ungue cserulescenti- 

 albo ; pedibus et palmis flavicanti-carneis, digito extemo nigro ; tarso extemo partim nigro. Long, tota 

 circa 14-0, alae 8-8, caudae 3-2, culm. 145, tarsi 1'75. (Descr. feminae adultae ex Playa Maria Point. 

 Mus. nostr.) 



^ baud a femina distinguendus, sed major. Long, tota circa 15'5, alae 9-5. (Descr. maris ex Santa Cruz, 

 California. Mus. nostr.) 



II<ih. Coast of Central anb Lower California'^', probably extending north to the Columbia Eiver*, 

 Guadalupe I., San Benito I., and Ifatividad I. (^Anthony *). 



Mr. Anthony, who has given an interesting account of this species in the ' Auk ' for 1900 ■*, found it breeding on 

 Guadalupe, and also on the San Benito Islands. He likewise met with this Shearwater in April, 1897, nesting 



