488 



INDEX. 



Roebuck, W. D., on the specific 



rank of Limax cinereo-niger, 225. 

 Rotliscliild, Hon. W., on Apteryx 



Hnastii, 43, 299 ; on Mesoplodou 



bidens, 439. 

 Ryder, J. A., on tlie mechanical 



genesis of the scales of fishes, 243. 

 Sauranodontes, on the position of the 



new family, 209. 

 Scaphidiidte, on some Japanese, 288. 

 Scaphidiiini, new species of, 291. 

 Scaphium, new spe>-!ies of, 290. 

 Schiedt, Prof. R. C, observations on 



Oysters, 261, 232. 

 Sciurus, new Mexican subspecies of, 



49 ; on the development of the 



tooth-rudiments in, 316. 

 Scott, A. and T., on some new or 



rare Scottish Entoniostraca, 210. 

 Scutigera, new species of, 124. 

 Sherborn, C. D., on the dates of 



Moore's ' Lepidopteraludica,'260. 

 Smiuthus, new species of, 184. 

 Smith, E. A., on the genera (leo- 



thauma and Gyrostropha, 284 ; 



on land-shells from the Philip- 

 pines, 347. 

 Smith, H. G., on new Butterflies, 



216. 

 Southwell, T., on a specimen of 



Sowerby's Whale, 275. 

 Spider, on a new Tree Trap-door, 



407 ; nest of, 409. 

 Spiders, on the circulation of the 



blood in young, 65. 

 Spirobolus, new species of, 138, 



250. 

 Spirostreptus, new species of, 135, 



250. 

 Sporozoon parasitic in the muscles 



of the Crayfish, on a, 195. 

 Stenonia, new species of, 131. 

 Synoditus, new species of, 423. 

 Tardigrada, on the origin and affi- 

 nities of the, 197. 

 Teichonidse, on the history of the 



so-called family, 50. 

 Teretriosoma, new species of, 427. 

 Teretrius, new species of, 428. 

 Tessaratoma, new species of, 431. 

 Tessaratomiuae, on new and little- 

 known, 430. 

 Th(5lohan, P., on a Sporozoon 



parasitic in the muscles of the 



Crayfish, 195. 



Thestus, new species of, 381. 



Thiele, Dr. J., on the branchial 



sense-organs of the Patellidoe, 41.">. 



Thomas, 0., on a new Baboon, 46; 



on a new Ceplialolophus, 48 ; on 



the Mexican representative of 



Sciurus Aberti, 49 ; on a new 



species of Sminthus, 184 ; on 



the genus Chiroderoia, 180 ; on 



new " Pocket-Mice," 329 ; on 



new B,)rnean Mammalia, 341 ; on 



some Mexican Oryzomys, 402 ; 



on a new spscies of Perognathus, 



405. 



Trachere, on the origin of the, from 



setiparous glands, 24. 

 Trichoreniaus, new species of, 



422. 

 Trigona, on the habits of a species 



of, 327. 

 Trochonauina, new species of, 349. 

 Try])eticus, new species of, 426. 

 Tupaia ferruginea, new subspecies 



of, 343. 

 Turtles, on Crustacea commensal 



with Mediterranean, 414. 

 Vertebrates, on the formation of tha 



germinal layers in, 360. 

 Viallanes, M. H., on the organization 

 of the brain in the principal groups 

 of Arthropods, 02. 

 Wagner, J., on the embrvologv of 



the Mites, 220. 

 Waterhouse, C. 0., on the mouth- 

 organs of Diptera, 45. 

 Whale, notes on a specimen of 



Sowerby's, 275, 4.39. 

 Willem, v., on absorption in the 

 ActinifB and the origin of the 

 mesenterial filaments, 264. 

 Wood-Mason, Prof. J., on the re- 

 sults of Indian deep-sea dredging 

 during the season 1890-91, 161. 

 Woodward, A. S., on a case of sub- 

 division of the median tin in a 

 Dipnoan fish, 241 ; on the skull of 

 Pisodus Oweni, 357. 

 Woodward, B. B., on the classifica- 

 tion of the Pelecypoda, 156, 335. 

 Zoroaster, new species of, 102. 



I'.ND OF THE ELEVENTH VOLUME. 



I>RINTK D BY TAYLOR AND FRANCIS, 

 liKI) LfON COUliT, FLEKT STREET. 



