Annals & Magazine of Natural HistoryTaylor & Francis, Limited, 1874 |
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abdomen Abundant angles animal annelids antennæ apex apical appear base black-punctured body border British Museum caudal cavity cells central centre cephalothorax cilia cilium colour corium coxæ Crustacea dark brown deep water Dendrohyrax diameter dorsal East Rocks ectoderm Elytra embryo equianchorate Esperia eyes female figured flesh-spicules Foraminifera front fuscous Gastrula Genus gnathopods Grantia compressa Gthr haddock hairs Halichondria simulans head inch joint lateral margins latter layer legs length lobes longitudinal Loxomma luteous male maxilla Membrane Mgrn middle narrowly nerve Nummulites O. F. Müller outer ovum pair pale brownish yellow Peripatus piceous pitchy Plate portion posterior margin pronotum punctured round Sacculina Sands after storms sarcode Scutellum segment side skeleton-spicule skull species specimens spicules spines sponge spots Sternum stomachs of cod streak structure surface tarsi teeth testaceous thickly third Thorax.-Pronotum tibiæ tide-marks transverse tricurvate West Sands yellowish
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ii 페이지 - Animal, Leyden, 1767. ............ The sylvan powers Obey our summons ; from their deepest dells The Dryads come, and throw their garlands wild And odorous branches at our feet ; the Nymphs That press with nimble step the mountain-thyme And purple heath-flower come not empty-handed, But scatter round ten thousand forms minute Of velvet moss or lichen, torn from rock Or rifted oak or cavern deep : the Naiads too Quit their loved native stream, from whose smooth face They crop the lily, and each sedge...
236 페이지 - The specific gravity of the water has been taken daily by Mr. Buchanan ; and, during the trip, Mr. Buchanan has determined the amount of carbonic acid in 24 different samples — 15 from the surface, 7 from the bottom, and 2 from intermediate depths. The smallest amount of carbonic acid was found in surface-water on the 27th January, near Kerguelen ; it amounted to 0-0373 gramme per litre. The largest amount, 0-0829 gramme per litre, was found in bottom-water on the 14th February, when close to the...
230 페이지 - Peripatus, which consist of a number of fine tubes opening into the extremity of a single short common duct leading to the exterior of the body, seems to give a clue. The tracheae are, very probably, modified cutaneous glands, the homologues of those so abundant all over the body in such forms as Bipalium or Hirudo. The pumping extension and contraction of the body may well have drawn a very little air, to begin with, into the mouths of the ducts ; and this having been found beneficial by the ancestor...
234 페이지 - Rotalina and one other Foraminifer occurred. " At 150 fathoms, between Kerguelen and Heard Island, the bottom was composed of basaltic pebbles. The bottom at Heard Island was much the same as at Kerguelen. " The sample obtained from a depth of 1260 fathoms, south of Heard Island, was quite different from any thing we had previously obtained. It was one mass of Diatoms, of many species ; and, mixed with these, a few small Globigerince and Radiolarians, and a very few crystalline particles.
234 페이지 - Rhabdoliths were also found in the samples from these soundings. On the whole, these bottoms were, I think, the purest carbonate of lime we have ever obtained. When the soundings were placed in a bottle and shaken up with water, the whole looked like a quantity of sago. The Pulvinulince were smaller than in the dredgings in the Atlantic.
232 페이지 - Challenger/ Received May 25, 1874. Melbourne, March 17, 1874. DEAR ADM1RAL R1CHARDS, — 1 have the pleasure of informing yon that, during our voyage from the Cape of Good Hope to Australia, all the necessary observations in matters bearing upon my department have been made most successfully at nineteen principal stations, suitably distributed over the track, and including Marion Island, the neighbourhood of the Crozets, Kerguelen Island, and the Heard group. After leaving the Cape several dredgings...
167 페이지 - In other groups of mammals, likewise, so far as observed, the size of the brain shows a corresponding increase in the successive subdivisions of the Tertiary. These facts have a very important bearing on the evolution of mammals, and open an interesting field for further investigation. DEEP SEA SOUNDINGS. — The " Tuscarora," Commander Belknap,duly reached Honolulu from San Diego, California, having been engaged in taking deep-sea soundings.
235 페이지 - The bottom at 2150 fathoms (lat. 47° 25' S., long. 130° 32' E.) was similar to the last, with a reddish tinge ; and that at 2600 fathoms (lat. 42° 42' S., long. 134° 10' E.) was reddish clay, the same which we got at like depths in the Atlantic, and contained manganese nodules and much decomposed Foraminifera.
240 페이지 - Xenoclea, 1 noticed a peculiar opaque glandular structure filling a large portion of the third and fourth pairs of thoracic legs, which in most, if not all, the non-tube-building Amphipoda are wholly occupied by muscles. A further examination shows that the terminal segment (dactylus) in these legs is not acute and claw-like, but truncated at the tip and apparently tubular. In this species, a large cylindrical portion of the gland lies along each side of the long basal segment, and these two portions...
234 페이지 - It is of course impossible to determine the species with the books of reference at our command ; but many of them are new to science, and some are of great interest from their relation to groups supposed to be extinct. This is particularly the case with the Echinodermata, which are here, as in the deep water in the north, a very prominent group. • During the present cruise special attention has been paid to the nature of the bottom, and to any facts which might throw light upon the source of its...