No.1.] BUDDING IN GOODSIRIA AND PEROPHORA. 
227 
DESCRIPTIVE LETTERS. 
Anterior. 
Ampullae of testicular blood 
vessels. 
Atrial siphon. 
Bud. 
Bud Ax/lage. 
Blood corpuscles. 
Branchial sac. 
Branchial siphon. 
Branchial stigmata An/age. 
Branchial epithelium. 
Branchial stigmata. 
Body space. 
Blood vessel. 
Cloaca. 
Cloison, or stolonic septum. 
Cloacal epithelium. 
Dorsal. 
Dorsal partitioning fold. 
Dorsal lamina. 
Ectoderm. 
Ectodermic, or testicular 
blood vessels. 
Ectodermic vessels project- 
ing into body space. 
Endostyle. 
Endocarp. 
Epithelium of peribranchial 
sac. 
Female polycarps. 
Ganglion. 
Ganglionic evagination. 
Heart. 
Hypophysis Ax/age. 
Hypophysis duct. 
Internal longitudinal bars. 

tnt. 
1n.UES. 
2p. 
l.coe. 
ld. 
l.pb.s. 
Ess 
m.en’c. 
MeS.LaS. 
MeES.VEC. 
oe. 
Intestine. 
Primitive inner vesicle. 
Internal papilla. 
Lacteal coecum. 
Lacteal duct. 
Left peribranchial sac. 
Lacteal system. 
Male polycarp. 
Gastric mesentery. 
Rectal mesentery. 
Oesophagus. 
Ova. 
Posterior. 
An/lage of peribranchial sac. 
Pericardium. 
Pericardial AnJage. 
Partitioning fold. 
Polycarp. 
Remnant of connection be- 
tween bud and _ parent 
zooid. 
Rectum. 
Remnant of evagination. 
Right peribranchial sac. 
Right ventral partitioning 
fold. 
Siphonal ectoderm. 
Siphonal folds. 
Stomach. 
Stolon. 
Testa. 
Testa cells. 
Transverse vessel. 
Testis. 
Ventral. 
Ventral partitioning fold. 
