506 



INDEX. 



ginsli, 6 1 ; on the bonnet of the 

 Right Whale, 65 ; on the species of 

 Manatees, 130 ; on Ptyehochoerus 

 plicifrons, 154; on Sternothferus 

 Adansonii, 159 ; on a new variety 

 of Rhodona punctata, 240 ; on 

 Urocyclus, 331; on the Clawed 

 Toads of Africa, 334 ; on the genera 

 and species of Chamaeleonidae, 340 ; 

 on a new Whale from the coast of 

 Devonshire, 492, 



Gulliver, Prof. G., on raphides and 

 other crystals in plants, 38, 211, 

 380, 456. 



Giinther, Dr. A., on Salmo cambri- 

 cus, 'Jb ) on new species of Snakes, 

 89; on a new Characinoid genus 

 of Fish from West Africa, 209 ; on 

 a new genus of pediculate Fish, 

 332; on some new Fishes from 

 West Africa, 452. 



Haeckel, Dr. E., on a new form of 

 alternation of generations in the 

 Medusae, and on the relationship 

 of the Geryonidse and ^ginidae, 

 437, 468. 



Haughton, Rev. S., on the muscular 

 mechanism of the Ostrich's leg, 262. 



Helix, new species of, 11, 175. 



Hemirhamphus, new species of, 500. 



Hippolyte, new species of, 491. 



Hipponyx, new species of, 180. 



Honey-Bees, on the species and va- 

 rieties of the, 372. 



Hoplocephalus, new species of, 6T . 



Human races of Belgium, on ancient, 

 235. 



Hydroida, notes on the, 465. 



Hydrozoa, on an undescribed genus 

 of British, 261. 



Insects, on the flight of, 155 ; new, 

 33, 139,213,382. 



lone, new species of, 492. 



Jerdon, T. C, on the reptiles of 

 British India, 416. 



Jcera, new species of, 491. 



Jones, Prof. T. R., on the nomencla- 

 ture of the Foraminifera, 225 ; on 

 the palaeozoic bivalved Entomo- 

 straca, 404. 



Jourdain, S., on the eyes of Astera- 

 canthion rubens, 238. 



Karsten, Prof. H., on Rhynchoprion 

 penetrans, 293. 



Kirk, Dr. J., on a new Antelope, 360; 

 on a new species of Bat, 436. 



Kirkby, J. W., on the palaeozoic bi- 

 valved Entomostraca, 404. 



Kner, Prof., on some new Fishes, ']']. 



Krefft, G., on three new species of 

 Snakes, &6 ; on new species of 

 freshwater Fishes, 68. 



Kroyer, Dr., on some Greenland 

 Fishes, 477 ; on parasitic Ento- 

 mostraca, 478. 



Labrax, new species of, 503. 



Lacaze-Duthiers, M., on the sexes of 

 the Alcyonaria, 453. 



Lamprolina, new species of, 34. 



Laona, characters of the new genus, 

 324. 



Lazaria, new species of, 178. 



Leighton, Rev. W. A., on new British 

 Lichens, 233. 



Leius, characters of the new genus, 



n. _ 



Leperditia, new species of, 407. 

 Leptocephalus, observations on the 



species of, 47 ; new species of, 48. 

 Liais, E., on the flight of birds and 



insects, 155. 

 Lichens, new British, 233. 

 Limnophis, characters of the genus, 



96. 

 Longicorns of the Amazons Valley, 



on the, 213, 382. 

 Lord, J. K,, on the Urotrichus, 59. 

 Lycosa, on the circulation of the 



blood in, 16. 

 Malacostraca of Aristotle, on the, 



241. 

 Manatees, on the species of, 130. 

 Mangelia, new species of, 28, 394, 



399. 

 Marginella, new species of, 397. 

 Martens, E. von, on two Starfishes 



from Costa Rica, 433 ; on two new 



Echinidffi, 497. 

 Medusae, on a new form of alternation 



of generations in the, 437, 468. 

 Megablabes, description of the new 



genus, 92. 

 Meinert, Dr., on the habits of the 



common Earwig, 482. 

 Melanocetus, description of the ge- 

 nus, 332. 

 Mergus, new species of, 71. 

 Merona, description of the new ge- 

 nus, 261. 

 Microsaura, new species of, 349. 

 Microscope, on a new object-glass for 



the, 329. 



