DUBLIN UNIVEESITY ZOOLOGICAL AND BOTANICAL ASSOCIATION. 147 
The ovicell is immediately above and behind the mouth of the cell, 
cemented against the triangular side of the pair of cells above, subsphe- 
rical, slightly compressed, and beautifully marked, as if stamped with a 
miniature clam-shell. 
The coenoecium is very calcareous, forming delicate pure white, 
bushy tufts, about half an inch high. 
It occurs sparingly with Cellularia cuspidata and Bimetopia cornuta , 
parasitical on Catenicella ventricosa. 
Bass’s Strait; Dr. Harvey. And on Catenicella hastata. Hew Zea¬ 
land ; Dr. Jolrffe. 
DESCRIPTION OF THE PLATES. 
PLATE XIII. 
Big. 1. Catenicella crystallina, n. s. 
Fig. 2. Ovicell of C. perforata [Bush). 
Fig. 3. C. castanea, n. s. 
Fig. 4. C. alata, n. s. 
PLATE X. 
Fig. 1, 2. Catenicella Harveyi, n.s. 
Fig. 3, 4. C. gemmata, n. s. 
PLATE XI. 
Fig. 1. Catenicella Dawsoni, n. s. 
Fig. 2. C. Buskii, n. s. 
Fig. 3, 4, 5. Cothurnicella dsedala, n. s. 
PLATE XII. 
Fig. 1. Menipea Buskii, n. s . 
Fig. 2. Scrupocellaria ornithorhyncus, n. s. 
plate xv. 
Fig. 10, 10tf. Menipea cyathus, n. s. 
Fig. 13, 13 a. Calwellia bicornis, n. s . 
Specimens of the new genera and species were exhibited to the 
members. 
The Ballot being opened, and the Bev. Eugene O’Meara, M. A., 
appointed Scrutineer, the following were declared duly elected as Ordi¬ 
nary Members :■— 
S. A. Brenan, Jun. Soph., and H. L. Smith, Sen. Fresh. 
The Meeting was then adjourned to the 16th of April. 
