160 Mr. A. E. Verrill on a new JeUyfish. 



ii-regular whitish scales, among wliich, in certain places, some 

 six or seven larger ones are seen forming a rosette. Between 

 the rays and their bifurcations this scaly covering of the ven- 

 tral surface extends back on to the dorsal surface, ending there 

 with great regularity in triangular spaces pointing to the 

 centre of the disk. The remainder of the dorsal surface of the 

 disk and the rays, which, by this arrangement, assumes the 

 form of a regular star with five broad dichotomous rays, is 

 clothed with a soft and smooth brownish skin. There is no trace 

 of a calyx. In the centre of the even dorsal face of the disk is 

 seen a somcAvhat pentagonal space studded with minute pores. 



To have the channels on the disk converted into tunnel- 

 like passages leading to a mouth concealed beneath the integu- 

 ment is a peculiarity hitherto not observed in any recent 

 Crinoid ; but it is, as shown by Professor Huxley and Mr. 

 Billings, a characteristic of the palaeozoic Crinoids and Cysti- 

 deans. The absence of any indication of a calyx at once 

 excludes Hyponome from the former. Among the Cystideans 

 it recalls the genus Agelacrinites^ of Vanuxem, by the de- 

 pressed form of the body, the scaly covering, and the flatness 

 of the dorsal surface, devoid of anything like a stem or 

 peduncle, as also by the absence of pectinated rhombs and of 

 pinnulffi. Branchlets running from the channels to sacculate 

 protuberances are found also in the genus Glyptocystites of 

 Billings and Glyptosplicerites of Johannes Miiller ; and bifur- 

 cations of the channels are met with in 8ph(Brocystites and 

 Callocystites of Hall. Lastly, the genus Hyponome shares 

 with the surviving type of the Crinoidea the radiated form of 

 the body and the simply conical unprotected funnel. 



The specimen described is from Cape York, Torres Strait. 



XVIII. — Descriptions of a remarhabJe new Jellyfish and tioo 

 Actinians from the coast of Maine. By A. E. Verrill*. 



During an excursion to the coast of Maine and Bay of Fundy 

 last season, many interesting and rare marine animals were 

 observed and collected by myself and companions f. Among 

 the most remarkable new species is a very large and beautiful 

 Discophorous jellyfish, which is the type of a new genus, and 

 represents a family previously unknown u})on our Atlantic 

 coast. 



In size and general appearance it has some resemblance to 

 Cyanea arctica^ for which it may, possibly, have been hitherto 

 mistaken by casual observers ; for it seems scarcely probable 



* From Silliman's American Journal, July 1869 

 t Messrs. S. I. Smith, G. A. Jackson, H. E. 



Webster, and E. F. Ven-ill. 



