PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 65 



as that of the Costa Eica specimen), a few roundish black spots on the 

 breast; on the abdomen the markings are in clusters, and irregular in 

 form. 



Length (skin), 13 in. ; wing, 9^ ; tail, 43- ; tarsus, 2^. 



Besides its much darker upper plumage, the Dominican form is of 

 much smaller dimensions. 



The color of the eggs is dead white; they measure in length 1.60 by 

 1.22 in breadth. 



Fam. FALCONID^. 



35. Pandion haliaetus (Linn.). 

 " Fish-hawk." 



" Seen circling over the sea in September." 



36. Buteo pennsylvanicus (Wils.). 



" ' Mai tlui.' St. Marie, Indian country. 



" This bird courses above the valley, uttering its cry of ' Mai fini, fini'. 

 It is not abundant; eats lizards as well as small birds. The largest of 

 the Hawks here resident. Iris amber. 



"Length, <?, 15 in. ; alar extent, 32 ; wing, 10^. 



"Length, 9, 15 in.; alar extent, 32 ; wing, 10." 



37. Tinnunculus sparverius var. antillarum (Gm.). 

 " ' Glee glee.' I^owhere abundant. 



" Length, ^, lOi in. ; alar extent, 20; wing, Of." 



The two specimens sent were submitted to Mr. Ridgway for deter- 

 mination ; he wrote me as follows : — " The Dominica Timiuncuhisis iden- 

 tical with that from St. Thomas, St. Bartholomew, and Porto Rico. It 

 is what I have called '■sparverius var. dominicensis\ but I find upon 

 farther investigation that it should bear the name of antillarum^ Gm. — 

 dominicensis being, as I now conclude, the bird which I have called leu- 

 cophrys.'^ Mr. Ridgway also wrote : — " You may mention that I have a 

 male T. sjmrveroides, in the j)lumbeous plumage, from South Florida."' 



Fam. FREGATID^. 



38. Fregata aquila (Linn.). 



" Man o' War Hawk ; Frigate Pelican." 



" Often seen iiyiug at great height ; said to breed on an inaccessible' 

 cliff on the southeastern side of the island." 



Fam. PII^THONID^E. 



39. Phaethon flavirostris, Brandt. 

 " Tropic Bird. Abundant. 



" Breeds in the cliffs near the Lime Plantation of Batalie, the prop- 

 erty of Dr. imray. They also breed in the cliffs of Mount David, near 

 Proc. Nat. Mus. 78 5 Joaly 3®, 1§78, 



