[1921 J 
XII. Prochordata. 
Proch. 3 
II.— SUBJECT INDEX. 
STRUCTURE. 
General. — Arnback - Christie - 
Linde, 2; Michaelsen, 11; 
Redikorzev, 14a; Van Name, 17 : 
Nerves ; Ayers, 3 : Muscles ; Stud- 
wioka, 16 : Reproductive Organs ; 
Arnback-Christie-Linde, 1. 
PHYSIOLOGY. 
Crozier, 4; Grape, 6; Huxley, 
7 ; Mast, 10 ; Orton, 14. 
DEVELOPMENT. 
Budding ; Van Name, 18 : Larvae, 
Grape, 5 ; Mast, 10 ; Stiasny, 15 : 
Organogeny — test ; Huntsman, 6. 
DISTRIBUTION. 
Atlantic ; Van Name, 17 : Indian 
Ocean ; Michaelsen, 12 : Red Sea ; 
Michaelsen, 11 ; East Indian Archi- 
pelago ; Stiasny, 15 ; New Zealand ; 
Norman, 13 : Spitzbergen ; Arnback- 
Christie-Linde, 2 : Russia ; 
Redikorzev, 14a : Permian of Scily ; 
Jaekel, 8. 
III.— SYSTEMATIC INDEX. 
Tunic ata. 
Ascidians : budding, Van Name, 
18 ; Revision of Molgulidac, TetJiyidae 
and Styelidae of Russia and neighbour- 
ing countries; Redikorzev 14a. 
Chelyosoma growth and symmetry of 
test, age determination, Huntsman 6. 
Perophora dedifferentiation and re- 
sorption, Huxley 7. 
Clavellina experimental production 
of zooids, Orton 14. 
Oculinaria australis discovery of type 
specimen, Kirkpatrick 9. 
Kiikenthalia borealis reproductive 
organs, Arnback-Christie-Linde 1. 
Amaroucium pellucidum, constellatum, 
reactions of larvae, Grape 5 ; Mast 10 ; 
A. savigny p. 11 pi. figs. 5-7, erythraeum 
p. 17 pi. fig. 10, spp. n. Red Sea, 
Michaelsen Denkschr. Akad. Wien 
97 Ber. Komm. Ozean. For. 
Polycitor ( Polycitor ) torensis sp. n. 
Red Sea, p. 3 pi. figs. 8, 9, text-fig. ; P. 
( Eudistoma ) paesslerioides var. Jcupferi 
p. 7, Michaelsen Denkschr. Akad. 
Wien 97 Ber. Komm. Ozean. For. ; 
P. ( Eudistoma ) Icauderni sp. n. Mada- 
gascar, Michaelsen Ark. Zool. 13 
No. 23 p. 9 figs. 5-7 ; P. ( Eudistoma ) 
hepaticus sp. n. W. Indies, Van Name 
Bui. Amer. Mus. Nat. Hist. 44 p. 348. 
Trididemnum Cyclops sp. n. Mada- 
gascar, Michaelsen Ark. Zool. 13 
No. 23 p. 19 fig. 10. 
Didcmnum fusiferum sp. n. Florida, 
Van Name Bui. Amor. Mus. Nat. Hist. 
44 p. 331 fig. 26. 
Microcosmus oligophyllus, wahlbergi 
var. n. Natal, Michaelsen Ark. Zool. 
13 No. 23 p. 2 figs. 8-9. 
Holozoa bursata sp. n. Florida, Van 
Name t.c. p. 366 figs. 44-47. 
Polyandrocarpa sabanillae p. 409 
figs. 77-81, P. ( Eusynstyela ) jloridaua 
p. 417 figs. 87-89, spp. n. Florida, 
Van Name t.c. 
Ypsilocarpa gen. n., clipeata sp. n. 
Spitzbergen, Arnback-Christie-Linde 
Ann. Mag. Nat. Hist. (9) 7 p. 347. 
Tethyum microspinosum sp. n. West 
Indies, Van Name t.c. p. 441 figs. 
107-111. 
Pyura antillarum sp. n. West Indies, 
Van Name t.c. p. 451 figs. 123-128. 
Synoicum suesanum sp. n. Red Sea, 
Michaelsen Denkschr. Akad. Wien 
97 Ber. Komm. Ozean. For. p. 27 pi. 
figs. 1-4. 
Dendrodoa microstigma sp. n. Bering 
Sea, Redikorzev Faune de la Russe, 
Tunicies Petrograd 1916 p. 323 figs. 
f Permosoma gen. n., lunicatum sp. n. 
Permian Sicily, Jaekel Palaeont. Zs. 
Berlin 2 p. 73 pi. i figs. 1-6. 
Cephalochordata. 
Amphioxus muscles, Studwicka 16 ; 
spinal nerves, Ayers 3. 
Enteropneusta and Pterobranchia. 
Tornaria sunieri sp. n. East Indian 
Archipelago, Stiasny Zool. Meded. 6 
p. 101. 
Rhabdopleura synopsis of spp. and 
distribution p. 96 ; R. annulata sp. n. 
New Zealand p. 98 figs., Norman Brit. 
Ant. (T.N.) Exp. Zool. 4 (2). 
