PLATE ex. 
PAGE 
Fig. 1. Membrakipora fo.ssulifera n. sp 408 
1. Portion of the surface of a fine specimen. Reed's. ,x 16 
Figs. 2-5. Memeranxpora oblongula n. sp 407 
2. Surface of an average specimen. Governor Run. x 20 
3. Surface of anotlier specimen liaving tliiclcer walls than usual. 
Same locality. X 16 
4. Portion of the surface of a specimen having relatively larger 
apertures and thinner walls than in the more typical form of 
the species. Plum Point. x 16 
5. Portion of the surface of another specimen showing irregularity 
In development of some of the zooecia. Governor Run. X 16 
Fig. 6. Microporella pr.eciliata n. sp 415 
6. Portion of a zoarium of this species growing on Pecten madison- 
iiiS. The ovicells are more abundant on specimen than usual. 
Cove Point. x 16 
Fig. 7. Microporella inflata n. sp 416 
7. Portion of the surface of a specimen growing on a small molUisk. 
Jones Wharf. x 16 
