546 Mr. H. N. Moseley on the true 



Thecocyaihus, sp. — 19th Sept., 1874 : off the N.E. end of Bancla Island, 



60 fathoms. 

 Deltocyathus Agassizii (Pourt.). — 25th March, 1873 : north of Culebra 



Island, near St. Thomas, D. W. I., 390 fathoms. 19th April, 



1873 : off Bermuda, 200 fathoms (in the sounding-machine). 29th 



May, 1873 : off the Bermudas, 1075 fathoms. 10th July, 1873 : 



lat. 37° 26' N., long. 25° 14' W., 1000 fathoms. 

 Deltocyathus Agassizii (Pourt.) ?— 23rd Sept., 1874: lat. 5° 37' S., long. 



134° 4' E., off Dobbo, Wamma Island, Aru Islands, 800 fathoms. 

 Deltocyathus magnificus (sp. n). — 26th Sept., 1874 : lat. 5° 42' S., long. 



132° 25' E., S.W. of the Tionfolokker Islands, 129 fathoms. 

 Platytrochus rubescens (sp. n.). — 26th Sept., 1874 : lat. 5° 42' S., long. 



132° 25' E., S.W. of the Tionfolokker Islands, 129 fathoms. 

 Ceratotrochus diadem® (sp. n.). — 10th July, 1873: lat. 37° 26' N., long. 



25° 14' W., 1000 fathoms. 9th Sept., 1873 : lat. 8° 37' S., long. 34° 



28' W., off Pernambuco, Brazil, 675 fathoms. 

 Ceratotrochus platypus (sp. n.). — 13th June, 1874 : lat. 34° 13' S., long. 



151° 38' E., 410 fathoms, off the coast of New South Wales. 

 Ceratotrochus discoides (sp. n.). — 9th Sept., 1873 : lat. 8° 37' S., long. 



34° 28' W., off Pernambuco, Brazil, 675 fathoms. 

 Ceratotrochus nobilis (sp. n.).— 30th June, 1873 : lat. 38° 30' N., long. 



31° 14' W., 114 miles from Fayal, Azores, 1000 fathoms. 

 Turbinolidce (undetermined). — 25th March, 1873 : north of Culebra Island, 



near St. Thomas, D. W. I., 390 fathoms. 18th Dec, 1873 : lat. 35° 



4' S., long. 18° 37' E., 150 fathoms. 

 Flabellum alabastrum (sp. n.). — 30th June, 1873 : lat. 38° 20' K, long. 



31° 14' W., 1000 fathoms. 10th July, 1873 : between St. Michael's 



and west end of S ta Maria, Azores, 1000 fathoms. 

 Flabellum apertum (sp. n.).— 15th Jan., 1873 : lat. 37° 4' N., long. 9° 14' 



W., off the coast of Portugal, 900 fathoms. 27th Dec, 1873 : off 



Prince-Edward Island, S. Indian Ocean, 310 fathoms. 



Flabellum, sp. (same as foregoing species ?). — 30th Dec, 1873 : lat. 46° 

 16' S., long. 48° 27' E., about 84 miles west of Hog Island, 1600 

 fathoms. 



Flabellum variabile (Semper). — 4th March, 1874 : off Twofold Bay, New 

 South Wales, Australia, 120 fathoms. 10th Sept., 1874 : lat. 9° 59' 

 S., long. 39° 42' E., 38 fathoms. 26th Sept., 1874 : lat. 5° 42' S., 

 long. 132° 25' E., S.W. of the Tionfolokker Islands, 129 fathoms. 



Flabellum, sp.— 4th March, 1874 : off Twofold Bay, New South Wales, 



Australia, 120 fathoms. 

 Flabellum, sp.— 12th May, 1875: lat. 35° 10' N., long. 139° 30' E., off 



Inosima, Kamakura Bay, Japan, 345 fathoms. 4th June, 1875 : 



