REPORTS, ETC. INDEX OF SUBJECTS. 



69 



Plesiosaurus, continued. 

 macrocephalus, 62. 

 brachycephalus, 69. 

 macromus, 72. 

 pachyomus, 74. 

 arcuatus, 75. 

 subtrigonus, 77. 

 trigonus, 78. 

 brachyspondylus, 78. 

 costatus, 80. 

 doedicomus, 81. 

 rugosus, 82. 

 grandis, 83. 

 trochanterius, 85. 

 affinis, 86. 

 Plesiomorphism, Prof, Johnston on, 1831- 



32,429; 1837, 182. 

 Pleurobranchaceae of the JEgean Sea, 1 843, 

 134, 187; of Ireland, 1843, 251; of the 

 West coast of North America, 1856, 313. 

 Pleuronectes, Prof. Owen on the endo- and 

 exo -skeletal elements of a caudal vertebra 

 of a, 1846,252. 

 Pleuronectidae, Irish, 1840, 394 ; 1852, 292 ; 

 British, 1844, 303. 



of North America, 1836, 2 18 ; of New 



Zealand, 1842, 27; of the China and Japan 

 seas, 1845, 277. 

 Pleurotoma of the ^gean Sea, 1843, 139, 

 190 ; Irish, 1843, 257 ; South European, 

 1850, 267 ; West coast of North America, 



1856, 330. 



Pliny on earthquakes, 1850, 9- 



Pliosaurus brachydeirus, fossil, British, 

 Prof. Owen on, 1841, 60 ; P. trochan- 

 terius, 60. 



Plumatella, Prof. Allman on the polyzoon, 

 1850, 305, 330- 



Pluvio electrometer of the Kew observa- 

 tory, 1844, 141. 



Poa aquatica, &c., Prof. Buckman on the 

 growth of, 1857, 203 ; 1859, 30 ; 1860, 



Podophthalma, Irish, 1843, 267 ; 1852, 293 ; 



1857, 112; 1858,265; 185Sr,8i; British, 

 1850, 243 ; 1860, 222. 



, typical list of, for local museums, 



1855, 1 19. 

 Podosomata, British, 1860, 226. 



, Irish, 1843, 270. 



Poikilopleuron Bucklandi, Prof. Owen on, 



1841, 84. 

 Poiseuille's hsemadynamometer, 1840, 412. 

 Poisons, acrid, report on the effects of, by 

 Dr. Hodgkin and Dr. Eoupell, 1835, 211- 

 233 :— 



Introduction. 



The modus operandi of poisons, 220. 

 Inferences to be drawn from the situa- 

 tion of the principal lesion of the 

 stomach in poisoning, 221. 

 Cases and experiments, 225. 



, acrid, Dr. Eoupell's further report on, 



1835, 235. 



, report on, by Dr. Eoupell, 1841, 



26: — 



Poisons, report on, continued. 

 Introduction. 

 Exp. I. To show the effect of carbonic 



acid injected into the veins, 28. 

 Exp. II. To show the effects of car- 

 bonic acid when thrown into the 

 carotid artery, 28. 



, contagious. Dr. W. Henry on, 1834, 73. 



, on the action of isomorphous sub- 

 stances when introduced into the blood, 

 &c., by J.Blake, 1843, 115; 1845, 82; 

 1846, 27. 



, metallic, E. Mallet on their effect on 



molluscous or testaceous animals, 1843, 

 25. 

 Poisson's (M.) theory of the conduction of 

 heat, 1841, 9, 11. 



theory of waves at the surface of 



water, 1833, 143. 



theory of capillary action, 1843, 284. 



Polarization of light, Eev. Dr. Lloyd on 



the, 1834, 350. 

 of heat, Eev. Prof. Powell on, 1840, 



21, 23, 25, 28, 30. 

 by reflexion, Eev. Prof. Powell on, 



1831-32, 275. 

 by electricity. Prof. Schonbein on the 



phenomena of, 1840, 212. 



of sky-light. Prof. J, D. Forbes on 



the, 1840, 124. 



Pollen, Prof. Lindley on the origin of, 1833, 



44. 

 Polyatomic compounds and formulee, G. C, 



Foster and Dr. Odling on, 1859, 2. 

 Polymerism, Prof. Johnston on, 1831-32, 



435 ; polymeric substances, 439. 

 PolynemidEe of the China and Japan seas. 



Sir J- Eichardson on the, 1845, 218. 

 Polynoe, Dr. T. WilUams on the, 1851, 201, 



217, 237. 

 Polypi, Eev. L. Jenyns on the state of our 



knowledge of the, 1834, 236, 

 Polypoda, Irish, W. Thompson on, 1843, 272. 

 Polyptyciiodon, fossil, British, Prof. Owen 



on, 1841, 156. 

 Polyzoa, freshwater, report on the state of 



knowledge of the, by Prof. Allman, 1850, 



305:— 

 Introduction. 



Anatomy — Definition of terms, 307. 

 I. Organs for the preservation of the 

 individual, 307. 



A. Dermal system. 



B. Organs of digestion. 



C. Organs of respiration and circula- 



tion. 



D. Muscular system. 



E. Organs of the life of relation. 



IL Organs for the preservation of the 

 species. — Embryology, 320. 



1. Eeproduction by gemmae. 



2. Eeproduction by ova. 



3. Eeproduction by free embryos. 

 Zoographical outline. ■^— Diagnosis of 



genera and species, and synonymy, 

 326. 



