XXIV 
CONTENTS. 
Orthoptera. By R. McLachlan, F.R.S , &c. 
Page 
The Greneral Sub- 
ject ....... 215 
Forficulidse .... 216 
Page 
Blattidie 217 
Mantidse 219 
PhasmatidaB. . . . 220 
Gryllidae 
Locustidae 
Acrydiidaa 
Page 
220 
221 
222 
Rhynchota. By W. F. Kirby, M.E.S., &c. 
General Subject . 224 
Hemiptera — He- 
teroptera .... 225 
Pentatomidae . . . 228 
Coreidae 230 
Berytidae 230 
Lygaeidae 231 
PyrrhocoridaB . . 232 
Tingididae .... 232 
Phymatidae .... 232 
Aradidae 232 
CapsidaB 233 
Anthocoridae . . . 237 
SaldidaB 237 
ReduviidaB .... 237 
HydrometridaB . . 238 
Pelogouidae .... 239 
Naucoridae .... 239 
Nepidaa 239 
Notonectidae . . . 240 
OorisidaB 240 
Hemiptera — Ho- 
moptera .... 240 
Cicadidae . . . . . 241 
Fulgoridae .... 241 
Cercopidae .... 242 
Membracidae . . . 243 
lassidae 243 
Psyllidae 245 
Aphididae 246 
CoccidaB 249 
Aleurodidae .... 250 
VERMES. 
General Notes 
Platyhelminthes . 
Nematohelminthes 
By F. Jeffrey Bell, M.A., F.R.M.S., F.Z.S. 
1 Acanthocephali . . 9 
2 Rotatoria 9 
7 Gephyrea 9 
Annulata 10 
Orthonectida . . 17 
EOHINODERMATA. 
Titles 1 
General Morpho- 
logy 3 
By F. Jeffrey Bell, 
Echinoidea .... 6 
Aster oidea .... 7 
Ophiuroidea ... 7 
M.A., F.R.M.S., F.Z.S. 
Crinoidea 9 
Holothuroidea . . 9 
OCELENTERATA. 
Hydrozoa and Otenophora. By A. G. Bourne, 
Titles 1 
Gymnoblastea-Anthomedusae . 6 
Calyptoblastea-Leptomedusae . 6 
Siphonophora 7 
Anthomedusoa (Hasck.) . . . . 
Leptomedusae (Hasck.) . . . . 
Trachomedusae (Hasck.) . . . . 
Narcomedusas (Hasck.) . . . . 
8 
10 
13 
14 
Anthozoa. By S. J. Hickson, B.Sc. (Lond.), &c. 
Titles 16 I Zoantharia Sclerodermata ... 19 
Zoantharia Malacodermata . . 19 | Alcyonaria 21 
SPONGIIDA. By Stuart O. Ridley, B.A., F.L.S. 
Chief Papers on Recent Sponges 
Genera, Species, &c., referred 
to 
New Genera and Species ... 9 
Anatomy and Physiology ... 12 
Fossil Sponges ......... 14 
PROTOZOA. By Stuart 0. Ridley, B.A., F.L.S. 
General Subject . . 1 | Rhizopoda 5 1 Flagellata, Monads 18 
Infusoria .... 1 j Fossil Rhizopoda ,17 \ Gregarinida ... 20 
Index to Genera and Subqenera described as new, &c. 
