444 
INDEX to VOL. XV. 
ee 
ACHRIOTYPA, characters of the new 
genus, 71. 
Acridura, description of the new 
genus, 398, 
Acryptolaria, description of the new 
genus, 172. 
Actinie of the oceanic coasts of 
France, on the, 375. 
Actinura, new species of, 402. 
Admete, new species of, 426, 
/Kcidium, new species of, 386. 
A&thopyga, new species of, 400. 
Agaricus, new species of, 41. 
Agaristidee, on certain genera of, 155. 
Agassiz, A., on the embryology of 
the Ctenophora, 87; on Kowa- 
levsky’s researches in embryology, 
92. 
Alecto, new species of, 124. 
Allman, Prof., on the structure and 
development of Myriothela, 297. 
Amblyopus, new species of, 147. 
Ameeba, new species of, 160; on the 
mode in which it takes its food, 
232. 
Amphioxus lanceolatus, on the brain 
and skull of, 225. 
Anguillulide, on a new, 342. 
Animals, general review of the first 
embryolovical processes of, 15. 
Annelida and Vertebrata, on the re- 
tionship of the, 94. 
Anolidee, on the, 270. 
Antirrhea, new species of, 222. 
Arzotanypus, description of the new 
genus, 404. 
Arca centrota, on the occurrence of, 
in a living state, 51. 
Ascobolus, new species of, 59. 
Atteria, new species of, 342. 
Atthey, T., on Ctenodus obliquus and 
Paleoniscus Hancocki, 309. 
Aulopora arachnoidea, description of, 
126. 
Balfour, I. B., on the flora of Rodri- 
guez, 366, 
Barrois, J., on the embryogeny of the 
Nemertians, 501. 
Bathyporeia, on the genus, 74. 
Batrachians, on a new genus of, 128; 
on the development of the teeth of, 
153; on the discovery of true, in 
paleeozoic rocks, 233. 
Bebelis, new species of, 73. 
Bela, new species of, 419. 
Belemnia, new species of, 339. 
Berkeley, Rev. M. J., on British 
Fungi, 28. 
Birds, new, 400. 
Bone-caves, on some, 148, 
Books, new:—The Excavation in the 
Kesslerloch near Thayingen, 148 ; 
Heim’s “ Find” of the Reindeer 
Period, 149; Karsten’s Studies of 
the Primeval History of Man, 150; 
Newton’s Zoology, 285; Wilson’s 
Guide to Zoology, tbed. ; Brussina’s 
Fossil Inland Shells from Dalmatia, 
Croatia, and Slavonia, 434. 
Broome, C. E., on British Fungi, 
28. 
Buccinum, new species of, 424. 
Butler, A. G., on certain genera of 
Agaristidee, with descriptions of 
new species, 155; on new genera 
and species of Lepidoptera, 222, 
538, 396. 
Calcispongiee, on the, 1. 
Cambridge, Rev. O. P., on a new 
species of Liphistius, 249. 
Cardium, new species of, 51. 
Carpenter, Dr. W. B., on the nature 
of the sea-bottom, 286. 
Carter, H. J.,on the genus Rossella, 
with descriptions of new species, 
115; on Hyalonema cebuense, 383; 
on Labaria hemispheerica, 389. 
Castracane, Count F., on the Dia- 
tomeze of the Carboniferous period, 
164. 
Cephalopoda, on the embryological 
development of the, 98, 209, 317. 
Ceramopora, new species of, 182. 
Ceratodus Forsteri and C. miolepis, 
note on. 368. 
Ceroplesis, new species of, 66, 
