Art. XIII. — Descriptions of Neiv or Little-hnoivii Pohjzoa. 



Part XIV. 



By P. H. MacGillivray, M.A., M.R.C.S., F.L.S. 



(With Plates IX and X.) 

 [Read NoTember 12, 1890.] 



Menipea porteri, McG., PI. IX, Fig. 1. 



I have received, from the Rev. Mr. Porter, a single small 

 specimen gathered at Port Jackson, New South Wales, 

 differing in some respects from those from South Australia, 

 described and figured in Transactions of the Royal Society 

 of that Colony, Vol. XII, p. 25. In most of the zooecia, the 

 fornix is wanting, and in others is small and clavate. The 

 marginal spines are also thicker, and none are furcate. 



Euthyris woosteri, n. sp., PI. IX, Fig. 2. 



Zoarium lohed. Zooecia alternate in longitudinal series, 

 elongated, rounded above ; separated by narrow raised lines ; 

 surface hj^aline, convex ; mouth lofty, arched above, 

 contracted at the lower third, the lower lip slightly 

 hollowed ; peristome thickened, especially in the lower lip. 

 A large avicularium on one side of the mouth, broad above, 

 with the triangular mandible produced into an acuminate 

 process directed downwards. Posterior surface indistinctly 

 marked witli longitudinal grooves, and thickly covered with 

 very narrow, transverse, parallel rows of minute elevations. 



Cqoktown, Queensland, Mr. W. H. Wooster. 



This beautiful species, which I dedicate to its discoverer, 

 to whom I am indebted for many valuable specimens and 

 much information, is readily distinguished by the form of 

 the mouth, the large lateral avicularia, and the peculiar 

 marking of the posterior surface of the zoarium. I do not 



