Transactions of the Royal Society of New Zealand

Description:

Oreosoma atlanticum
Identifier: transactionsofro1911roya (find matches)
Title: Transactions of the Royal Society of New Zealand
Year: 1911 (1910s)
Authors: Royal Society of New Zealand
Subjects: Science
Publisher: Wellington, N.Z. : The Society
Contributing Library: Brigham Young University Hawaii, Joseph F. Smith Library
Digitizing Sponsor: Consortium of Church Libraries and Archives

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Text Appearing Before Image:
ions of the abdomen. The rays are similar tothose of the dorsal, but have a somewhat more posterior hinder insertion.-The ventrals are noticeably separated, and of considerable length, theslender spine being one-half longer and the first ray twice the length ofthe orbit. The pectoral is rounded, and its length is equal to the diameterof the eye. The feeble tail is also rounded, and the depth of the slenderpeduncle is less than half the eye-diameter. Scales.—The scales are nowhere imbricate, but form a mosaic, the com-ponents varying greatly in different parts of the body. They are minuteon the interorbital space, small on the cheeks and opercles, and on theupper and hinder part of the body. They are larger immediately behindthe opercles and on the sides of the body, while those on the ventral surfacesare tubercular. All are 6-sided and concentrically striated. The lateralline is well marked: it originates behind the opercle and rises above the TRAiNS. N.Z. Inst., Vol. XLIV. Plate XI
Text Appearing After Image:
Face p. 198. Waite.—Notes on New Zealand Fishes. 199 pectoral fin to a point in advance of the first dorsal cone ; it thence dropsto the mid-line of the body and passes along the middle of the caudalpeduncle. Cones.—The remarkable cones which give the fish such a strikiDg appear-ance are disposed as follows : The swellings on each side of the dorsal ridgeabove referred to support 2 pairs of small size ; the hinder pair lie at thebase of the dorsal spines, and are directed outwards ; the pair in front ofthese have a more upward aspect. All the other cones exist on the ventralportion of the body ; the largest form a series of 5 pairs disposed alongthe lateral margin, the centre one on each side being the largest, anddirected straight from the body, those before and behind being diver-gent. A smaller cone is placed immediately in front of each ventral fin,and a similar, though larger one, on each side of the vent between theseventral and anal cones. There are 3 pairs of much smaller

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