. Report upon the fauna of Liverpool Bay and the neighboring seas. rsal pa- pillae. Fig. 1. Dissection of Bendronotus arhorescens, from theleft side x 1^-, showing the caecal processes of theliver running towards the cerata. Fig. 2. Transverse section of the body of Bendronotus inthe region of the second pair of cerata : that onthe right side is cut longitudinally. Drawn fromSwifts 1 in. obj. Fig. 3. Transverse section of one of the third dorsal cerataof Bendronotus. Swift, \ in. Fig. 4. Transverse section of one of the dorsal cerata ofEolis. Swift, ^ in. Fig. 5. Longitudinal section of the ex
. Report upon the fauna of Liverpool Bay and the neighboring seas. rsal pa- pillae. Fig. 1. Dissection of Bendronotus arhorescens, from theleft side x 1^-, showing the caecal processes of theliver running towards the cerata. Fig. 2. Transverse section of the body of Bendronotus inthe region of the second pair of cerata : that onthe right side is cut longitudinally. Drawn fromSwifts 1 in. obj. Fig. 3. Transverse section of one of the third dorsal cerataof Bendronotus. Swift, \ in. Fig. 4. Transverse section of one of the dorsal cerata ofEolis. Swift, ^ in. Fig. 5. Longitudinal section of the extremity of one ofthe dorsal cerata of Eolis, showing the opening ofthe cnidophorous sac to the exterior. Swift, J in. Fig. 6. A neighbouring section to the preceding one,showing the communication between the cnido-phorous sac and the hepatic caecum. Swift, \ in. Fig. 7. Diagrammatic transverse section of Bendronotus,showing the relations of the short hepatic caeca tothe ceratal and lateral blood sinuses. Proc. l_-pool Biol. Soc. Vol. III. PL SII. Fi5. 4, Fi£ 2. FiA- 5. -tnes. and deL Fig- SECOND REPORT upon the TUNICATA of DISTRICT. By W. a. Herdman, , , , PROFESSOR OF XATVRAL HISTORY IX UXnEESITY COLLEGE, LIVERPOOL. With Plate XIII. [Read 10th May, 1889.] Ill the previous report* I recorded forty-seven species,seven of which were new to British seas and two new toscience; and this long list appears to have nearly exhaustedthe Tunicate fauna of the district, since, although a largenumber of specimens have been collected during the lastthree years, I am only able now to add four species to therecord. Of these, however, two are of great interest:—the one is a Molgula new to science, obtained during theWeathercock expedition of 1886; while the second,Molgula citrlna, is a species which was described in 1848by Alder and Hancock, and has not since been heard have found it on the shore at Puftiii Island, a
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