4 Tun. 
VI. TUNICATA. 
II. SUBJECT-INDEX. 
a. Anatomy, Physiology and General. 
General account of Tunicata continued; Seeliger (27). 
Morphology of heart and vascular system in Tunicata; Lang (19). 
Anatomy of Oligotrema n. g. ; Bourne (5) : of Oikopleura vanhoeffeni ; 
Salensky (26) : of Hypurgon n. g. ; Sollas (29) : Anatomy and mode of 
budding in Stephanosalpa n. subg. ; Bonnier & P^rez (4). 
Anatomy and histology of heart in Salpa and Ciona ; Heine (13). 
Glands of alimentary canal in simple Ascidians; Isert (17). 
Experiments on the function of the central ganglion in Ciona ; Frohlich 
(9). 
Pulsation of heart in Molgula manhattends ; Hunter (16): in Salpa ; 
Reeker (25): Cause of reversal of contractions in Tunicate heart ; Ban- 
croft & Esterly (3): Response of heart to electrical stimulation in 
Clavelina\ Carlson (6). 
Digestive ferments in Salpa africana\ Henri (14 & 15). 
Power of regeneration and “regulation” at different stages of develop- 
ment in Phallusia and Ciona ; Driesch (8). 
^Estivation, seasonal variation etc. of Botrylloides gascoi ; Bancroft (1). 
Variation, especially of colour, fusion of colonies, growth etc. of Botryllus ; 
Bancroft (2). 
Gelatinous “house” of Appendicularice as apparatus for capture of 
food ; Lohmann (21). 
Mesozoon ( Lohmannia n. g.), parasitic in Fritillaria ; Neresheimer 
(23). 
Classification of Arctic Tunicata; Hartmeyer (12). 
b. Embryology. 
Development of Appendicularice ; Goldschmidt (10). 
Post-larval development and budding in Diplosomidce ; Pizon (24). 
Development of heart in Salpa ; Heine (13): in Clavelina and Ciona ; 
Kuhn (18). 
c. Distribution. 
1. Geographical. 
Arctic Seas, horizontal and vertical distribution of all Arctic Tunicata 
discussed, with n. spp. from Spitzbergen, White Sea, Murman Coast, 
Tromso, Baffin’s Bay and Pribyloff Is. ; Hartmeyer (12). 
North Atlantic, pelagic Tunicata and larvae; Lohmann (22). 
North Sea and Skagerak, pelagic Tunicata; Cleve (7). 
South Devon, Tunicata ; Todd (31). 
Mediterranean, Tunicata of abyssal pelagic fauna ; Lo Bianco (20). 
Gulf of Trieste, list of Tunicata; Graeffe (11): Tunicata of plankton ; 
Steuer (30). 
Strait of Ormuz, Stephanosalpa n. subg. and sp. ; Bonnier & P^rez (4). 
Malay Peninsula, Hypurgon n. g. and sp. ; Sollas (29). 
New Britain, Oligotrema n. g. and sp. ; Bourne (5). 
2. Geological. 
Tertiary (?). Fossil Tunicate spicules ( Leptoclinum sp.) from raised 
reefs on Niue (Savage Island) between Tonga and Fiji ; Sherlock (28). 
