PLATE IV. 



Figs. 1-8. Saljia costata-tilesii. 

 Fig. 9. SaljM sp. (?), n. sp. 



at. Atrial aperture, 



br. Branchial aperture. 



d.l. Dorsal lamina. 



en. Endostyle. 



I. Languet. 

 msc. Thickened test over the visceral mass. 

 p.p. Peripharyngeal bands. 



Fig. 1. Salpa costata-tilesii (specimen A.) from left, side ; half natural size. 



Fig. 2. Horn-like process of same ; natural size. 



Fig. 3. Specimen C. of same, from Station 230, seen from anterior end ; natural size. 



Fig. 4. Same specimen seen from posterior end ; natural size. 



Fig. 5. Part of surface of test of same species ; enlarged. 



Fig. 6. Part of dorsal lamina of same ; magnified (S. 1). 



Fig. 7. Anterior extremity of endostyle of same ; enlarged. 



Fig. 8. Anterior end of dorsal lamina and neighbouring parts of same ; enlarged. 



Fig. 9. Salpa sp. (?), n. sp., from left side ; half natural size. 



