MUSEUM OF COMPARATIVE ZOOLOGY. 203 



Rhizotrochus fragilis Pourt. 



Station No. 36. Lat. 23° 13' N., Long. 89° 10' W. 84 fms. 



" " 32. Lat. 23° 52' N., Long. 88° 5' W, 95 fms. 

 (Sigshee.) Lat. 26° 31' N., Long. 85° 3' W. 119 fms. 



Rhizotrochus tulipa Poubt. 



(Sigsbee.) Off Havana. 175 fms. 



Flabellum angulare Moseley. 



The specimen has six systems, but otherwise agrees with Moseley's specimen, 

 which had only five. 



Station No. 46. Lat. 25° 43' N., Long. 84" 47' W. 888 fms. 



Desmophyllum Cailleti D. & M. 



Station No. 36. Lat. 23° 13' N., Long. 89° 16' W. 84 fms. 



" " 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 cristagalli M. Edw. & H. 



A fine specimen and a younger one on a stem of Primnoa from 805 fathoms, 

 4 miles from Havana. D. reflexiim and Kiisei D. & M. may be only the 

 young of this species. D. Cailleti D. & M. is well characterized by its smooth 

 outside. 

 (Sigsbee.) Off Havana. 100 fms. 



" Station No. 9. Off Havana. 127 fms. 



« Off Havana. 158 fms. 



Station No. 2. Off Havana. 805 fms. 



Turbinolia corbicula Pounx. spec. nov. 



Plate I. Figs. 13, 13. 



Turbinate, somewhat attenuate towards the base and swelled out in the mid- 

 dle. Costa) covered with very fine sharp granulations, giving the whole outside 

 a hispid appearance. The costa) of the two first orders ecjual, 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. 

 " " 20. Lat. 23° 2' N., Long. 8,3° 11' W. 220 fms. 



Schizocyathus fissilis Podrt. 

 (Sigsbee.) Off Havana. 243 - 450 fms. 



