4 Tun. 
VI. TUNICATA. 
[1904] 
B. Embryology. 
Development of ovcariaii egg in Cynthia ; Bluntschli (3). 
Diflerentiation in unsegniented egg of Tunicata; Conklin (4 & 5). 
Anatomy of larva of Distaplia ; Dam as (6). 
Develoi)ment of Archiascidia, placental attachment of embryo ; Julin 
(15). 
Development of branchia in Tmiicata ; Damab (6), Julin (14).! 
c. Distribution. 
1. Geographical. 
Distribution of Poli/zoince, new localities for many spp. ; Michaelsex 
(19). 
Si)itzbergen and Bear Island ; Hartmeyer (11). 
North Sea and Baltic Plankton ; Anon (1). 
N. W. Europe, Alloeocarpa, n. sp. ; Michaelsen (19). 
Atlantic, Cape, Agulhas Banl<, E. Africa, Sumatra, Enderby Land, 
Bouvet Id., n. spp. ; Michaelsen (20). 
Plymouth; Mar. Biol. Asb. (18). 
Belgium, Molgulidce, n. sp. ; Damas (7). 
Portugal, Pyrosoma ; Nobre (22). 
Goree, W. Africa, Alloeocarpa, n. sp. ; Michaelsen (19). 
Naples, Archiascidia^ n. g. ; Julin (15). 
^Egina, n. sp. ; Hartmeyer (12;. 
Southern Russia ; Sowinsky (29). 
Bed Sea, Eusynstyela, n. sp. ; Michaelsen (19). 
Dar-es-Salam, Diandrocarpa, n. sp. ; Michaelsen (19). 
East Indian Archipelago, n. spp. ; Sluiter (28). 
Amboina, Salpa^ n. S2)p. ; Apstein (2). 
Port Jackson, Chorizocarpa^ n. sp. ; Michaelsen (19). 
California, n. sp. ; Bitter (25). 
2. Geological. 
[Vacant.] 
III. SYSTEMATIC INDEXf. 
Abyssascidia pedictdata^ 304 metres, p. 27, pi. iv, tigg. 13-17 ; Sluiter, 
Tunic. Siboga i, n. sp. 
AUoeocatpa, p. 72, key to spp. p. ISj fusca, p. 73, pi. ii, tigg, 17-19, zschaui, 
p. 88, incnistans, p. 88, pi. i, tig. 13, intermedia^ p. 91, bridgesi, p. 92 ; 
Michaelsen, Mt. Mus. Hamburg xxi. 
A. /mpfe?-i, Goree, W. Africa, p. 77, pi. ii, tigg. 14-16, apolis, N. W. 
Europe, p. 81, pi. i, tigg. 9-12 ; Michaelsen, t. c. n. spp. 
Amai'oucium fuscum^ p. 324 ; Hartmeyer, Zool. Anz. xxvii. 
A. vitreum, ^Egina, p. 325, text-tigg. 1 & 2 ; Hartmeyer, t. c. n. sp. 
Archiascidia n. g. {Archiascidiidw) neapolitana, Bay of Naples ; Julin, 
Mt. Stat. Neapel xvi, pp. 489-552, pi. xx, n. sp. 
Archiascidiidce^ n. fam., near Clavelinidoi, p. 548 ; Julin, t. c. 
t When the character of a reference is not indicated the words "descrii^tion " or 
"descriptive notes" are to be understood. 
