536 



INDEX. 



Strickland, H. E., on the true method of 

 discovering the natural system in bo- 

 tany and zoology, 184 ; commentary 

 on Mr. G. R. Gray's ' Genera of Birds,' 

 410. 



Sweeting, R. H., on a female Rorqual 

 Whale which was stranded at Char- 

 mouth, 72, 301. 



Sylvia, on a species new to Britain, 155. 



Syngnathus, new species of, 310. 



Synonyms, multiplication of, 411. 



Tanysiptera, remarks on a supposed new 

 species of, 237. 



Taylor, W., notice on the Bokhara clover, 

 297. 



Terraces, natural, 346. 



Thoa Beanii, occurrence of, in Dublin 

 Bay, 167. 



Thompson, W., catalogue of the land and 

 freshwater Mollusca of Ireland, 16, 

 109, 194 ; on British Char, 439. 



Thyone, characters of the new genus, 97. 



Tijdschrift voor Natuurlijke Geschiedenis, 

 noticed, 219. 



Tissue, vegetable, cellular formation of, 

 from amorphous cambium, 330. 



Torpedo emarginata, description of, 407. 



Trachinus Vipera, on the stinging pro- 

 perty of, 161. 



Trachyderes, on a new species of, 479. 



Trees, growth of, Dr. Becks on, 335 ; Van 

 Hall on, 336 ; Agardh on, 336 ; fossil, 

 386. 



Tringa minuta, notice respecting, 236. 



Trionyx iEgyptiacus, 517. 



Trochilus, new species of, 151. 



Tuberacearum Monographia, noticed,146. 



Tubuliporaverrucaria, occurrence of, 171. 



Tweedside Society, 381. 



Typhlopone, observations on the genus, 8 1 . 



Unio, on the byssus of, 77. 



Vasa scalariformia, 333. 



Vaucheria, M. Unger on, 344. 



Vegetable Physiology, report on. 136, 269, 

 330. 



Vittadinis, C, Monographia Tuberacea- 

 rum, noticed, 146. 



Viverridae, on some genera of, 78. 



Wagner, R., on the generative system of 

 some of the lower animals, 70, 



Waterhouse, G. R., on some recently pro- 

 posed genera of Viverridae, 78 ; on a 

 new species of Rodent, 220 ; descrip- 

 tions of Carabideous insects, collected 

 by Mr. Darwin, 254 ; on a new species 

 of Squirrel, 304 ; on Carabideous in- 

 sects, 351. 



Weever-fish, lesser, stinging properties of 

 the, 161. 



Wernerian Natural History Society, 521. 



Westwood, J. O., on the genus Typhlo- 

 pone, with descriptions of several ex- 

 otic genera of ants, 81 ; on a new spe- 

 cies of Cerapterus, 297 ; on the genus 

 Derbe, 477 ; on trap-door Spiders, 479; 

 on the Death-watch, 480. 



Wheat, on the vegetation of, in different 

 soils, 136. 



Willshire, Dr. W. H., on the nature of 

 some of the lower organized beings, 

 148. 



Wood, S. V., catalogue of shells from the 

 Crag, 243 ; on the fossils of the Crag, 

 343. 



Wood, fossil, on the structure of, 312. 



Woody substances, chemical composition 

 of, 140. 



Wydler, M., on the formation of the em- 

 bryo in Scrophularia, 426. 



Zee, the first state of Pagurus, 92. 



Zoo-geological considerations on the 

 freshwater Mollusca, 241. 



Zoological notices, 89. 



Zoological Society, proceedings of, 68, 

 150, 219, 301, 507. 



Zoological travellers, information respect- 

 ing, 468. 



Zoophytes, Irish, catalogue of, 166. 



Zunck, Dr., on the natural system of 

 plants, 376. 



END OF THE SIXTH VOLUME. 



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