XVlll 
CONTENTS. 
Rhynchota. By E. C. Rye, F.Z.S., M.E.S. 
Page 
General Subject . 221 
Hemiptera — He- 
teroptera .... 221 
Pachycoridas . . . 223 
Eurygastrida3 ... 223 
Odoutoscelidae . . 223 
Plataspididae . . . 223 
Cydnidse 223 
Pentatomidre . . . 223 
Coreidae 225 
Berytidae .... 226 
Page 
Lygaeidae 226 
Anthocoridae . . . 227 
Capsidae 227 
Tingididao .... 228 
Phymatidae .... 229 
Aradidae 229 
Reduviidae .... 229 
Saldidae 229 
Hydrometridas . . 230 
Naucoridae .... 230 
Corixidae 230 
Page 
Hemiptera — Ho- 
moptera .... 230 
Cicadidae 231 
Cercopidae .... 231 
Membracidae ... 231 
lassidae 232 
Fulgoridae .... 233 
Psyllidae 234 
Aphididae 235 
Coccidaes 239 
VERMES. By C. F. Lutken, Ph.D., F.R.D.A., &c. 
Rotatoria 1 
Chaetopoda .... 2 
Discophora .... 7 
Turbellaria .... 7 
Trematoda . . . .10 
Cestoida ..... 13 
Nematoda .... 16 
Acanthocephala . 20 
Gephyrea 21 
EOHINODERMATA. By C. F. Lutken, Ph.D., F.R.D.A., &c. 
General Subject . 1 
Holothuriidae . . . 11 
Echinidae 12 
AsteridaB 13 
Ophiiiridao .... 14 
Crinoidae 15 
Fossils 15 
CCELENTERATA. By C. F. Lutken, Ph.D., F.R.D.A., &c. 
Anthozoa II Hydrozoa .... 6 | Graptolites .... 16 
Fossil Corals . . . 5 j | 
SPONGOZOA. By C. F. Lutken, Ph.D., F.R.D.A., &c. 
General Subject . I I Genera & Species 4 I Fossils 7 
Evolution, Ac. . . 2 | | 
PROTOZOA. By C. F. Lutken, Ph.D., F.R.D.A., &c. 
Infusoria II Fossil Rhizopoda. 10 I Generalities, Phy- 
Rhizopoda .... 5 | Gregarinidae ... 11 | logeuesis, &c. . 12 
Index to Genera and Subgenera described as new, Ac. 
