[N.B.—The names in italics are either synonyms or doubtful species. | 
Alepas squalicola . 
Anatifa cancellata 
> convexa 
Anatifera crete 
of turgida : 
Angelin, M., on fossils of Scania 
Antenne prehensile of larva . 
Aptychus : : : 
Attachment, manner of, in Cirripedes 
Balanus carbonarius 
Calentica Homit : 
Carina, manner of growth of . 
Clisia or Creusia, fossil 3 : 
Corals, fossil, not inhabited by Cirripedes 
Crustacea compared with Cirripedes 
Dana, J. D., on the peduncle of Cirripedes 
Distribution of recent Cirripedes 
= fossil Cirripedes 
D’Orbigny, Alcide, on Aptychus 
Fitch, Mr., specimens collected by 
Forchhammer, on the age of the beds 
Scania . q 5 : : 
Gray, Mr. J. E., on the genus Scalpellum 
Homologies of the peduncle and capitulum 
Ibla, sex of . ; 
Leach, Dr., on the genus Scalpellum 
Lepadide 
Loricula pulchella 
Loven, on the homologies of Cirripedia 
Male Cirripedes 
Meyer, on Aptychus 
Morren, on fossil Tubicinella 
Nomenclature of valves 
Nomenclature, rules of . 
Oken, on Mitella . 
Oxynaspis (genus recent) 
Peduncle, homologies of 
Petzholdt, on Balanus carbonarius 
Pictet, on fossil Crustacea 
INDEX. 
13 | Pollicipes acuminatus 
Page 
7 
79 & 
45 s 
79 a9 
6 ” 
13 3 
3 » 
13 Dp 
5 » 
14 » 
19 ” 
5 ” 
5 » 
13 ” 
12 » 
6 ” 
8 ry) 
3 ” 
6 ” 
of 2» 
7 ” 
Gy, Wal » 
13 ” 
16 ” 
By 1a! ” 
1, ” 
81 2 
13 ” 
1as23 2 
4 » 
5 ” 
9 » 
32 
ee 
45 
13 s 
5 bP) 
7 » 
Angelini 
angustatus 
antiquus 
asper 
Bronnii 
carinatus 
concinnus 
conicus . 
dorsatus 
elegans 
elongatus 
fallax 
Genus of 
glaber 
gracilis 
Hausmanni 
laevis 
liasinus 
medius . 
maximus 
Nilssonii 
ooliticus 
ornatissimus 
planulatus 
politus . 
quadricarinatus 
reflexus _ 
radiatus 
rigidus . 
semilatus 
solidulus 
striatus 
Sub-genera of 
sulcatus 
uncinatus 
undulatus 
unguis . 
validus . 
villosus . 
58, 
40, 
81 
