L 164 M, Sundevall 07i the Birds of Calcutta. Neither can the capsules of F. Turtoni be mistaken for those of B. undatum, which are not more than a quarter of an inch in diameter, and contain upwards of twenty-four embryos. In conclusion, it is utterly impossible for the most casual observer to mistake the spawn of these distinct and interesting species, or to confound them with one another. The following table will show at a glance a few of the chief points of distinction : — Embryos. No. of, in each Capsules. Size of. capsule. Fusus Norvegicus 1 in. diam. i by ^ in. 2 or 3 Turtoni i^o by tV l^Y \ 6 antiqims \ \ 2 — 4 Buccinum undatum ... \ xV 24 EXPLANATION OF PLATE X. Fig. 1. Ftisus Norvegicus. Fig. 2. Operculum, Fig. 3. Ova-capsule. Fig. 4. Embryos. Fig. 5. Fusus Islandicvs^ hispid var. Fig. 6. Fusus Turtoni. Fig. 7. Operculum. Fig. 8. F. Turtoni, young. Fig. 9. Ova-capsule. Fig. 10. Embryos. XXI. — The Birds of Calcutta, collected and described hy Carl J. Sundevall*. [Continued from p. 95.] 82. Parra indica, Lath. no. 10. — P. melanochloris, Vieill. Gal. tab. 264 (colore superne nimis viridi. In descr. Parrce melanoviridis) . P. superciliosa, Horsf. Jav. Linn. Tr. xiii. Obs. P. senea, Cuv. R. A. e Brasilia, huic affinis an eadem ? Supra fusco-senea, dorso postico castaneo, alis muticis, subtus remigibusque nigris ; naribus ovalibus. (Cauda brevis, gradata, vix excedit alas.) Adulta. Atra, viridi-nitens, vitta pone oculos alba. Dorsum antice cum alis extus saturate fusco-senea. Dorsum postice et cauda ob-scure rufa, violaceo-nitida. Iris fusco-rufescens. Rostrum flavum, basi cute libera, supra frontem jacente, postice semicirculari, in-structum. Pedes fusco-virescentes. Longit. 10| poll. Ala 174 millim., tarsus 74, digitus medius 72, cum ungue 101 ; digitus pos-ticus 31, cum ungue 90 ; rostrum e fronte 36, cauda 36. ( (^raense Febr, Alius Martio simillimus.) * Translated from the ' Physiographiska Sallskapets Tidskrift' by H. E. Strickland, M.A.
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