1050 



INDEX. 



Psychrometer, automatic registration of, 

 by photography, 85 1 . 



Quaternions, theoiy of, 865. 

 Queen Dowager, death of, 897. 



Railway trains, power consumed by, 606 ; 

 resistance of the air to, 607. 



Rain, observations of the depth of, in the 

 hilly districts of Lancashire, Cheshire 

 and Derbyshire; greatest fall at the 

 bottom of hills less than 2000 feet 

 high, 759; comparison of different 

 locahties, 760. 



, a certain result of meteoric corusca- 

 tions and iridescences in the skv, 

 811. 



• , great differences in the fall of, 



within limited areas, 935. 



gauges, on the mountains of Cum- 

 berland and Westmoreland, results 

 determined by, 794, 817. 



Rainey (G.), some further observations 

 and experiments illustrative of the 

 cause of the ascent and continued mo- 

 tion of the sap, 502. 



, on the anatomy and physiology of 



the vascular fringes in joints and the 

 sheaths of tendons, 621. 



, on the structure and use of the 



ligamentum rotundura uteri, with some 

 observations upon the change which 

 takes place in the structure of the 

 uterus during utero-gestation, 936. 



Ranges of the barometer and sympieso- 

 meter, on board H.M.S. Alfred, in the 

 river Plate, in 1843, 509. 



Rays, polarized, rotation of, 567 ; of the 

 spectrum, action of, 569. 



, different effects of, on leaves of 



plants, 686. 



Rees (G. 0.) on a function of the red 

 corpuscles of the blood, and on the 

 process of arterialization, 677. 



Reeve (L.) on the geographical distribu- 

 tion of the bulimi, a group of terrestrial 

 moUusca ; and on the modification of 

 their calcifying functions according to 

 the local physical conditions in which 

 the species occur, 947. 



Regnault (V.), Rumford medal awarded 

 to, 773. 



Regnosam-us Northamptoni, 759. 

 Reptiles, structure and development of 



liver in, 694. 

 Respiration, mechanism of, 601. 

 , function of the intercostal muscles 



in, 691 ; influenced by galvanic ciu*- 



rents in the circulation, 735. 

 Retina, development of, 912 ; analogous 



to the cineritious matter of the brain, 



914; and to the auditory membrane, 

 915. 



Ribs, action of, in breathing, 602, 



Ribton (H. P.) on Sir Isaac Newion's 

 method of finding the limits of the 

 roots of equations, 630. 



Rigg (R.), experimental evidence in sup- 

 port of the secretion of carbon by 

 animals, 509. 



, on the formation or secretion of 



alkahne and earthy bodies by animals, 

 560. 



, experiments relative to animal tem- 

 perature, &c., 628. 



Roberton (J. D.), notice of, 475, 484. 



Robinson (G.), account of some experi- 

 ments exhibiting new instances of the 

 absorbing power of streams ; with a 

 few remarks on the pulsation of jets, 

 510. 



-, on some pecuUarities of foetal diges- 

 tion, 626. 



Roccella tinctoria, colouring matters ob- 

 tained from, 735 ; roccella ^Montagnei, 

 736. 



Roccelhnin, how obtained, 736. 



Rodentia, structure of the dental tissues 

 of; pecuharities confined mostly to the 

 enamel ; closure of the dentinal tubes, 

 similar in the osseous tissue of deer- 

 antlers, 951 ; colour in the terminal 

 ends of enamel fibres ; lamelhform ar- 

 rangement of enamel fibres, distinct 

 in various groups, 952. 



Roget (Dr.), his address, 703. 



Ronalds (E.), remarks on the extractive 

 material of urine, and on the excretion 

 of sulphur and phosphorus by the kid- 

 neys in an unoxidized state, 626. 



Ronalds (F.) on photographic self-regi- 

 stering meteorological and magnetical 

 instruments, 662. 



Rosse (Earl of), observations on some of 

 the nebulae, 513. 



, letter to the American minister, 



conveying the vote of thanks concern- 

 ing the search for Sir J. Franklin, 828. 



, observations on the nebuls, 962. 



Rotation of a rigid body round a fixed 

 point, 797. 

 j Roval medals, awarded to J. D. Forbes, 

 I 478; C. meatstone, 480; G. Boole, 

 ! 522 ; T. Andrews, 523; G. B. Airv, 575 ; 

 T. S. Beck, 575 ; M. Faradav, 635 ; R. 

 Owen, 636 ; H. B. Jones, 702 ; W. R. 

 Grove, 702; T. Galloway, 772; C. J. 

 Hargreave, 773 ; Lieut.-Col. Sabine, 

 871 ; G. A. Mantell, 872 ; B. C. Brodie, 

 1011; T. Graham, 1011. 



Royle (J. F.) on the Hyssop of Scripture, 

 510. 



