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Scientific Serials

Nature (London), 1873-07, Vol.8 (196), p.275-275 [Peer Reviewed Journal]

ISSN: 0028-0836 ;EISSN: 1476-4687 ;DOI: 10.1038/008275a0

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  • Title:
    Scientific Serials
  • Is Part Of: Nature (London), 1873-07, Vol.8 (196), p.275-275
  • Description: The June number of the Journal of Anatomy and Physiology contains several papers of special interest, as well as the excellent summaries by Profs. Turner and Rutherford, of the progress of Anatomy and Physiology during the last six months. Prof. Turner describes, for the first time, the Visceral Anatomy of the Greenland Shark (Lœmargus borealis) from two specimens caught near the Bell Rock. The larger was 11 feet 8 inches long, and the other 8½ feet: they were both females. The most important peculiarities of this fish, wherein it differs from other sharks are, that the bursa entiana is not developed; that there are two large duodenal eæca, one of which is closely adherent to the pyloric tube, as well as a true pancreas, corresponding with the similar condition found by Alessandrini in the Sturgeon; and that there are no oviducts, so that the ova must be discharged into the peritoneal cavity. From these peculiarities the author places Læmargus in a family by itself; named by him Læmargidæ.-Prof. Turner also, in a short paper on the so-called claw at the end of the tail of the lion, shows that no true claw exists, but that the tip of the tail is hairless, and becomes hard on drying.-Prof. Rutherford tabulates experiments proving that the retardation of the pulse in the rabbit, which follows closure of the nostrils, depends on the obstruction of the respiration, and not as Drs. Brosvn-Séquard and Sanderson supposed, on direct reflex action. Mr. Dewar and Dr. McKendrick describe experiments on the Physiological Action of Light, an account of which has already appeared in this journal.-Mr. Blake, of San Francisco, has a paper on the action of the salts of the metals sodium, lithium, cæsium, &c., when introduced directly into the blood. Mr. A. H. Smee, in a paper on the physical nature of the coagulation of the blood, endeavours to prove that it coagulates in obedience to a purely physical law, namely, the power of soluble colloid matter to pectinise, or spontaneously to coagulate. Mr. Garrod, on the law which regulates the frequency of the pulse, proposes as a substitue for that given by Marey, the following:-the heart re-commences to beat when the arterial tension has fallen an invariable proportion, this being the only possible explanation of the facts that pulse rate varies with arterial resistance and not with blood pressure. He also gives a new theory of the source of nerve force.-Dr. Charles, Prof. Curzon, and Prof. Drachmann, record peculiarities in anthropotomy, the first in the arterial system, the second in the muscular and nervous system, and the third in the muscular.-There is an excellent and very careful review, by Mr. Trotter, of the Rev. Samuel Haughton's "Principles of Animal Mechanics," which will be very valuable to many physiologists, who here have the opportunity of seeing the opinion of a mathematician, who is also a biologist, of a work which might by itself lead them to think that the physiogical basis for work was in a better position than it really is.
  • Language: English
  • Identifier: ISSN: 0028-0836
    EISSN: 1476-4687
    DOI: 10.1038/008275a0
  • Source: Alma/SFX Local Collection
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