ZOOT.OGY OF THE INVERTEliliATxi. 



805 



Fig. 80. — Gammams neglectus. Female bearing eggs seen in profile. 

 From Leuckart and Nitsche, after G. O. -Sars. 



I. — VI. — Cephalothorax. | VII. — The thoracic segments. 



XIV. — XIX. — The six abdominal segments. 



1. Anterior antennae. 



2. Posterior antennae. 



3. Mandibles. 



4. First Maxillge. 



5. Second Maxillae. 



6. Maxillipede. 



7 — 13. Thoracic limbs. 

 14 — 16. Three anterior 



abdominal 



20. Heart, with six pairs of ostia. 



21. Ovary. 



22. Hepatic diverticula. 



23. Posterior diverticula of the alimen- 

 tary canal. 



24. Median dorsal diverticulum. 



25. Alimentary canal. 



26. Nervous system. 



27. Ova in egg pouch, formed from 

 lamellae on the coxae of the three 

 anterior thoracic limbs. 



limbs for swimming. 

 17 — 19. Three posterior alxlominal 

 limbs for jumping. 



The description of each section of the animal kingdom is 

 prefaced by a Zoological Chart, or "Scheme of Classification." 

 There is also a good Index. 



Our best thanks are due to Messrs. Adam and Charles Black 

 for so liberally allowing us the use of the illustrations. 



International Journal of Microscopy and Natural Science. 

 Third Series. Vol. III. 



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