---- fulva, 30 ---- melaniana, 15 ---- punctata, 30 ---- strigata, 19 ---- tessellata, 5 _Mussel-horse, areolated_, 18 Myotherinæ, characters of, 23 Nanodes, characters of, 21 ---- venustus, 21 Oliva, affinities of, 40 ---- volutella, 40 ---- striata, 40 Pachyrhynchus, Gen. Ch., 41 Pachystoma, Gen. Character, 9 Paleornis Pondicerianus, 16 Papilio Niamus, 32 Parra africana, 6 _Parrakeet, blue-fronted_, 21 ---- _mustachoe_, 16 ---- _Tabuan, or King_, 28 ---- _vernal_, 2 Petroica, Generic Character, 36 ---- bicolor, 43 ---- multicolor, 36 _Phytophagous Molluscæ_, 30 Platycercus scapularis, 26 Ploceus, Generic Character, 37 ---- the sub-genera, 37 Ploceus textor, 37 Polyborus Braziliensis, 1 Psariana, characters of, 41 Psaris cristatus, 41 ---- Jardinii, 35 Psittacidæ, Divisions of, 28 Psittaculus vernalis, 2 Rhetus Cramerii, 33 _Robin, black and white_, 43 ---- _scarlet breasted_, 36 Rostellaria curvirostris, 34 _Saris, crested_, 41 ---- _Jardines_, 35 Saxicolinæ, Bill of, 36 Setophaga picta, 3 Strombus Peruvianus, 39 Strombii, Genera of, 35 _Snail, Waved, Pearl_, 14 _Swallow, white-banded_, 17 _Swift, long-winged_, 42 _Tanager, red-headed_, 27 ---- _yellow_, 31 _Tellen, wide-beaked_, 20 Tellina latirostra, 20 Thriothorus mexicanus, 11 Voluta bullata, 15 Volutella, sub-genus of, 44 Volute, Bulla-shaped, 15 Unionidæ, Family of, 10 Unio, Generic Character, 10 ---- truncatus, 10 _Weaver, rufous necked_, 37 Wren, mexican, 11 Zoophagous Molluscæ, 35 * * * * * * Notes. [1] Zool. Journal, Vol. 4. p. 405. [2] Ill. of Brit. Ent. 1. p. 70. * * * * * Corrections made to printed text Preface: 'separate' (with critical judgment) corrected from 'seperate'