502 



Indcir to Vol. I' 



I'AUJi 



Deglutition, Notice of Mr. Mor- 

 gan's Paper on the Organs of, 

 in several animals of the Order 



Rodentia 267 



Delphinus albigena 123 



bivittatus 123 



cruciger 123 



leucophelus 124 



leuc'orhamphus .... 123 



lunatus 123 



Malayanus 124 



niaculatus 124 



minimus 124 



Peronii 123 



superciliosus 123 



Dendrobius Degus 495 



Dendrophagus, a genus of Cole- 



opterous Insects 224 



creuatus.. .. 224, 236 

 Den'.alium subulatum, Mr. Ber- 

 keley's Observations upon. . . . 424 

 forms a new genus 



among the Annelida 425 



Dentalium filosum 48 



Dermaptera, Application of the 



name 327 



Deroploa, a new genus of Hete- 



ropterous Insects 445 



parva 445 



Diabasis heterodon 90 



obliquatus 90 



Diaphorus Havocinctus 352 



Didelphis Azara; 470 



Brunii 121, 238 



crassicaudata 470 



lanigera 470 



Dicotyles labialus 472 



torquatus 472 



Dipterous Genera, Mr. Halliday's 



characters of two new 350 



Dipus Sagitta, Notes of its Ana- 

 tomy - 16 



Ditrupa, a new genus of Anne- 

 lida 426 



suhulata 427 



Dolichopeza sylvicola 451 



Dolichopidfe, Mr. Halliday's ludi- 

 cationsof some generic subdi- 

 visions, and several uudescribed 



species of 350 



Dolichopus Acteenis 364 



acuticornis 363 



arosus 366 



atratits 3G0 



brevipennis ; 359 



campentris 360 



celer 366 



clavipes 365 



cupreus 366 



Dolichopus'cyaneK* 360 



Biadema 361 



equestris 359 



fastuosus , 360 



festivus 361 



fuscipes 360, 365 



mquinatus 364 



niyripeniiis 366 



nitidus 361 



obscurellus 359 



pennatus 362 



pennitarsis 362 



planitarsis 360 



plumipes 365 



popularis 362 



Sarus 366 



thalassinus 363 



trivialis 363 



ungulatus 359 



urbanus 362 



vitripennis 364 



DTjsdera, a genus of Spiders . . 400 



erythrina 4U0 



Latreillii? 402 



Templetoni 402 



Ear-wigs, Mr. Westwood on a 

 remarkable sexual peculiarity 



exhibited by the 454 



Echeneis, Dr. Bancroft on the 



sucking disk of 413 



On the motions of, in 



swimming 415 



Echeneis lunata 411 



Naucrates 411 



Remora 413 



Echidna Hystrix, Manners of a 



living specimen of 118 



Echimys longicaudatus 471 



spinosus 471 



Edessa brevicornis 446 



Elminius Kingii S34 



Leachii 334 



Emberiza calcarata 104 



Entomological Notices, Dr. Hei- 



neken's 191 



Equus Asinus 472 



Caballus 472 



Eriomys Chinchilla 493 



Erycina Solenoides 335 



Esox Brasiliensis 84, 89 



Euglenes, a new genus of Coleop- 

 terous Insects 59 



oculatus 60 



pygmseus 60 



Euplekoptera, proposed as a sub- 

 stitute for the name Dermap- 

 tera 327 



Eurvstomus coUaris 273 



