INDEX. 



521 



Oken, \'iew8 on cephalic limbs held by 

 Ciirus, 198 



Olfactory chambers in hea<l of birda, 

 153 ; sense, its seat, 1(J8 



Operculum of the sliell, its importance 

 in regulating the form, '210, 211 



Opuntia, lurn-nt ]>a.s.sinK from stamen 

 to jiistil at time of llowi'Hiif;, 315 



Organic electricity, present state of, 

 30tj-350 



Organised ami inorganised liodies, dif- 

 ference in the mode of studying, 207 



Organs that have once acted an im- 

 j)ortant part never altogether dis- 

 ai)pear so long as they do not inter- 

 fere with other functions, 39 



Osseous texture, 461 



Ossific juice repairing injury in ele- 

 jiliant's tusk, Blumenbach's opinion, 

 5.S 



Ossihcation round balls in tusks of 

 elephant, 60 



Owen (Professor) on the relations of the 

 endo and exo-skeleton, 70 ; structure 

 of liead of dodo, dinomis, apteryx, etc., 

 152154 ; views on lindw, remarks of 

 Gootlsir on, 198 ; description of a 

 microscopic entozoon infesting the 

 muscles of the human body, referred 

 to, 494 ; on the anatomy of I)iMuma 

 clavatum, 499 

 Owl, bones of the head, 152 



PACrNion electrical diaphragms, 290,291, 

 292, 302, 303 



Payunis, generative organs of, 431, 432 



Palatal arch and pterygoids in the bird, 

 158, 160 ; in reptiles and amphibians, 

 160 



Palate-bone of bird, lacertian, and am- 

 phibian, 136 



Parelectronomic layer of Du Bois Rey- 

 mond, 327 



Patella, movements and relations of, as 

 oKservetl by Goodsir, 223-227 



Patella vulyadt, liver of, 415 



Peach anil Bi>ricot, electrical current in, 

 315 



Pecten optrcularis, bile-like fluid in 

 pouches, 414 



Pectoraliiia hebraica^ n composite ani- 

 mal, 360 



Pejitome, pcptatomc, terms of Ooodsir's, 

 86 



Periosteum as an element in fomiatjon 

 and economy of bone, 463, 4»>fi. 47" 



Permanent teeth of indeiK-iidi i 



* 51 ; dcvelopetl froni iuiur - 

 cavities of reser\e, 53 



Peyer's glands, Boehm and Kniujie on, 

 413 ; jiatches, ulceration of, in con- 

 tinued fever, 372-378 

 PhaJliutia vulgaris, hepatic organ of, 



415 

 Photiisthetic bodies of retina, 275, 278 ; 



surface, 278 

 Photogenic rays, 277 

 Pig, follicular stage of dentition in, 53 ; 



gastric glamls in, Wasmann on, 413 

 Pireiia prunum, hepatic organ of, 414 

 PituiUry Inxly, Rathke on, 82 

 Placenta (human), Ooodsir's memoir on 



the structure of, 445-460 

 Plant, soil, and atmosphere, electrical 



reactions of, 309 

 Polarisation of nerve, to what is it due ? 



336 

 " Positive" movement in joints, 249 

 Post-stomal cephalic sclerotomes, 175- 



197 

 Potato, electrical cwrrents in tubers, 313 

 Pouillet's experiments on electrical deve- 

 lopment in young plants, 308 ; in old 

 plants, 309 

 Prawn, seminal fluid, 434 

 Pre-sphenoidal sclerotome, 148-158 ; in 

 binls, 149-154 ; in chelonians, 154 ; 

 in croccMliles, 154 ; in lizards, 155 ; 

 in ojihidians and batrachia, 155 ; in 

 fish, 156 ; ha'mal arch in fishes, 163 

 Primary or fibrous sclerome, 93 ; se- 

 creting cell, 417 

 Primitive dental groove, 27-30 

 I^rincipal frontal of birds, what, 149 

 Proboscidian mammals, simplification of 



sclerotome in. 111 

 Proboscis of eleiihant and tapir more 

 than a mere elongation of external 

 nose. 111 

 Progressive development, phases through 



wiiich the tooth-pulp passes, 30 

 Proximal margin in movemeuta of joints, 



248 

 Pterygoid in fuihes, 164 

 Pulmonic blood, electric relations of, 



322 

 Puli>s and sacs of human teeth, their 



origin and development, 1-52 

 Purkinjeoi; • function of part of 



the glaui i 12 



Quadra TE-JCaAL bono of bird, Owen's 

 analysis, 189 



Rabbit, follicular stage of dentition in, 



53 

 A'.urt, tail of, pectiliar structure on the 



»ide« of. 295 



li M 



