CONTENTS. 



Preface ----... 



Introduction - - ... . 



List of Plates ----.. 

 I. Life-History of the Blow-Fly 

 IL An Introduction to the Study of the Anatomy and 

 Morphology of Insects - - . . 



III. On the General Characters of the Diptera and its 



Subdivisions, with a Description of the Type-form 

 'Calliphora Erythrocephala' 



IV. The Larva of the Hlow-Fly .... 



Sec. I. External Form and Segmentation 



„ 2. The Integument - - . . . 



„ 3. The Head and Mouth Armatuie ■ 



„ 4. The Respiratory Organs .... 



„ 5. The Cutaneous Muscle;^ .... 



„ 6. The AHmentary Canal ... 



„ 7. The Nervous System .... 



„ 8. The Sensory Organs and Peripheral Nerve Terminations 



„ g. The Imaginal Discs .... 



„ 10. The Ca-lom, Dorsal Vessel and Splanchnic System of 



Nerves - . . . . . 



Appendi.x to Chapter IV.— Methods of Study 



V. The Integumental Skeleton of the Im.\go 



Sec. I. General Characters of the Exo-skeleton in Insects 

 „ 2. The Head Capsule .... 



a. General Morphology - - . . 



b. On the Nomenclature of the Sutures and Sclerites of 



the Head Capsule - - . . 



c. The Head Capsule of the Plow- Fly - 



25 

 32 

 32 

 35 

 37 

 47 

 50 

 51 

 62 



71 

 72 



85 

 93 

 99 

 99 

 106 

 106 



117 

 119 



