38 



Explanation of Plates. 



Plate I. 



Tjifiia ocenuica (Linn.), dorsal view, x 4. 



Plate II. 



Fip'. 1. First antenna seen from the side: much 



enl argued. 

 Fig'. 2. Second antenna of left side seen from ahove. 

 Fig. 3. Left mandible seen from below. 

 Fig. 4. Teeth and molar process of mandible from the 



posterior side. 

 Fiff. 5. First maxilla of left side. 

 Fig. 6. Second maxilla of left side. 

 Fig. 7. Left maxillipede. 

 Fig. 8. First pereiopod of male. 

 Fig. 9. Seventh pereif)pod of male. 

 Fig. 10. Second abdominal appendage (or pleopod) of 



left side of male, showing copulatory style; 



anterior view. 

 Fig. 11. Fonrth abdominal appendage (pleopod) of male, 



])osterior view, showing the inner lamella. 

 Fig. VI. '^riiird pereiopod of female, attached to the 



epimeral plate, showing one of the brood ponch 



lamellae arising from the sternnm internal to 



the appendage. 

 Fig. 1-"). Fonrth abdominal a])pendage of female, 



anterior view, 'lire inner lamella can be seen 



by transparency ; also the afferent (a.h.v.) and 



efferent (e.h.r.) branchial vessels. 

 Fig. 14. Uropod, showing sensory process at the tip of 



the inner style. 



