353 



L.M.B.C. MEMOIRS. 



No. XIII. ANUEIDA. 



BY 



A.. D. IMMS, M.Sc. (Birm.), B.Sc. (Loud.), 



Christ's College, Cambridge. 



CONTENTS. 







PAGE 





PAGE 



I. Introductory Remarks 



355 



9. Sensory Organs . 



393 



II. Bionomics. 



357 



10. Circulatory System . 



396 



III. Geographical Distribution 



363 



11. Excretory System 



398 



IV. Morphology 



364 



12. Reproductive System 



402 



1. External Features 



364 



V. Embryology 



408 



2. Integument and Colour . 



367 



VI. General Remarks on 





3. Mouth Parts 



369 



Collembola 



414 



4. Digestive System . 



373 



VII. Affinities of Collembola 



423 



5. Muscular System . 



379 



VIII. Marine Insects 



427 



6. Ventral Tube 



382 



IX. Literature . 



432 



7. Cephalic Glands, etc. 



386 



X. Appendix . 



439 



8. Nervous System . 



389 



XI. Explanation of Plates . 



442 



