Author of “Beiträge zur Lehre der Respiration” in “Archiv für die gesammte Physiologie, 1875;” Editor of “Archiv für die gesammte Physiologie des Menschen und des Thiers,” Bonn, 1868, etc. =Picard, P.=, Lyons. Prof. of Physiol. Med. Faculty. Made experiments on the action of morphine in dogs.--_Gaz. Med. de Paris_, No. 12, p. 143. =Pierret= (Mons.), Lyons. Prof. of Path. Anat. Med. Faculty. =Pitres, A.=, Paris. Author (jointly with M. F. Franck) of “Recherches graphiques sur les mouvements simples et sur les convulsions provoquées par les excitations du cerveau,” Travaux du lab. de M. Marey, 1878-79, p. 413. Dogs trepanned, the brain stimulated, muscles of the paw dissected out, eyelids hooked back to study the change of the diameter of the pupil during electric stimulation of the brain. =Platt, W. B.=, Baltimore. M.D. (Harvard), M.R.C.S. (Eng.). Made experiments on the action of Resorcin on dogs, rabbits, and frogs. “Exp. 3.--A black and tan male dog, weight 4,675 grammes, injected at 5.08 p.m. April 10th, 1882, with 1·5 grammes dissolved in distilled water.… This is injected in 5 places beneath skin of abdomen.… Up to 5.24 very restless.… 5.29. Same, seems very unhappy, tremor of hind legs. 5.30. Back arched as he moves about; holds up left fore-paw high in the air, quivering.… 5.44. Staggers, tumbles, steps about constantly.… 11th--Dog of yesterday seen at 3.20 p.m.… Drags hind legs after him, as if paraplegic, with much difficulty manages to stand. A viscid saliva drops from mouth.…. 3.40. Froths copiously at mouth; lies down as if to sleep.… 6.14. Gasps, barks, foams at mouth, eyes glare, jaws snap.… 6.36. Struggles further, a violent spasm, head drawn back at right angles to body, intermittent jerking of limbs.… 7.22. Dog appears almost normal, with slightly rapid respiration. Still does notice noises or objects; greatly exhausted; animal _now left_.” “12th.--At 6 a.m. animal found dead after at least 26 hours.”--“_Observations on the Action of Resorcin_,” _Amer. Journ. of Med. Sci._, Jan., 1883, p. 100. =Piso-Borme= (Prof.), Cagliari University. =Popoff, Leo.= Phys. and Prof. Univ. St. Petersburg. Author of “Ueber die naturliche pathologische Injection der Gallengänge und einige andere, nach der Unterbindung des Ductes choledochus bei Thieren beobachtete pathologische Erscheinungen,” Virchow’s Archiv, Vol. LXXXI. (1880), p. 524; “Ueber die Folgen der Unterbindung der Ureteren und der Nierenarterien bei Thieren, im Zusammenhang mit einigen anderen pathologischen Prozessen,” Ibid., Vol. LXXXII., p. 40. Made experiments on rabbits and dogs. =Pouchet, Félix Archimède.= Born at Rouen, 1800. Died at Rouen, 1872. M.D. Paris, 1827; Prof. Nat. Hist. Museum of Rouen; Prof. Med. Sch. Rouen, 1838; Member of several Learned Socs.