446 



INDEX. 



tion of appearance and structure of 

 the, 3G9. 



Halybothys, description of the new 

 genus, 148. 



Hancock, A., on the excavating 

 sponges, with descriptions of new 

 species, 229. 



Haughton, Rev. S., on some points 

 in the muscular anatomy of the 

 Marsupials, 127. 



Hectarthrum, new species of, 339. 



Helicina, new species of, 260. 



Helix pomatia, on the organs of cir- 

 culation of the, 1 . 



Hemipodion, new species of, 228. 



Heros, new species of, 441. 



Hesse, M., on some new and rare 

 Crustacea of the French coasts, 67. 



Hipparchioides, description of the 

 new genus, 125 j new species of, 

 167. 



Hogg, J., on the ballast-flora of the 

 coasts of Durham and Northum- 

 berland, 38. 



Holopeira, observations on the genus, 

 27. 



Hoplideres, new species of, 412. 



Huxley, Prof. T. H., on Telerpeton 

 elginense, 226. 



Hyalonema, on the structure of, 153, 

 419. 



Hydridae, on the contractile substance 

 and intimate structure of the, 54. 



Hydrozoa, new, 148. . 



Hyperbaena, observations on the ge- 

 nus, 92. 



Ichthyosaurus, on the' occurrence of, 

 in Australia, 355. 



Infusoria flagellata, on the affinities 

 of the, with the ciliate Sponges, 

 13. 



Insects, on fossil, 31 j on the mus- 

 cular force of, 95 ; on the law of 

 sexual development in, 224. 



Ipothalia, characters of the new ge- 

 nus, 314. 



James-Clark, H., on the animality of 

 the ciliate Sponges and their affi- 

 nities with the Infusoria flagellata, 

 13. 



Jefireys, J. Gwyn, on deep-sea life in 

 the ocean, 63 ; on a new species of 

 Rissoa, 435. 



Jourdain, S., on the structure of the 

 heart in Gadus, 225 ; on the ana- 

 tomy of the Sipunculi, 442. 



Karsten, Prof. H., on the fecundation 

 of the Fungi, 73 ; on the peculiari- 

 ties of some stylospores of Sphaeriae, 

 356. 



Kner, Prof., on Xenacanthus Deche- 

 nii, 152. 



Kovalevsky, A., on the development 

 of Amphioxus lanceolatus, 69. 



Krabbe, M. H., on the Entozoa of 

 man and the domestic animals in 

 Iceland, 180. 



Laelaps aquilunguis, description of, 

 71. 



Landois, H., on the eyes of caterpil- 

 lars, 61 ; on the law of sexual de- 

 velopment in insects, 224. 



Lasiommata, observations on the ge- 

 nus, 161. 



Lecidea, new British species of, 330, 

 403, 407. 



Lecoq, H., on the spontaneous move- 

 ments of Colocasia esculenta, 439. 



Legnephora, on the genus, 88. 



Leighton, Rev. W. A., Notulae Li- 

 chenologicae, by the, 99, 197, 330, 

 402. 



Lepidoptera, new genera of, 49. 



Lias, on the correlation of the lower, 

 at Barrow-on-Soar with the same 

 strata in Warwickshire &c. ; and 

 on the occurrence of the remains 

 of insects at Barrow, 31. 



Lichens, new British, 330 ; of Cader 

 Idris, notes on the, with descrip- 

 tions of new species, 402. 



Liophis, new species of, 228. 



Lophiomvs Imhausii, description of, 

 372, 436. 



Lordites, new species of, 175. 



Lowe, Rev. R. T., on a new Madeiran 

 Pupa, 81. 



Lubbock, Sir J., on Pauropus, 8. 



Lycosa, new species of, 387. 



M'Coy, Prof. F., on two new species 

 of birds found in Victoria, 184 j 

 on the occurrence of Ichthyosaurus 

 and Plesiosaurus in Australia, 355. 



M'lntosh, Dr. W. C, on Pelonaia 

 corrugata, 414. 



Malurus, new species of, 369. 



Mantis, on the hatching of the, in 

 England, 144. 



Mares, II., on the flowering and 

 fructification of the vine, 220. 



Marsupials, on the muscular anatomy 

 of the, 127. 



