M. Sundevall on the Birds of Calcutta. 397 the two following species being Dublin Bay, I shall here copy some notes upon them ; — their forms have been known to me since 1835, Halichondria incrustans, Espcr. (sp.), Johnst. B. S. p. 122. pi. 12. fig. 3. and pi. 13. fig. 5. Abundant, adherent to rocks between tide-marks on the Down coast. Dr. Johnston calls it an " unattractive species," in which — but it is a matter of mere taste — I cannot agree. Its reddish orange colour on the dark rocks is to my eye most lively and pleasing, and more particularly so, when other sponges are in its immediate prox-imity. At Ballyholme, Belfast Bay, within the space of a very few square feet, this species may be seen in small orange patches on the rock ; Hal. panicea in green masses, and by throwing aside the hang-ing fronds of Fucus nodosus (covered by their parasite Polysiphonia fastigiata), Ptilota plumosa densely clothing the shaded rock is ex-posed to view, and on it the Grantia botryoides and G. foliacea grow plentifully, and the G. ciliata is sparingly seen. Although H. incrustans inclines generally to look directly down upon the water, or to grow on the under surface of rocks (see Grant, quoted in Johnst. B. S. p. 124), I find it also attached to their per-pendicular sides, and when so, the " fecal orifices " are elevated, but not very much, above the surface. Grantia coriacea, Mont, (sp.), Johnst. Brit. Sponges, p. 183. pi. 21. fig. 9. was found on an Anomia attached to an oyster dredged at Killough, Downshire, March 1835. W. TV XLIV. — The Birds of Calcutta, collected and described by Carl J. Sundevall*. [Continued from p. 309.] 44. Bucco philippensis, Briss., L., Lath., Teram. in PI. Col. livr. 88. — B. indicus, Lath. (B, parvus, Gm., Lath, est junior, auct. Temm. loc. cit.y quod nomen potius ut specificum adhibendum ; sed junior mihi ignotus.) Olivaceo-viridis, subtus flavescens viridi-maculatus ; fronte macu-laque pectoris antici coccineis ; gula, macula supra aliaque infra oculos flavissimis. ( $ $ adulti, simillimi, Febr. Martii.) Longit. 6 poll. Ala 83 mill., tarsus 18, cauda 38. Pedes pallide rubri. Orbita nuda, rubra. Iris rubra. Lingua plana, lata, basi ut vulgo sagittata ; margine membranacea, apice obtusa ; leviter la-cero-bifida. Remigum l a brevissima ; 4 a reliquis longior. (Testi-culi in medio Febr. tumidi. Ova tumida et oviductus crassitie in-testini, initio Martii.) This handsome little bird was common around Calcutta, and * Translated from the ' Physiographiska Sallskapets Tidskrift' by H. E. Strickland, M.A.
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