4-99 



rirrt'm f index to ~ 



ACALEPHiE, observations on some, 



304. 

 Acarus, description of a new, 395. 

 Aclis, observations on the genus, 462. 

 Acteonina, new species of, 418. 

 Adams, A., on a .monograph of the 



recent species of Trigonia, 148 ; on 



the animal of Geomelania, 398. 

 Adelges Abietis, observations on, 18/. 

 Agassiz, L., on the natural relations 



between animals and the elements 



in which they live, 153. 

 Alga, new British, 266. -i.^ rT - 



Algae, on the hairs of marine, 465. 

 Alveolites, new species of, 377* 

 Animals, on the natural relations be- 

 -.i v^tween, and the elements in which 

 ''''they live, 153. 

 Anisodus, observations on, 35. 

 Annelida, on the visual organ of the, 



Anolis, new species of, 344. "^co^tr 



Anomiadae, on the species of, 212. 



Ansted*s, t>. T,, Elementary Course of 

 Geology, Mineralogy, and Physical 

 Geography, reviewed, 48. 



Aphides, descriptions of, 41, 118. 



Arachnida, on the circulatory appa- 

 ratus and organs of respiration in 

 the, 67 ; new species of, 187 ; on 

 some newly-discovered species and 

 ~ characters of a new genus of, 336. 



Arachuophyllum, new species of, 278. 



Area, new species of, 424. 



Asj)lanchna priodonta, description of, 



18. ...:.:.::.,: 



Astarte, new species of, 423. '° ^S, ^ 

 '- Baird, Dr. W., on the family Limna- 



diadae, 51 ; on the long- suspended 



vitality of a snail, 68. 

 Ball, J., on the genus Leontodoiir K 

 Barrande, M., on a new classification 



of Trilobites, 228. 

 Bate, C. S., on the male organs in the 



Crustacea, 109. 

 Belemnite, on the structure of the, 

 ^ 127. , ■ ■■:--^^A:^'l 



Belemnoteuthis, on the structure of 



I 





Benson, W. H., on new ip^aidV 



Helix, 25. 4- /o. a ;-/ " ,;~"~~~ 

 Berenicea, new species of, 286v.jroG)i« j 

 Berkeley, Rev. M. J., on Sphaero-' 

 nema deformans, 309. ' 



Birds, new species of, 60, 137, 140,1 g[ 

 223, 398. ' i 5j 



Blackwall, J., on some newly-disco- 

 vered species and characters of a 

 new genus of Araneidea, 336. 

 Blanchard, E., on the circulatory ap- 

 paratus and the organs of respira- 

 tion in the Arachnida, 67 ; on the 

 organization of the Malacobdellse, 



w. . -^ ^ 1 



Boa diviniloqua, on the habits of, 133. j 



Bonaparte, C. L,, on the Lorine g^-j ;_, 

 nus of parrots, with the description 

 of a new species, 223. 'i 



Books, new : — Ansted's Elementajpjr 

 Course of Geology, Mineralogy, and 

 Physical Geography, 48 ; Goodsir's 

 Arctic Voyage to Baffin's Bay and 

 Lancaster Sound in search of friends! 

 with Sir John Franklin, 50; Woods' 

 Tourist's Flora, 122; Patterson's 

 Zoology for Schools, 124; Jukes's 

 Sketch of the Physical Structure of 

 Australia, 210 ; Outlines of British 

 Geology, 21 1 ; Hooker and Walker- 

 Arnott's British Flora, 37 9; Sturm's 

 Deutschlands Flora, Reichenbach's 

 Icones, Buch, Schimper and Giim- 

 bel's Biyologia, Esenbeck's Genera 

 Plantarum,and Pritzel's Thesaurus, 

 ^85. \ i \ u 



Botanical Society of Edinburgh^ pio-j S 

 ceedings of the, 65, 142, 302. ' i g 



Brachyura, on the male organs of theJ § 

 109. , « 



Brightwell, T., on some Acalephse 

 found at Lowestoft, 304. 



Brodie, Rev. P. B., on the geology of 

 the neighbourhood of Grantham, 

 256. 



Brongniart, A., on the periods of ve- 

 getation and the different floras 

 which have successively occupied — 

 the surface of the earth, 73, I92,34^(p 

 33* 



O 4 



5 »» 



