CONTENTS. 
XXXV 
Neuroptera. By II. McLaciilan, F.R.S., F.L.S. 
Page 
The General Sub¬ 
ject .241 
Trichoptera . . . 243 
Neuroptera-Plani- 
pennia.244 
Page 
Psendo -N europtera246 
Thysanura . . . 247 
Mallophaga . . . 247 
Thysanoptera . . 250 
Termitidse . . . . 2511 
Page 
Embiidae.251 
Psocidse .252 
Perlidse.253 
Ephemeridse . . , 253 
Odonata .254 
Orthoptera. By R. McLachlan, F.R.S., F.L.S. 
The General Sub¬ 
ject .259 
Forficulidse .... 260 
Blattidse ..... 260 
Mantidae.261 
Phasmatidac. . . . 261 
Gryllidae.262 
Locustidae .... 262 
Acridiidse .... 263 
ECHINODERMATA. By Prof. F. Jeffrey Bell, M.A., Sec. R.M.S. 
Titles. 1 
Geographical Distribution... 4 
General Morphology. 4 
Echinoidea ........... 5 
Asteroidea. 6 
Ophiuroidea. 7 
Holothurioidea. 8 
Crinoidea ............ 9 
VERMES. By Prof. F. Jeffrey Bell, M.A, Sec. R.M.S. 
General. 1 
Platyhelminthes. 2 
Nematohelminthes. 6 
Acanthocephali. 8 
Rotatoria. 8 
Gephyrea. 9 
Annulata. 10 
Enteropneusti. 21 
Myzostomata. 22 
CCELENTERATA. By Prof. A. C. Haddon, M.A., M.R.I.A. 
Titles— 
Recent.... 
Palaeontology 
Morphology . . 
Physiology. . . 
1 
4 
6 
7 
General Biology . . . 
Methods. 
Genera and Species— 
Hydrozoa. 
Actinozoa. 
8 
9 
9 
10 
SPONGLE. By Prof. W. J. Sollas, LL.D., D.Sc. 
Titles. 
Anatomy and Histology . . . 
Ontogeny. 
Phylogeny. 
Classification. 
1 
4 
5 
5 
5 
New Genera. 
New Species and Synonymy. . 
Distribution. .. 
Fossil Sponges. 
Methods. 
12 
13 
16 
19 
19 
