528 



Index to Vol. IV. 



Page 

 Crabs, Land, their habits . . 202, 209 

 Crania, Monograph of, analysed 265 



Crania personata 265 



ringens 265 



rostrata 265 



Crepidula incurvata 370 



Cricetus laniger 317 



Crossbill, Mr. Yarrell on the struc- 

 ture of the Beak and its Mus- 

 cles in the 459, 506 



Crustacea, Mr, Broderip on the 



habits of some 200 



Notice of M. Risso's Ob- 

 servations on some new 257 



Decapodous, subject to 



metamorphosis 248 



Cryptonyx, Mr. Vigors on the 



genus 345 



Abstract of his Re- 

 marks on 506 



Cryptonyx Cambaiensis 350 



cristatus 348 



ferrugineus .... 349 



niger 349 



ocellatus 349 



Cybister, synonymous with Tro- 



gus 495 



Cyclostoma elegans. Rev. Mr. 

 Berkeley's Description of its 



anatomical structure 278 



.Cygnus atratus. Notes of a dis- 

 section of 32] 



ferus, ditto 320 



olor, ditto 320 



Cynipidse, history of their nomen- 

 clature 9 



Cynocephalus niger 496 



Cypraea, Additions and Correc- 

 tions to a Monograph on, by 



Mr. J.E.Gray 66 



Mr. Sowerby's Notes on 

 Mr. Gray's Additions and. Cor- 

 rections to a Monograph on . . 217 

 Mr.Broderip's Description 



of a new species of 163 



Camelopardalis 220 



Dama 220 



Deshayesii 221 



guttata 221 



Jeiiningsii 221 



Leucodon 1 63 



melanostoma 221 



nivosa 220 



Princeps 217 



pulchella 221 



Page 



Cypraea staphyltea 221 



stolida 221 



Tigris, its habits „.. 163 



umbilicata 221 



Valentia 217 



Vitellus 220 



[For references to the whole of the 

 species described by Mr. Gray, consult 

 the Index, page 213 et seqq.] 



Cyrtna Mexicana • • . • • 364 



Cytherea rosea 364 



Cuckoo, Facts relating to its Na- 

 tural History communicated by 



Mr. Blackwall 294 



Cvrsorius Grallator 492 



Curtis' British Entomology, Ana- 

 lytical Notice of 494 



Cuvier, F., and G. St Hilaire, 

 Analysis of their Natural His- 

 tory of Mammalia 262 



Dasyprocta Acuti, Notes of a dis- 

 section of 318 



Davy, Sir Humphry, Abstract of 

 his Account of some Experi- 

 ments on the Torpedo 500 



Delphini, new species of 496 



Delphinus, subgenera of 497 



Belphinus 497 



Delphinus Phocaena, Notes of a 



dissection of •••• 318 



Dendrojnus, a new genus of Ro- 



dentia 438 



typus . • . . • 438 



Dentalium, Abstract of M. Des- 

 hayes' Anatomy and Monograph 



of 175 



Observations on by 



Mr. G. B. Sowerby 195 



Dentalium 1 79 



abhreviatum 182 



acuminatum 192 



acuticosta •••• 185 



annulare 199 



aprinum 181, 1 97 



arcuatum 180,196 



attenuatum ...»« 183 



bicarinatum 189 



Boxiei 184 



brevifissum 190 



, circinatum 191,197 



Clava 195 



coarctatum 193, 198 



coarctatum 194 



corneum .... 1 79, 1 94, 1 99 



