4 Tun. 
VI. TUNICATA. 
[1904] 
b. Embryology. 
Development of ovarian egg in Cynthia ; Bluntschli (3). 
Differentiation in unsegmented egg of Tunicata ; Conklin (4 & 5). 
Anatomy of larva of Bistaplia ; Damas (6). 
Development of Archiascidia , placental attachment of embryo ; Julin 
5). 
Development of branchia in Tunicata ; Damas (6), Julin (14).| 
c. Distribution. 
1. Geographical. 
Distribution of Polyzoince , new localities for many spp. ; Michaelsen 
(19). 
Spitzbergen and Bear Island ; Hartmeyer (11). 
North Sea and Baltic Plankton ; Anon (1). 
N. W. Europe, Alloeocarpa, n. sp. ; Michaelsen (19). 
Atlantic, Cape, Agulhas Bank, E. Africa, Sumatra, Enderby Land, 
Bouvet Id., n. spp. ; Michaelsen (20). 
Plymouth; Mar. Biol. Ass. (18). 
Belgium, Molgulida , n. sp. ; Damas (7). 
Portugal, Pyrosoma ; Nobre (22). 
Goree, W. Africa, Alloeocarpa , n. sp. ; Michaelsen (19). 
Naples, Archiascidia , n. g. ; Julin (15). 
iEgina, n. sp. ; Hartmeyer (12). 
Southern Russia ; Sowinsky (29). 
Red Sea, Eusynstyela , n. sp. ; Michaelsen (19). 
Dar-es-Sal&m, Diandrocarpa, n. sp. ; Michaelsen (19). 
East Indian Archipelago, n. spp. ; Sluiter (28). 
Amboina, Salpa , n. spp. ; Apstein (2). 
Port Jackson, Chorizocarpa , n. sp. ; Michaelsen (19). 
California, n. sp. ; Ritter (25). 
2. Geological. 
[Vacant.] 
III. SYSTEMATIC INDEXf. 
Abyssascidia pediculata , 304 metres, p. 27, pi. iv, ligg. 13-17 ; Sluiter, 
Tunic. Siboga i, n. sp. 
Alloeocarpa , p. 72, key to spp. p. 73, fusca, p. 73, pi. ii, figg, 17-19, zschaui, 
p. 88, incrustans , p. 88, pi. i, fig. 13, intermedia, p. 91, bridgesi, p. 92 ; 
Michaelsen, Mt. Mus. Hamburg xxi. 
A. hupferi, Goree, W. Africa, p. 77, pi. ii, figg. 14-16, apolis, N. W. 
Europe, p. 81, pi. i, figg. 9-12 ; Michaelsen, t. c. n. spp. 
Amarouciuin fuscum, p. 324 ; Hartmeyer, Zool. Anz. xxvii. 
A. vitreum, iEgina, p. 325, tcxt-figg. 1 & 2 ; Hartmeyer, t. c. n. sp. 
Archiascidia n. g. ( Archiascidiidte ) neapolitana, Bay of Naples; Julin, 
Mt. Stat. Neapel xvi, pp. 489-552, pi. xx, n. sp. 
Archiascidiidce, n. fam., near Clavelinidce, p. 548 ; Julin, t. c. 
f When the character of a reference is not indicated the words “description” or 
“descriptive notes” are to he understood. 
