27 

 HYDROCHELIDON LAEIFORMIS, {Unn.) Coues [Nos. 70661, 70662]. 



Ballua lainformis, Linn., Syst. Nat., i, ed. 10, 1758, 153. 



Sterna fisaipes, Linn., Syst. Nat., i, 1766, 228. 



Hydrochelidon fisaipes, Gray, Geu. of Birds, iii, 1849, 660. — Coues, Key, 1872, 323. 



Sterna nigra, Briss., Av., vi, 1760, 211, pi. 20. f. 1. 



Hydrochelidon nigra, BoiE, Isis, 1822, 563. 



Hydrochelidon nigrum, Bp., List, 1838, 61. 



Viralva nigra. Leach, Gen. Zool., xiii, 1826, 167. 



Sterna ncevia, Linn., Syst. Nat., i, 1766, 228. 



Sterna surinamenais, Gm., Syst. Nat., i, 1788, 604. 



Hydrochelidon aurinamenaia, Bp., Comptes Eendus, 1856, 772. 



Hydrochelidon (Pelodes) aurinamensia, Gray, Hand-List, iii, 1871, 122, No. 11074. 



Hydrochelidon nigricana et oiacura, Brehm, V. D., 1831, 794, 795. 



Sterna phimiea, Wils., Am. Orn., vii, 1813, 83, pi. 60. 



Hydrochelidon plumiea, Lawr., B. N. A., 1858, 864. 



Hydrochelidon lariformia, Coues, Birds Northwest, 1874, 704. 



Locality: Mita Point, Sinaloa, Mexico. Takea ia May, at which 

 period one had completed its breeding-dress, while the other had 

 only begun to change its winter plumage. 



STERNA (HALIPLANA) FULIGINOSA, Gm. [Nos. 67322, 67328, 



67334]. 



Sterna fuliginosa, Gm., Syst. Nat., i, 1788, 605. 



Sterna ( Onychoprion) fuUginoaa, Gray, List Br. B., 1863, 242. 



Sterna (Haliplanea) fuliginosa, Blas., List B. Eur., 22. 



Sterna {Haliplana) fuliginosa, Coues, Key N. A. Birds, 1872, 322; Birds Northwest, 1874, 



698. 

 Onychoprion fuliginoaa, Wagl., Isis, 1832, 277. 

 Haliplana fuliginosa, Wagl., Isis, 1832, 1224. 

 Hydrochelidon fuliginoaum, Bp., List, 1838, 61. 

 Sterna serrata, Forst., Descr. An., ed. Licht, 1844, 276. 

 Onychoprion aeirata, Wagl., Isis, 1832, 277. 

 Haliplana aerrata, Bp., Comptes Rendus, 1856, 772. 

 Sterna guttata, Forst., Descr. An., ed. Licht., 1844, 211. 

 Anoua Vherminieri, Less., Descr. Mammif. et Ois. 1847, 255. 

 Sterna lucluosa, Phil. &, Landb., Wieg. Arch., 1866, 126. 

 Sterna fuliginoaa var. criaaalis, Bd., apud Lawr., Proc. Boston Soc, 1871. 



Locality : Palmyra Island, Fanning group. They were particularly 

 abundant on this island only. We arrived amongst them at the com- 

 mencement of their breeding-season. The spot which they had chosen 

 for breeding purposes was the extreme eastern or windward point of the 

 island, within a stone's throw of the breakers. They breed in commu- 



