CONTENTS. 
xli 
Page 
Dolichopodidae . . 307 
Syrphidae 307 
Pipunculidae . . . 307 
CEstridae 307 
Tachinidae (and 
Actiadae) .... 308 
Dexiidae 309 
Sarcophagid® . . . 309 
Muscidaa 309 
(d.) diptera — continued. 
Page 
Anthomyiidae. . . 310 
Helomyzidae . . . 310 
Sciomyzidae . . . .310 
Psilidae 311 
Micropezidae,Orta- 
lida0,andSepsida3 311 
Trypetidaa .... 311 
Lonchaeidae .... 312 
Heteroneuridae . . 312 
Page 
Ephydridas .... 312 
Geomyzidas .... 312 
Drosophilidae ... 312 
Oscinidae 312 
Agromyzidas ... 312 
Phytomyzidae . . 312 
PhoridaB 312 
Hippoboscidae . . 313 
Aphaniptera. . . . 313 
The General Sub- 
ject 314 
Hemiptera — He- 
teroptera ... 314 
Pentatomidae . . 314 
Mictidae 314 
Coreidae 314 
Lygaeidae and 
Pyrrhocoridae. 314 
Tingitidae .... 315 
Aradidae .... 315 
Page 
The General Sub- 
ject ....... 321 
Trichoptera . . . 321 
N europtera-Plani- 
pennia ..... 321 
(e.) Rhynciiota.' 
(Hemiptera — He- 
teroptera) 
Oapsidae. .... 315 
Cimicidae and 
Anthocoridae . 316 
ReduviidaB . . . 316 
Hydrometridae . 316 
Belostomatidae 
and Nepidas . 316 
Corisidas .... 317 
(f.) Neuroptera. 
Page 
Pseudo-Neuroptera322 
Thysanura . . . 322 
Mallophaga . . . 323 
Thysanoptera . . 323 
Hemiptera — Ho- 
moptera ... 317 
CicadidaB .... 317 
Fulgoridae . . . 317 
Membracidae . . 317 
Iassidas 317 
Psyllidae .... 318 
Aphididae . . . 318 
Coccidae and 
Aleurodidae . 319 
(Anoplura) .... 320 
Page 
Termitidas .... 323 
Psocidas 323 
Perlidae .324 
Ephemeridae . . . 324 
Odonata 324 
(g.) Orthoptera. 
The General Sub- 
Blattidae .... 
. 327 
Gryllidae , 
328 
ject 
327 
Mantidae .... 
. 328 
Locustidae 
.... 328 
Forficulidae . . . . 
327 
PhasmatidaB. . . 
. 328 
Acrydiidae 
.... 329 
ECHINODERMATA. 
By Prof. F. Jeffrey Bell, M.A., 1 
Sec. R.M.S. 
Titles 1 
Geographical Distribution. . . 4 
Anatomy, Physiology and 
Development 5 
Genera and Species 6 
Echinoidea 6 
Asteroidea 6 
Ophiuroidea 6 
Holothurioidea 6 
Crinoidea 8 
