3 Proch. 
Systematic Index. 
STRUCTURE. 
General ; Oka, 11. 
Luminous organs ; Buchner, 2. 
DEVELOPMENT. 
Della Valle, 3 ; Gilchrist, 4 ; Harmer, 
5 ; Hyde, 9 ; S4lys Longchamps, 16 ; 
Stiasny, 17. 
ETHOLOGY. 
Gilchrist, 4 ; Harmer, 5. 
DISTRIBUTION. 
British Seas ; Hartmeyer, 6, 7, 8. 
N. Atlantic and Mediterranean ; 
Kriiger, 10. 
S. Africa ; Gilchrist, 4 ; Harmer, 6. 
Indian Seas ; Oka, 13. 
Japan ; Oka, 11, 12. 
N. Japan and Ochotsk Sea ; Redikor- 
sev, 15. 
III.— SYSTEMATIC INDEX. 
Tunicata. 
List of names, Stiles 18. 
Nomina conservanda, Hartmeyer 8a. 
Agnesici himeboja sp. n. Japan, Oka 
A nnot. Zool. Jap. 9 1915 p. 1. 
Appendicula nom. n. = Appendicular ia 
Fol nec Cham. & Eis., Bartsoii Proc. 
Biol. Soc. Washington 28 p. 145. 
Ascidia irregularis Laccadive Sea p. 
24 ; hyalina Bay of Bengal p. 25 ; willeyi 
Burma p. 26 ; andamanensis Andamans 
p. 27 spp. n., Oka. Mem. Ind. Mus. 
Calcutta VI. 
Chelyosoma mequale sp. n. Ochotsk 
Sea, Redikorzev Zool. Anz. 43 p. 206, 
fig. 
Clavelina development, Della Valle 
8 . 
Cynthia sluiteri sp. n. Arabian Sea, 
Oka Mem. Ind. Mus. Calcutta 6 p. 14. 
Dicopia, Oka 11. , 
Didemnopsis microzoa, sp. n. Tatarsky 
Str., Redikorzev Zool. Anz. 43 p. 208 
% 
Fritillum nom. n .--Fritillaria Fol 
nec Huxley, Bartsoii Proc. Biol. Soc. 
Washington 28 p. 146. 
Hexacrobylus , Oka 11, 13. 
Megalocercus , Oka 13. 
Microcosmus manaarensis, Oka 13. 
Molgula . simidans Indian Seas p. 3 ; 
burmanica Burma Coast p. 5 spp. n., 
Oka Mem. Ind. Mus. 6. 
Monobotryllus gen. n. violaeeus sp. n. 
Orissa, Oka Mem. Ind. Mus. 6 p. 20. 
Oikopleura , Kruger 10. 
Placentela gen. n. (Synoicidae) 
crystallina sp. n. Ochotsk Sea, Redikor- 
zev Zool. Anz. 43 p. 212. 
Podoclavella fecunda, Oka 13. 
Polycarpa annandalei sp. n. Madras, 
Oka Mem. Ind. Mus. 6 p. 19. 
Polycarpa tenera regeneration, Selys- 
Longoiiamps 16. 
Pyrosoma, Kruger 10. 
Polysyncraton crassum sp. n. Ochotsk 
Sea, Redikorzev Zool. Anz. 43 p. 209 
fig. 
Pyura discoveryi Herdinan var. 
septemplicata n. var., Sluiter 2. 
Expedition Antarct. Franc. Tuniciers p. 
8 pi. I fig. pi. iv fig. 10. 
j Rhabdocynthia ccylonica, Oka 13. 
Sidneioides japonensc sp. n, Japan, 
Redikorzev Zool. Anz. 43 p. 210 tig. 
Syncarpa gen. n. (Stvelidae) oviformis 
sp. n. Ochotsk Sea, Redikorzev t.c. p. 
204 fig. 
Enteropneusta and Pterobranchia. 
Balanoglossus clavigerus development, 
Stiasny 17. 
Cephalodiscus gilchristi biology, early 
stages, Gilchrist 4 ; Harmer 5. 
