File:Transactions of the Royal Society of New Zealand (1911) (14781522942).jpg

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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opening too far.Fig. 10. Female watching a fly, which is unaware of its danger. (Fig. 8 shows what happened a second later.)Fig. 10. a, at D, strands of silk woven to keep the door closed ; O shows position of egg-bag (see fig. 14, top), b, at arrow, film of silk woven over young spiders. c, M shows partition often woven by moribund spi er.Fig. 11. Female holding door against intruder (profile).Fig. 12. Same from above, showing position of legs, &c.Fig. 13. Nests built under a stone. Both have two doors, one at each end.Fig. 11. Top nest with egg-case; middle nest which has been denudated, after which the spider has bored in farther ; lowest a nest built near surface on account of hardness of earth. (Fig. 14 also shows a bank in which the nests are in their natural position.) Fig. 8, 9, 10, 11, and 12 do not, of course, show true position of tube ; they should beas in fig. 14; but if drawings are turned around, the proper effect is obtained. Trans. N.Z. Inst., Vol. XLtV. Plate XV.
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MlGAS DIST1NCTUS. F<ice p. UQ.) Kirk.—Heptatrema cirrata Forster. 241 Art. XXVI.—Some Features of the Circulatory System of Heptatrema cirrata Forster. By Professor H. B. Kirk, M.A., Victoria College, Wellington. (Read before the Wellington Philosophical Society, 4th October, 1911.\ Plates XVI, XVII. During this year I obtained several specimens of Heptatrema cirrataForster. In this paper I give a short account of the circulatory system,which presents some features of interest. As there are not in NewZealand the publications containing the papers of most of the workerson Myxinoid anatomy, I do not go into any great detail in this paper. Ten specimens were at different times injected. Injections were madeinto the ventral aorta, the dorsal aorta, and usually one of the posteriorcardinal sinuses. Although the injection of Heptatrema is often veryeffective, it is apt to be capricious. Usually an injection thrown intoone of the posterior cardinal sinuses suffices to fill the whole v

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