336 Mr. Blyth's Commentary 13G. Tanysiptera sylvia, Gould. H. B. A. i. p. 137. Only one seen. 137. Sphenceacus galactodes (Temminck). H. B. A. i. p. 399. 138. CisTicoLA isura, Gould. H. B. A. i. p. 352. I have no doubt, when Mr. Rainbird has time to pay more attention to the less gaudy birds, many more of our New South Wales species will be found in Queensland. XXIX. — The Ornithology of India. — A Commentary on Dr. Jerdon's 'Birds of India.' By Edward Blyth, late Curator of the Museum of the Asiatic Society at Calcutta, Hon. Mem. As. Soc. [Continued from p. 258.] 82. HiRUNDO RUSTiCA, L. ; H. gutturalis, Scop.; H.panay-ana, Gm. ; H. jewan, Sykes. The average of adult Swallows from the Indian region and China are smaller than the average of European examples, to the extent sometimes of an inch in length of wing ; but some Indian are undistinguishable from European specimens. Thus Dr. Jerdon remarks, " On carefully comparing specimens from England and Algiers in the Museum at Calcutta with Indian specimens from various parts of the country, I can detect no difference." Mr. Gould has lately described a H. fretensis (Handb. B. Austral, i. p. 110) from North Australia and Java; and this seems to be the same Swallow that Dr. Jerdon indicates as exemplified by one specimen from Java and another from Southern India (p. 157), in which case H. frenata has to be added to the ' Fauna Indica.' The H. tytleri, Jerdon (Appen-dix, p. 870), comes very near to H. cahirica of Palestine and Egypt, but is rather smaller and has much less of the black gorget. It may be said to hold that relationship to H. guttu-ralis which H. cahirica does to H. rustica ; and H. hyperythra of Ceylon is an analogous rufous-bellied race of H. erythropygia. 83. HiRUNDO DOMICOLA. Mr. Mottlcy obtained it in Borneo (P. Z. S. 1863, p. 217).
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