INDEX. 



527 



Paludomus, new species of, 494. 

 Pcftinibranchiata, on the structure of 



tlie orgaus of breathing in llie, 28. 

 Pclagia uoctiluca, ou the (levelopmeut 



of, 285. 

 Pipreola, new species of, 4C9. 

 Pithys, new species of, ()5. 

 Plants, eell-develo])ment in, 41/ ; on 



impregnation in, 4^8 ; on tlie in- 

 fluence of the soil ou the distribu- 

 tion of, 520. 

 Pleurodietyum problematicuru, obser- 

 vations ou, 131. 

 Polioptila, new species of, 6S. 

 Pollen-tube, observations on the, 2S3. 

 Prentice, C, on the occurrence of 



ClausiUa Mortilleti, 446. 

 Productus, new species of, 2(!1. 

 Pterocyclos, new species of, 22/. 

 Pulmonifera, on the structure of the 



organs of breathing in the, 142. 

 Pupina, new species of, 230. 

 Ramphoca;nus, new species of, 436. 

 Reissig, Dr., on the mode in which 



the Tachinae escape from their 



pupa-cases, 365. 

 Respiration, on the mechanism of 



aquatic, in invertebrate animals, 28, 



142, 247. 

 Rissoa, new species of, 182. 

 Royal Society, proceedings of the, 



420. 

 Ruticilla, new species of, 511. 

 Saint-IIilaire, G., on a supposed new 



species of Equus, 446. 

 Salmonidse, on the vitality of the ova 



in the, 420. 

 Saltator, new species of, 516. 

 Santalum album, on the development 



of the ovule of, 438. 

 Scaphander, new species of, 188. 

 Scaphula, new species of, 128. 

 Schismope, description of the genus, 



321. 

 Schistochlamys, new species of, 430. 

 Schmidt, A., on a new species of 



Clausilia, 10. 

 Schultze, M., on the development of 



the Lampreys, 443. 

 Scissurella, on the genus, 319, 401, 



470 ; new species of, 181. 

 Scissurella erispata, on the animal of, 



206, 269. 

 Sclater, P. L., on new species of 



Dacnis, and on the general arrange- 

 ment of the genus, 62; on new 



species of birds, 63, 436, 466 ; on 



the genus Culicivora, 68 ; on the 



arrangement of the (Jalbulidac, 70 ; 



on a new species of Swift, 2S6 ; on 



some new species of Thamnophilus, 



360; on some Texan birds, 426; 



on a new species of the genus Todi- 



rostrum, 428 ; on new species of 



Tanagers, 515. 

 Scolanthus, new British species of, 



517. 

 Seemann's, Dr. B., History of Palms 



and their Allies, reviewed, 194. 

 Shells, on the minute structure of 



certain Brachiopod, 502. 

 Shrews, on the Indian species of, 11. 

 Sorex, new species of, 18. 

 Soriculus, new species of, 24. 

 Sphagnum, new British species of, 



465. 

 Sponges, on the development of the 



freshwater, 403. 

 Squilla Desmarestii, occurrence of, 



206. 

 Stainton's, II. T., History of the 



Tineina, reviewed, 272. 

 Stenothyra, new species of, 496. 

 Strophalosia, new species of, 263. 

 Stur, M., on the influence of the soil 



on the distribution of plants, 520. 

 Synallaxis, new^ species of, 436, 466. 

 Tachinae, on the mode in which the, 



escape from theii- pupa-cases, 365. 

 Tachyphonus, new species of, 515. 

 Tanagra, new species of, 515. 

 Tan v stoma, on the new genus, 129, 



342. 

 Testacea, marine, of the Piedmontese 



coast, on the, 155, 271. 

 Thamnophilus, new species of, 360, 



430. 

 Thompson, W., on the occurrence of 



Squilla Desmarestii and Gebia del- 



tura, 206. 

 Todirostnim, new species of, 428. 

 Tomes, R. F., on the Indian species 



of Shrews, 1 1 . 

 Toreumatica, new species of, 283. 

 Trochus, new species of, 182. 

 Tulasne, M., researches in vegetable 



embiTOgeny, 343. 

 Turritella, new species of, 184. 

 Uragalba, new species of, 71. 

 Valenciennes, M., on the perforation 



of granite by Echini, 76. 

 Vanellus, new species of, 78. 



