VI CONTENTS. 



CHAPTER V. 



PARASITES. 



PAGE 



The Flea, The Pygidium of a Flea ' 144 



Pediculus, or Louse .,. ... ... 146 



The Acari, or Tics, Mites. Acarus Domesticus, or Common 

 Cheese-mites Acarus Passularum Acarus Passerinus 

 Ixodes, or Dog-tick Melophagus Stenopteryx Ornitho- 

 myia Nycteribia Chelifer Acarus Gamasus Trombidium 

 Phalangii Trombidium Autumnale Water-mites Entozoa 147 



CHAPTER VI. 



MICROSCOPIC MOTHS. 



Nepticula Aurella Nepticula Malvelli Nepticula Prunatori 

 Nepticula .Trimaaulella Ceriastoma Scitella Lithocolletis 

 Sylvella Lithocolletis Schreberella Lithocolletis Trifas- 

 ciella Lithocolletis Hortella Gracilaria Swederella Gra- 

 cilaria Syringella Coleophora Gryphipennella Ornix 

 Guttea Lithocolletis Scabiosella Glyphipteryx Thrasonella 

 Head of Ochsenheimeria, &c. ... ... ... ... 153 



CHAPTER VII. 



PALATES. 



Palate of Helix Pomatia Helix Aspersa Limax Helix Hor- 

 tensis Helix Nemoralis Helix Rufescens Helix Virgata 

 Zonites, or Helix Nitida Palate of Whelk, of Purpurea, 

 of Nasa, of Trochus Ziziphinus, of Trochus Crassus, of 

 Trochus Umbilicatus, of Periwinkle, of Haliotis, or Aumer, 

 of Pleurobranch, of Aplysia, of Doris, of Limpet, of Chiton, 

 of Yellow Nerite, of Neritina Fluviatilis, of Lymneus Stag- 

 nalis, of Planorbis Cornea, of Paludina, of Cyclastoma ... 158 



CHAPTER VIII. 



SLIDES OF ZOOPHYTES. 



Anthozoa. Sertularia Pumila Sertularia Polyzonias Sertularia 

 Operculata Sertularia Rosacea Laomedea Geniculata 

 Laomedea Dichotoma Plumularia Cristata Plumularia 

 Falcata 1C? 



Polyzoa. Gemicellaria Gemmellaria Loriculata Gemecelaria, 

 or Notomia Bursaria Cellularia Avicularia Flustra Trun- 

 cata Pustulipora Fossil Flustra Chartacese Cellularia 

 Reptans Cellularia Ciliata Crisea Eburnea Crisea Cornuta 

 Serialaria Lendigera Fresh-water Zoophytes ... ... 171 



