532 



Tndex to Vol. IF. 



Page 

 Mammalia. Mr. D. Douglas' Ob- 

 servations on two undescribed 

 species of, from North America 330 



Mangusta Le Vaillantii 437 



Urinatrix 437 



Manta of Spanish authors identi- 

 cal with the Sea-Devil of Ja- 

 maica 454 



Manta Americana, proposed as a 

 name for the Sea- Devil of Ja- 

 maica 454 



Margarita striata 371 



umbiiicalis 371 



Margarodes formicarum 493 



Mastodon, Analysis of Mr. Cliffs 

 account of two new species of 134 



Mastodon elephantoides 135 



latidens 1 34 



Melampus, a West Indian genus 172 



Membracis tricornis 114 



Mephitis Americana 263 



Mitra crassidens 372 



Mollusca, Observations on new or 

 interesting, by Mr. Broderip 



and Mr. G. B. Sowerby 359 



land and fresh- water, ro- 

 tatory motion of the embryo in 

 their eggs, 257 — fresh water in- 

 fested with intestinal worms, 



259 — preservation of 1 70 



Momotus platyrhynchus 492 



Morgan, J. O. Esq., Analysis of 

 his description of the Mammary 



Organs of the Kangaroo 487 



Mosasaurus 255 



Murex Ducalis 377 



Mus Barbarus, Mr. Bennett on the 

 472 — Linngeus's description of, 

 472 — Incorrectness of Gmelin's 

 quotation of the same, 472. — 

 Confusion thereby produced, 

 473. — Doubts of M. Desmarest 

 as to its position and existence, 

 473. — Description of, 474. — 

 Rightly referred to the genus 

 Mus, 474.— Description of its 



teeth and cranium 474 



Cahirinus 388 



dimidiatus 388 



laniger 317 



Mustela, Dr. Horsfield's Notice of 

 a new species of, found in In- 

 dia 238 



Mustela Hardwickii 239 



Lutreola 253 



Vison 253 



Myiothera Yarrellii 491 



Myoxus erythrobronchus 438 



Mysis 249 



Page 



Nasalis ijasicus 110 



recurvus 110 



Nassa luteostoma 376 



Natica clnusa 372 



Otis ' 372 



pallida 372 



Natural History, its proper object 475 



Nectarinia metallica 392 



Neritina alata 371 



Nigua 272 



Nitzschia elegans 259 



Noctuidae, stirpes of, and typical 



forms of their larvae 120 



Nomenclature, entomological, ob- 

 servations on 3 



Nucula arctica 359 



Numenius rujiventris 356 



Nycteris affinis 434 



Capensis 434 



Ocksay, Baron, Notice of his 



paper on some species of Gryllus 257 

 Ogilby, W. Esq., Description of 

 a new species of Paradox ure, 

 now exhibiting in this country 300 



Oidemia Patachonica 100 



Oliva gracilis 379 



Oranges, Notice of an Insect very 

 destructive to 475 — Causes of 

 their unsoundness 477 — means 

 of prevention 480 — Appear- 

 ances of decay in 481 



Ornithocephalus brevirostris. . . . 255 

 longirostris .... 255 

 Ornithology, Mr. Vigors' Sketches 



in 345 



Ortyx Douglasii 354, 490 



picta 490 



OspKronemus Goraniy 313 — its 



habits 309 



Otis Nuba 392 



Otto, Dr. A. G. Analysis of his 

 Essay on the cerebral vessels and 

 internal ear of hibernating ani- 

 mals 250 



Ovis Californianus 332 



Ovulum, Mr. G. B. Sowerby on 



the recent species of 145 



Ovulum aciculare 161 



Adriaticum 150 



angulosum 153 



birostre 159 



breve 152 



carneum 151 



^formicarium 157 



Frumentum 155 



gibbosum 156 



intermedium 158 



Incteum 152 



