244 VISCOUNT WALDEN ON THE BIRDS 
Bonaparte wrote, it was labelled Lestris parasiticus? ex Malasia, Boie; and in the 
Berlin Museum (example above referred to) Lestris crepidata, Cabanis. 
STERNINA. 
HyDROCHELIDON, Boie. 
207. HyDROCHELIDON LEUCOPAREIA. 
Sterna leucopareia, Natterer, Temm. Man. d’Orm. 2nd ed. ii. p. 746 (1820); Walden, Tr. Zool. Soe. 
vii. p. 103. 
Hab. Luzon, February. Bill grey-black; feet coral-red; nails black (Meyer). 
The example thus labelled has the bill and feet dark carmine in the dried skin. 
208. HyDROCHELIDON, sp. 
Sterna (Hydrochelidon) fluviatilis, Gould? , v. Martens, J. f. O. 1866, p. 30, no. 186. 
Dr. v. Martens (/. ¢.) mentions having seen a Tern very abundant on the Passig river 
and in the Bay of Manilla, which he identifies, with doubt, as above. Examples are 
noted by him as being preserved in the Berlin Museum. 
Sterna brachyura, v. Kittlitz, Voy. Liitke (Postels), iii. p. 327, sine descr., ‘* Manilla,” 
has not since been recognized. 
OnycHoprion, Wagler. 
209. ONYCHOPRION ANASTHETUS. 
L’Hirondelle de mer de Visle de Panay, Sonn. Voy. Nouv. Guin. p. 125, pl. 84. 
Sterna anesthetus, Scopoli, Del. Fl. Faun. Insubr. ii. p. 92, no. 72 (1786), ex Sonn. 
Panayan Tern, Lath, Synop. iii. pt. 2, p. 363, no. 15, ex Sonn. 
Sterna panayensis, Gm. S. N. i. p. 607, no. 16 (1788), ex Lath. 
Sterna panaya, Lath. Ind. Orn. ii. p. 808, no. 16 (1790), ex Gm.; Finsch & Hartl. Orn. Central- 
polyn. p. 228; Végl. Ost-Afrik. p. 833. 
Hab. Panay (Sonnerat). 
Awnous, Leach. 
210. Anous sToLipus ? 
Sterna stolida, Linn. 8. N. i. p. 227, no. 1 (1766). 
Le petit Fouquet des Philippines, Sonn. Voy. Nouv. Guin. p. 125, pl. 85. 
Sterna pileata, Scopoli, Del. Fl. Faun. Insubr. ii. p. 92, no. 73 (1786), ex Sonn. 
Sterna philippina, Lath. Ind. Orn. ii. p. 805, no. 7 (1790), ex Sonn. 
Sonnerat’s description differs somewhat from A. stolidus; and until Philippine ex- 
amples can be compared, the question of identity must remain in doubt. 
