Birds of the United States. 33 
GENUS 72. TACHYPETES, Vieill. 
1346. Tachypetes a aunt^s, Vieill. Frig-ate Pelican of Wilson's list. — 
Buff. pi. enl. 961. Nob. 4. pi. 
GENUS 7o. *SULA, Eriss. 
ii34r. *SuLA BASSAKA. Gannct of Wilson's list — bis Brown 
Booby (Pelecanus fiber, I,.) is pro- 
bably the very voung-, (chicken.) 
Buff. pi. enl. 278, adult, id. 986, 
young-. 
GENUS 74. PHAETON, L. 
i|348. PHAETOiir ^TKERETJS, L. Tropic bird of Wilson's list. — Buff. 
pi. enl. 919, adult, id. 998 & 339, 
young-. 
GENUS 75. PLOTUS, L. 
349. Plotus anhing-a, L. Plotus melanogaster, Wils..9. p. 79, 
pi. 74, fig-. 1, male; p. 82, pi. 74, 
fig-. 2, female. 
FAMILY XXVII. *L0B1PEDES. 
GENUS 76. PODOA, 111. 
350. PoDOA suRiKAMEBTsis, 111. Plotus surinamensis, Gm. Lath. — 
Buff. pi. enl. 893. 
GENUS 77. *PODICEPS, Lath. 
!1351. *PoDicEPS CRiSTATUs, Lath. Crested Grebe of Wilson's list. — 
Buff. pi. enl. 400, adult; id. 944 
et 941, young-. 
352. *PoDiCEPS BiiBiiicoLLis, Lath. Podiceps rubricoUis, Sabine iiT 
Franklin's Exp. — Buff. pi. enl. 
931. 
353. *PoDicEPs coRNUTus, Lath. Colymbus cornutus, Gm. — Buff. pi. 
enl. 404, fig-. 2, adult; id. pi. enl., 
942, young-. 
ij354. Podiceps CAROLiifEJfsis, Golymbus podiceps, Gm. — Buff. pi. 
[Lath, (a) enl. 943, young-. 
FAMILY XXVIII. ^PYGOPODES, 111. 
GENUS 78. *COLYMBUS, L. 
355. *Colymbus glacialis, L. Colymbus g-lacialis, Wils. 9. p. 84, 
pi. 74, fig-. 3. 
(a) Podiceps ludovicianus, Lath, is the youn^. This species is undoubtedly tlie 
Lltde Grebe of Wilson's list, as that bii-(i (Podiceps minor. Ijadi. ) seems not to be 
found in N. Am. nolwithstandiiig the sUttemcrits of autlioi-t; to the corUrHiy. 
Vol. I. 5 
