SMITHSONIAN INSTITUTION WASHINGTON 25, D. C. McKean Island page 2 Blood Samples : 172 samples of 17 species were taken. Species Number of Samples Wedge-tailed Shearwater 10 Christmas Is. Shearwater 1 Audubon's Shearwater 20 Bulwer's Petrel 1 Masked Booby 22 Brown Booby 12 Red-footed Booby 10 Great Frigatebirds 10 Lesser Frigatebirds 10 Red-tailed Trāpic Bird 1 Bristle-thighed Curlew 5 Gray-backed Tern 10 Sooty Tern 10 Common Noddy 19 Hawaiian Noddy 10 Fairy Tern 11 Blue-gray Noddy 10 172 Birds Collected : 75 specimens of 16 species were collected. Species Number of Specimens Wedge-tailed Shearwater 10 Christmas Is. Shearwater 1 Audubon's Shearwater 10 Bulwer's Petrel 4 White-throated Storm Petrel 7 Brown Booby 1 Great Frigate 4 Lesser Frigate 10 Bristle-thighed Curlew 1 Crested Tern 1 Sooty Tern 1 Common Noddy 1 Hawaiian Noddy 3 Fairy Tern 4 Blue-gray Noddy 12 Sandpiper No. 2 (same as Howland) 5 75 Mammals : No evidence of any species of mammal. Reptiles : No skinks, gekkos scarce; 4 collected. Turtles laying eggs but don't come on beach until 4 A.M. because of bright moon.