60 EDWARD T. BROWNE. 
DESCRIPTION OF THE PLATES. 
KEY TO THE LETTERING OF THE PLATES. 
ad., adhesive pad (Lucernaria). oc. 1., ocular lobe (= rhopaliar lobe). 
ad. f., adhesive disc of the foot (Lucernaria). or., oral lip. 
b., basal bulb. ot., otocyst. 
Cry cordylus. ov., ovum; ovary. 
Ch, cavity of the peduncle (Lucernaria). Ds papilla. 
CC., circular canal. per., perradial. 
Ofte circular muscles. : per. ¢., perradial canal. 
dc., diverticulum of the circular canal. tr, radial canal. 
CC., ectoderm. : 
ae rh. vhopalium. 
ec. c., ectodermal cavities. . 
rh. ¢., vhopaliar canal. 
en., endoderm. : 
é rh. 1., rhopaliar lobes. 
eL., exumbrella. it 
ae filament of the stomach. bed ” send a 
Ohis gonad. a aes 
ga., genital duct. st., stomach. ' 
inter. c., interradial canal. : st.r., perradial ridge of stomach. 
k., canal in foot of Lucernaria. sub., Jeena 
mM, mouth. t., tentacle. 
mb., marginal bulb. ta., _ teeniola. 
mes., mesoglea. t.,  tentacular canal. 
mesen., mesentery. tl., tentacular lobe. 
Ny nematocysts. uw., umbrella wall. 
0C., ocellus. V5 velum. 
PLATE I. 
Fig. 1.—Catablema weldoni. arly stage. x 10. 
Fig. 2.—Catablema weldoni. Adult. x 33. 
Fia. 
Fria. 
Fic. 
Fia. 
Fic. 
Fra. 
3.—Catablema weldont. 
The basal portion of a tentacle. 
x 12. b., basal bulb; 
Lateral view. 
ce., circular canal; dc., diverticulum ; ez., exumbrella; md., marginal bulb; 7., radial canal. 
The filaments upon a tentacle. 
Lateral view. 
x 25. 
5.—Catablema weldoni. Lower portion of the stomach, showing the gonads (g.), and the mouth (m.) 
4,—Catablema weldoni. 
with perradial lip (per.). x 20. 
6.—Cosmetirella simplex. Adult. Lateral view. 
7.—Cosmetirella simplex. 
two tentacles. x 60. 
8.—Cosmetirella simplex. 
ot., otocyst ; v., Velum. 
x 7. 
Transverse section of a sensory pit. 
A portion of the margin of the umbrella, showing a sensory pit (s.p.) and 
x 480. ce., circular canal; 
