PLATE XXV. 



Corynascidia suhmi, n. sp. 



Fig. 1. Corynascidia suhmi, from the right side ; natural size. 



Fig. 2. A semi-diagrammatic figure of a dissection, from the right side, showing the rela- 

 tions of the viscera (stomach, intestine, genital gland, &c.) to the branchial sac; 

 natural size. 



Fig. 3. The alimentary and reproductive viscera of Corynascidia suhmi, seen from the 

 ventral surface, showing the course of the intestine (i. and r.), and the position 

 of the genital gland (g.) on the stomach (st.) ; natural size. 



Fig. 4. The dorsal tubercle ; magnified (Hartn., obj. 4). 



Fig. 5. Part of the circle of tentacles, showing the two sizes (tn. and tn.') alternately 

 placed (Hartn., obj. 4). 



Fig. 6. Part of the branchial sac of Corynascidia suhmi, seen from the inside ; magnified 

 (Hartn., obj. 4). 



Fig. 7. Part of the dorsal lamina, showing the double series of languets (/.) ; magnified 

 (Hartn., obj. 4). 



Fig. 8. Part of the dorsal lamina of another specimen, where the languets are longer, and 

 are of two sizes, placed alternately ; magnified (Hartn., obj. 4). 



