27 



HYDEOOHELIDON LAEIFOEMIS, (Linn.) Coues [ISos. 70661, 70662J. 



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



Sterna Jissipes, LiNN., Syst. Nat., i, 1766, 228. 



HydrocJielidonfissipes, Gray, Gen. 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 aurinamensis, Gm., Syst. Nat., i, 1788, 604. 



Hydrochelidon surinamensis, Bp., Comptes Kendus, 1856, 772. 



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



Hydrochelidon nigricans et oisctira, Brehm, V. D., 1831, 794, 795. 



Sterna plumbea, WiLS., Am. Orn., vii, 1813, 83, pi. 60. 



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



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



Locality: Mita Point, Sinaloa, Mexico. Taken in May, at which 

 I)eriod one had completed its breeding-dress, while the other had 

 only begun to change its winter plumage. 



STERNA (HALIPLANA) FULIGINOSA, Gm. [Nos. 67322, 6732S, 



67334]. 



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



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



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



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



698. 

 Onychoprion fuliginosa, Wagl., Isis, 1832, 277. 

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

 Hydrochelidon fuliginosum, Bp., List, 1838, 61. 

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

 Onychoprion s&rrata, Wagl., Isis, 1832, 277. 

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

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

 Anous Vherminieri, Less., Descr. Mammif. et 01s. 1847, 255. 



Sterna luctuosa, Phil. & Landb., Wieg. Arch., 1866, 126. • 



Sterna fuliginosa var. crissalis, 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 comma- 



