491 
INDEX to VOL. XIII. 
ActinoLoey of the Atlantic Ocean, 
remarks on the, 102, 416. 
Allopora, new species of, 111, 468. 
Amphileptus fasciola, on reproduc- 
tion in, 416, 
Amplexopora, new species of, 539. 
Anacropora, description of the new 
genus, 287. 
Animal kingdom, on the classifica- 
tion of the, 518. 
Anosia, new species of, 185. 
Aphides of the Elm, on the biolo- 
gical evolution of the, 228. 
Archer, Mr., on a new species of 
Staurastrum, 145. 
Arenicola Grubii, on the structure 
of the otocysts of, 415, 
Artaxa, new species of, 200. 
Ascidia, on some new exotic simple, 
424, 
Asplanchna, new species of, 310. 
Aulacochilus, new species of, 372. 
Balanoglossus, on the development 
of, 65, 
Bateson, W., on the development of 
Balanoglossus, 65, 
Batrachians, new, 396. 
Batrachospermum, on the fertiliza- 
tion of, 15. 
Beddard, F. E., on the genus Mega- 
scolex, 398. 
Belenogaster, new species of, 410. 
Bell, Prof. F. J., on the species of 
Pseudoboletia, 108; on some para- 
sites of fishes from Madras, 173, 
Blanus, new species of, 396, 
Books, new :—Curtis’s Farm Insects, 
63; Buckton’s British Aphides, 
64; Hinde’s Fossil Sponges, 219 ; 
Pascoe’s Notes on Natural Selec- 
tion, 500; Kuntze’s Phytogeo- 
genesis, 302; Proceedings of the 
Belfast Naturalists’ Field Club, 
413; Transactions of the Cumber- 
land Association for the Advance- 
ment of Literature and Science, 
415; Macoun’s Catalogue of Cana- 
dian Plants, 484. 
Bornemann, L. G., on a Mediter- 
ranean species of Lingulinopsis, 
490, 
Boulenger, G. A., on new species of 
Reptiles and Batrachians, 396, 
Brachionus, new species of, 309. 
Bracon, new species of, 404, 
Biitschli, Dr. G., on the Castreea- 
theory, 372. 
Bugula, new species of, 367. 
Butler, A. G., on new Lepidoptera, 
58, 171, 183, 278, 343. 
Caduga, new species of, 58, 
Cecilia, new species of, 398, 
Callithamnion, on the fertilization of, 
22. 
Callopora, new species of, 120, 
Calosiphonia, on the fertilization of,16, 
Cambarus, on the so-called dimor- 
phism in the genus, 147. 
Camponotus pennsylyanicus, on the 
habits of, 419. 
Carter, H. J., remarks on some fresh- 
water Sponges, 99; on the generic 
characters of some new Sponges, 
129; on Grantia ciliata, var. spini- 
spiculum, 158; on the branched 
and unbranched forms of the fresh- 
