512°° Index to 
PAGE 
Spondylis ...........- abies Bae 
Spondylis Buprestoides ...... 233 
Squalus cirratus .....-....87, 416 
punctatus .........- AES 
TI FRNA ccc o.s,siepierOrhpee 
Stokes, C., Esq., Observations 
upon Volvox globator .....- 51 
Strongyloderus, a new genus of 
Orthopterous Insects ........ 443 
serraticollis .... 444 
Stutcusury, Mr. 8., on two 
new genera of Testaceous Mole 
lusca and five new species of 
the Genus Anatina, lately dis- 
covered at Port Jackson, New 
South Wales ......... 95 
Stygia, n.sp.?2 ..-...eeeeeees 422 
Stylops, Mr. Curtis’ characters of 111 
Dalat. cise ne ciats'sveieis’= 112 
Succinea fragilis...ssereeresss 343 
patula ....+- eis (etnies pee 343 
Sus Papuensis....++++++++++5° 122 
Serofa | ihc. decicia ieee e == AT 2 
Swallows, Chimney, Nidification 
Oley ape ie les <laic ier dua ieeTabe ie wjnietnis of 
House, Nidification of 
Swan, Notice of Mr. Yarrell’s 
Account of the trachea and 
sternum of a new Species of 
Swan, killed in England.... 132 
Swan, Mr. Blackwall on a newly 
described species of ......-- 189 
Swan, Analysis of Mr. Yarrell’s 
Paper ona new speciesof Wild, 
takenin England .. .. 207 
Sylviaatricapilla, Dr, Heineken’s 
Observations ona male variety 
of, inhabiting Madeira 
Sylvia Tithys, a British spe- 
CLES. om\eci= sieteratatel Bites samakOo, los 
Syntomium, anew genus of Sta- 
phytinide 
110 
ed 
Techobates, a new generic sub- 
division of Dolichopidous In- 
SECtA. tuples s wotelew oein sme is 358 
Tantalus, Notice of Mr. Brookes’ 
Paper on the remarkable for- 
mation of the trachea in the 
Egyptian ....+seseeeeeerees 264 
Tapir Americanus .....--- wotoom LOS 
Tellinvides rosaced ...+++++++ san B00 
Temnoscheila, a new genus of 
Coleopterous Insects .......- 231 
HCA. is. Neerc 231, 328 
coerulea .... 231, 328 
virescens ......-- 231 
Tempteton, R., Esq., on the 
Fol, F. 
PAGE 
Spiders of the genus Dysdera, 
Latr., with the description 
of a new allied genus........ 400 
Terebratula flexuosa ....... ES / 
Sowerbii ......... - 338 
Testudo antiqua, Notice of Dr. 
Brown’s paper on ......++.. 490 
PWT EE Got aaa soe dda yo ec 106 
Tuomeson, Mr. J. V., Note on 
the Metamorphosis of the 
Decapodous Crustacea ...... 383 
Thorax, Mr. Macleay’s Explana- 
tion of the Comparative Ana- 
tomy of the,in winged Insects 145 
of Hymenopterous and 
Dipterous Insects .......... 326 
Tilesius, Notice of his paper on 
the Meduse ....... shale Miptelaty - 479 
Tipula breviventris secccess 400 
LONE IPERS” eres atye rel see 400 
PECHllatab ome etoasinia aa iaeae 459 
Toads, Dr. Buckland on the 
vitality of, enclosed in stone 
ANG! WOO asta e alaicre'simnlnia anton 314 
Toruatella nitidula .......... -. 294 
Trictenotoma Childreni ...... 329 
Trigonia, referred to the Cardi- 
CO iis ain winjoistele Oetige hho Lh 
Tripetalocera, a new genus of 
Orthopterous Insects ,....... 444 
Jferruginea ..++.. 444 
Triton Nuvachicus....... seecs et 400 
Ranelliformis ......... 347 
SCADEL wcteferleys. oa ahem ee Gao 
Trochoideus, a new genus of 
Pausside Jordin ZOO) 20M 
cruciatus ........ 267 
Trochus Australis ......+.+e.. 331 
TOL OSiLAS velo stews wciclasn shel ale is 328 
a genus of Coleopterous 
ITISCCtS-< 5 avs Oeics sain mrataante 230 
PLEA ge wnele w'e'eis alelste 230 
Caraboides .:c0.. sis. « 230 
MenTaleaie mine siete sian 231 
Mauritanica ........ 231 
VITCSCEDS ee «. 2. oo sean, Con 
Trogulus Templetonii.....--+++ 453 
Tropidurus torquatus .....-.. 377 
Truncatella, Mr. Lowe on the 
PENUBY scjesepeielere siseviesings -.. 280 
Truncatella Clathrus ....... «+» 303 
Montagui....++++++ 303 
truncatula 287, 299, 302 
Tubularia solitaria, its structure 
and alirt Sees c tsuie ase aloes Mere 381 
Turbo lamellosus ......+..++.00: 331 
lugubris .....--+.+0+eee- 345 
torquatus, fossil .......- 332 
