INDEX. 



523 



Sgualus cormMcus, testicle of, 416, 419- 



422 

 Stages into which dentition is divided, 



43 

 Stark (Dr.) on organs in the tail of the 



rays, 296, 297 

 Stomach : fluid ejected from the stomach 



of a patient which contained vegetable 



organisms, 351, 371 

 Strix flammea, optic foramina in, 152 

 Sun, his relations to the earth and other 



planetary bodies, 206 

 Supra-oesophagal ganglion, pre-stomal 



character of, 86 

 Supra-renal bodies, 66-77 

 Syme (Professor) on the power of the 



periosteum to form new bone, quoted, 



465 

 Symmyotome, synhsematome, synneura- 



tome, terms of Goodsir's, 86 

 Synovial pads of the human knee-joint, 



their movements and relations, as 



observed by Goodsir, 227, 228 

 Synpeptatome, syssclerotome, syssoma- 



tome, terms of Goodsir's, 86 



TEETH (human), origin and development 

 of the pulps and sacs, 1-52 



Terms in morphology must be precise, 

 84 



Thigh-muscles action of certain, 222 ; 

 and leg rotate in opposite directions at 

 the close of extension and commence- 

 ment of flexion, 234 



Thomson (Dr. Allen) on primitive con- 

 dition of gastric and intestinal gland, 

 413 ; follicles of stomach and large 

 intestine originally closed vesicles, 

 426 



Thymus, how formed, 66-77 ; Sir Astley 

 Cooper on, 74 



Thyroid, a portion of the membrana 

 intermedia of Eeichert, 66 



Tooth-sacs (permanent), 35 



Tooth-substance, deposition of, in embryo 

 of sixteenth week, 18, 34 



Torpedo, batteries in, 289 ; will of the 

 fish, 302 



Transition-teeth, 55 



Triangulares (Crustacea), generative 

 organs in, 429-433 



Trichina spiralis, 493 ; Owen on its 

 cyst, 494 



Tropceolum tuberosum, electrical currents 

 in tubers of, 313 



Tufts of human placenta, 445-449 



Tulip, electric descending current at 

 time of flowering, 315 



Tumour : description of an erectile tu- 



mour, 504, 505 ; of the testis, de- 

 scription of a congenital one, 506, 

 507 



Turbinated shells, how their form is pro- 

 duced, 211 



Turbines, the logarithmic spiral curve 

 possessed by these shells ascertained 

 by Professor Moseley, 209 



Tusks of elephant, bullets and other 

 bodies inclosed in, 56-65 



Tusk-pulp of elephant, wounding of, 60 



Twin-elements, what Professor Goodsir 

 means by term, 247 



ULCERATION, nature of, 404-407 ; in ar- 

 ticular cartilages, 408-411 ; of Peyer's 

 patches in continued fever, 372-378 



Upper jaw dentition precedes that of 

 lower jaw, 45 



Uraster rubens, secreting organ in sto- 

 mach, 414 



Urine, where first formed, 379 



Uterus, mucous membranes of, 452 ; 

 dissection of vessels, 457 



VALENTIN, Handbuch, referred to, 11, 

 etc. ; on the structure of the laminae 

 in batteries of electric fishes, 290, 

 298 ; on the action of, 301 



Vascular border in gum, 38 



Vegetables, electrical phenomena in, 30 7- 

 318 ; organisms in fluid from stomach, 

 351-371 



Vertebra (typical), applicability and 

 convenience of Professor Owen's terms, 

 95 



Vertebrate type, on morphological rela- 

 tions of nervous system in, 78-87 



Vertebrata, eye in, how acted on, 280 



Vestibules of ear, sound heard merely as 

 noise, 287 



Villi (intestinal), structure and functions 

 of, 393-402 



Vision, organ of, there are three funda- 

 mental forms of, 273 



Vomer, its complete development in 

 mammalia, 117 



Vomerine sclerotome in mammals, 117 ; 

 in crocodiles, 118 ; in the lizards, 

 119 ; in birds, 119, 120 ; in chelonian 

 reptiles, 120, 121 ; in the osseous 

 fishes, 121, 122 



WAGNER (Eudolph) on structure of ele- 

 mentary filaments of nerves in bat- 

 teries of electrical fishes, 290 



Walrus, substance in pulp-cavities of 

 tusk, 62 



Walsh on the electricity of the torpedo, 



