3 Proch. 
Systematic Index. 
Ascidia calif or nica sp. n. S. Cali- 
fornia, Ritter and Forsyth t.c. p. 
454 figs. 
Mctandrocarpa michaelseni sp, n. 
S. California, Ritter and Forsyth 
t.c. p. 458 figs. 
Polyzoa translucida sp. n. S. Cali- 
fornia, Ritter and Forsyth t.c. p. 
460 figs. 
Bolryllus tuberatus sp. n. S. Cali- 
fornia, Ritter and Forsyth t.c. p. 
461 figs. 
Botrylloides diegensis sp. n. S. Cali- 
fornia, Ritter and Forsyth t.c. p. 
462 figs. 
Distaplia occidcntalis sp. n. S. Cali- 
fornia, Ritter and Forsyth t.c. p. 
464 figs. 
Eudisloma psammion p. 467 figs., 
diaphanes p. 469 figs. spp. n., S. Cali- 
fornia, Ritter and Forsyth t.c. 
Didemnum carnulentum sp. n. S. 
California p. 470 figs., lacteolum var. n. 
p. 471 figs., Ritter and Forsyth t.c. 
Trididemnum della-vallei sp. n. S. 
California, Ritter and Forsyth t.c. 
p. 472 figs. 
Diplosoma pizoni sp. n. S. Cali- 
fornia, Ritter and Forsyth t.c. p. 
474 figs. 
Diplosomoides caulleryi sp. n. S. 
California, Ritter and Forsyth t.c. 
p. 476 figs. 
Glossophorum planum sp. n. S. Cali- 
fornia, Ritter and Forsyth t.c. p. 
478 figs. 
Macroclinum parfuslis p. 480 figs., 
pellucidum p. 482 figs., spp. n. S. 
California, Ritter and Forsyth t.c. 
Amaroucium calif or nicum p. 483 figs., 
solidum p. 486 figs . , aequali-siphonis p. 
487 figs., Ritter and Forsyth t.c. 
Cephalochordata. 
Amphioxus , orientation, Arey 1. 
