MUSEUM OF COMPARATIVE ZOOLOGY. 203 
Rhizotrochus fragilis Pourr. 
Station No. 36. Lat. 23° 13 N., Long. 89° 10 W. 84 fms. 
i « 39, Lat. 23° 52 N., Long. 88° ۵ W. 95 fms. 
(Sigshee.) Lat. 26° 31' N., Long. 85? 3’ W. 119 fms. 
Rhizotrochus tulipa Pourr. 
(Sigsbee.) Off Havana. 175 fms. 
Flabellum angulare ۰ 
The specimen has six systems, but otherwise agrees with Moseley’s specimen, 
which had only five. 
Station No. 46. Lat. 25° 42 N., Long. 84° 47 W. 888 fms. 
Desmophyllum Cailleti D. & M. 
Station No. 36. Lat. 23° 13' N., Long. 89° 1۵ W. 84 fms. 
E & 45. Lat. 25° 33' N., Long. 84° 21! W. 101 fms. 
Off Havana. 175 fms. — 
(Sigsbee.) Station No. 11. Lat. 22° 9 N., Long. 82° 21/ W. 242 fms. 
Desmophyllum eristagalli M. Low. & H. 
A fine specimen and a younger one on a stem of Primnoa from 805 fathoms, 
4 miles from Havana. D. reflexum and Ritsei D. & M. may be only the 
young of this species, D. Cailleti D. & M. is well characterized by its smooth 
outside. 
(Sigsbee.) Off Havana. 0 fms. 
d Station No. 9, Off Havana. 127 fms. 
" Off Havana. 158 fins. 
Station No. 2. Off Havana. 805 fms. 
Turbinolia corbicula Pourr. spec. nov. 
Plate Y. Figs. 12, 13. 
Turbinate, somewhat attenuate towards the base and swelled out in the mid- 
dle, Coste covered with very fine sharp granulations, giving the whole outside 
a hispid appearance. The costo of the two first orders equal, those of the third 
cycle broader and flatter. The mural pits rather large and numerous, partly 
covered by the small spines, Calicle circular. Septa in two cycles only, with- 
out trace of the third, hardly exsert, finely granulated, Columella ill-defined 
and not prominent. Height, 3 mm.; diameter, 2 mm, None of the specimens 
were living, Perhaps fossil (?). 
Station No. 19. Lat. 23? 3’ N., Long. 83? 10! W. 100 fms. 
i * 90, Lat. 23° 2 N., Long. 83? 11' W. 220 fms. 
o 
Schizocyathus fissilis Pounr. 
(Sigsbee.) Off Havana. 243 = 450 fms. 
