270 REVIEWS. 



Fig. 5. — Head of Drone-Fly, side view. 



6, — Longitudinal vertical section of ditto, showing the position 

 of the fulcrinii at a, and the oesophagus at h. 



7. — The apodenies {cqy., ap.) and operculum {op.) of the Blow- 

 Fly ; front view. 



8. — The forked rings of the false tracheae of the Blow-Fly. 



9. —The Proboscis of the Drone-Fly : /, , the fulcrum ; mx. , the 

 maxilla ; mp., palpus ; ?r., labrum ; f. , tongue ; Ih., labium. 



10. — The Proboscis of the Blow-Fly ; parts as above. 



11. — One of the lobes of Drone-Fly. 



12. — Extremity of labrum of Blow-Fly. 



13. — ,, ,, of Drone-Fly. 



14.— Teeth of Blow-Fly. 



Drawn by A. Hammond. 



J) 



1Rc\)iew0. 



Micro-Chejmistry of Poisons, including their Physiological, 

 Pathological, and Legal Relations ; with an Appendix on the Detection and 

 Microscopic Discrimination of Blood. By Theodore G. Wormley, M.D., 

 Ph.D., LL.D. With 96 illustrations on steel. Second edition, pp. 741. 

 (Philadelphia, U.vS.A., and London : J. B. Lippincott and Co. 1885.) Price 

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The second edition of this large and valuable work has just reached us. 

 The author commences with a definition of the term Micro-Chemistry of 

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Comparative Anatomy and Physiology. By Jeffrey Bell, 



M.A. pp. ix. — 555. (London: Cassell and Co. 18S5.) Price 7s. 6d. 



This is one of Cassell's Manuals for Students of Medicine. The author 

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 be correctly stated. The various chapters treat of the Amoeba ; General 

 Structure of Animals ; Organs of Digestion, Respiration, Excretion, Secre- 



