Microscopic Journal, and Structural Record . on the Vascular Structure of the Iris.—In the Annali Uuiver-sali, 1841, M. Grimelli has published an article on the structure of theiris. By injections of coloured oils thrown into the carotids, he hasbeen able to inject the interior of the eye, and all the vessels of the his injection he has seen the iris swell, and from his observationson the direction and form of these vessels, he believes that that mem-brane is of a vascular, and not of a muscular structure.—Land, and Jour. Med. Science, Jan. 1842, p. 58. [If we mistake n
Microscopic Journal, and Structural Record . on the Vascular Structure of the Iris.—In the Annali Uuiver-sali, 1841, M. Grimelli has published an article on the structure of theiris. By injections of coloured oils thrown into the carotids, he hasbeen able to inject the interior of the eye, and all the vessels of the his injection he has seen the iris swell, and from his observationson the direction and form of these vessels, he believes that that mem-brane is of a vascular, and not of a muscular structure.—Land, and Jour. Med. Science, Jan. 1842, p. 58. [If we mistake not, the late Sir Astley Cooper demonstrated this factsome years since ; the specimens are, we believe, still to be seen in theMuseum left by that distinguished anatomist.] Busk on the Hairs of Animals.—The references to the figures inPlate 2, will be given in the continuation of Mr. Busks paper On theStructure of Hairs and other Cuticular Appendages in various classes ofAnimals.—No. 2, page 225. jvucroscopic .lovimaJ. rl. Z. pJiZl: Busk an of Aruniaio- 225 XXXIII. ON THE STRUCTURE OF HAIRS AND OTUER CUTICULAR AP- PENDAGKS IN VARIOUS CLASSES OF ANIMALS. No. 2. By George Busk, Esq., Surgeon to the Hospital Ship,Dreadnought, SfC. The hairs figured in Plate 2. accompanying the present number ofthe Journal, are those belonging to animals in the following classes ofMammalia :— I. RODENTIA. Rabbit—figs. 5, 7, 15, 24. Rat—figs. 14, 18. Musquash (Mu3. Zibeth. Gm.)—figs. 13, 22, 23. Hare—fig. 10. II. Carnivora. 1. Digitigrada. a. Viverrine. Ermine (Putorius. Cuv.)—figs. 1, 2, or Fitch (Putorius ? Cuv.)—figs. 4, 6, (Mustek. ZibeU.)—figs. 3, 21. b. Feline. Cat—fig. 17, 20. Ocelot (F. Pardalis)—fig. 11. Tiger (F. Tigris)—fig. IG. c. Canine. Dog (Canis Fam.)—fig. 19. 2. Insectivora. Mole (Talpa)—fig. 8. The hairs of the Rodents here figured, farther corroborate what wasadvanced in the former notice on this subject (p. 33),
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