440 



1 N 1»KX. 



Uujtpv. K. J. L., uii now species ol' 

 bivalve Mollusi-a, 49 ; uu some 

 mariuo shells, oO. 



I lackels Oastrea theory, ou, 1 , 87, U2. 



llaemulon, new species of, '2(iS. 



I laly. A., on new species of Fish, 2(i8. 



Hebesecis, new spei-ies of, (5". 



Hector, ])r. J., ou five new speciea of 

 fishes. 78. 



Heliconius, new species of, 223. 



llelotium, new species of, 38. 



Ilerpcton tentaculatum, note ou, loi). 



HifTfrin, T., ou two sponges from the 

 I'hilippiues, 377. 



Hippothoa, ou some species of, 123. 



Ilutton, Capt. F. W., on two new 

 species of C'rustaoea, 41. 



lluxley, Prof T. II., ou the brniu 

 and skull of Amphioxus lanceola- 

 tus, 22o. 



llyaleucerea, characters of the new 

 genus, 3U'J. 



llyalouema, uew species of, 377. 



Hyduum, new species of, 31. 



Hyphasmopora, description of the 

 new genus, 43. 



Isodictya, uew species of, 170. 



Ixus, new species of, 401. 



Jeffreys, .1. Gwyu, on subuiariue- 

 cable fauna, l<i9. 



Joues, Prof. T. 11., ou the palaeozoic 

 bivalved Eutomostraca, 52. 



Josia, uew species of, 340. 



Kangaroos, on Prof Owen's arrange- 

 uieut of the fossil, 204. 



King, Prof.W., on oceanic sediments, 

 198. 



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

 valved Eutomostraca, 52. 



Kneiflia, new species of, 32. 



Kowalevsky's, A., researches in em- 

 bryology, 92. 



Krefft, G., on Prof. Owen's arrange- 

 ment of the fossil Kangaroos, 204. 



Labaria hemisphaerica, ou, 385. 



Lamellibrancluata, notes on Carbo- 

 niferous, 427. 



Leidy, Prof., on someRhizopods, 100; 

 on the mode in which Amoeba 

 swallows its food, 232 ; on the 

 motive power of Diatoms, 234. 



Lentiuus, new species of, 30. 



Eepidoptera, new, Hi-'i, 222, 338, 39C). 



Leptodora hyalina, on the structure 

 and develiipment of, 373. 



I>tplostroma, new species of, 33. 



Leptothyrium, uew sp(<cies of, 33. 



Leucociiloridiuiu paradoxum, obser- 

 vations ou, 102. 



Limulus, on an uudescribed orgauin, 

 255. 



Liphistius, new species of, 249. 



l^ith(>bioid;e, ou uew, 188. 



Liiw, I >r. F., on a new gall-producing 

 Auguillulide, ;U2. 



Evgesis, new species of. 02, 



I\f "Coy, Prof. 1' ., ou a uew species of 

 Trigouia, 3 It 5. 



Macrurus, new species of, 81. 



Mactra, uew species of, 49. 



Mannuals, ou a uew order of, 307. 



Miuiou, -V. ]'"., ou the Nematoids of 

 the Ciulf of Marseilles, 300 ; on 

 the MediteiTaneau species of tho 

 genus Eusyllis, 307 ; ou the ana- 

 tomv of Drepauophorus spectabilis, 

 371.' 



Marsh, Prof. O. C, ou a new order 

 of Eocene Mammals, 307. 



Mayer, I'rof. A. M., on the auditory 

 apparatus of the Culex mosquito, 

 349. 



^legalaiina, uew species of, 400. 



Meyer, Dr. A. B., ou Ceratodus 

 Forsteri and C. miolepis, 308 ; on 

 the habitat of Peristethidiou pri- 

 onocephalum, 371. 



Miall, L. C, on Ctenodus cristatus, 

 430. 



Milue-Edwards, A., ou the period of 

 extinction of the ancient Fauna of 

 the Island of Kodriguez, 430. 



Mimeusemia, characters of the new 

 genus, 397. 



Miocydus, description of the new 

 genus, 59. 



MoUusca, new species of bivalve, 49. 



Monochamus, new species of, 04. 



Morpho, new species of, 338. 



Moseley, 11. N., ou Pelagonemertes 

 RoUestoni, ll)5. 



Motella, new species of, S'2. 



^lurex, uew species of, 420. 



Myaliua crassa, observations on, 427. 



Myriothela, ou the structure aud de- 

 velopment of, 297. 



Mytilusednlis,ou the anatomy of, 157. 



Myxotrichum, new species of, 37. 



Niussa, new species of, 423. 



Nematoids, ou the peripheral nei'vitus 

 system of the marine, 2.'i5; of the 

 (Julf of .Mar.seilles, on the, 30(5. 



Nemaloptychius, description of the 

 new genus, 259. 



