114 LIVERPOOL BIOLOGICAL SOCIETY. 
found round the shores of Puffin Island since the opening 
of the Biological Station in May, 1887 :— 
ASCIDIZ SIMPLICES. ASCIDIZ COMPOSITA. 
Clavelina lepadiformis. Polycyclus savignyt. 
do., var. aUssoand. Botryllus smaragdus. 
Ascidiella virginea. B. schlosserv. 
A. scabra. Botrylloides rubrum. 
Styela grossularia. B. leachit. 
Polycarpa rustica. B. albicans (?). 
Molgula citrina. Sarcobotrylloides sp. (?). 
Distoma rubrum. 
LiARVACEA. Morchellium argus. 
Oikopleura flabellum. Leptoclinum maculosum. 
: ZL. durum. 
Diplosoma gelatinosum. 
I shall adhere to the same classification as that employed 
in the previous report. 
LARVACEA. 
Family. APPENDICULARIIDZ. 
Otkopleura flabellum, J. Mull. 
This species has now been taken with the tow-net in all 
parts of our district, but it is the only Appendicularian 
which has been noticed. 
ASCIDIACEA. 
ASCIDIA, COMPOSIT Ah. 
Family. BorryLuip2. 
Polycyclus savignyt, Herdman. 
Dredged off the north coast of Anglesey, in the “‘ Hyena” 
cruise of 1886. A large colony growing over Hydrallmania 
was found on the Beacon Rocks at Puffin Island. 
