702 Proceedings of the Royal Irish Academy. 
8. Spatangus purpureus^ 0. F. Miiller. 
Depth 54 fathoms. ? locality. 
9. Spatayigus Easchi, Loven. 
Locality. — Off Dursey Head. Depth 345 fathoms. 
10. JBrissopsis lyrifera (Forbes), Agassiz. 
Depth 5 fathoms. 
Depth 54 fathoms. 
v.— HOLOTHUEOIDEA. 
1. Solothuria intestinalis, Ascanius & Eathke. 
Locality.— Lat 51° 1' IST., Long. 11°50^W. Depth 750 
fathoms. 
2. Holothuria tremula^ Gunner. 
About 56 miles off Dursey Head. Depth 345 fathoms. 
3. Stichopus natans, Sars. 
Locality.— L^i. 51° V JsT., Long, 11° 50' W. Depth 750 
fathoms. 
4. Cucumaria hyndmanni (Thompson), Forbes. 
Locality. — About 56 miles off Dursey Head. Depth 345 
fathoms. A single young example, 14 mm. in 
length. 
5. Thyonidium pellucidum (Fleming), Diiben & Keren. 
Depth 50 fathoms. 
6. Lmtmogone violacea^ Theel. 
Locality.— 'Ld.t. 51° 1' K, Long. 11°50'W. Depth 750 
fathoms. 
List of Deebging Stations. 
The following lists will show at a glance the association of the 
species at each of the stations (unfortunately the exact localities of 
several of these have been mislaid) : — 
1. Long Island Sound. Depth 4 fathoms. 
Antedon rosacea. Ophioglypha lacertosa. 
Asterias ruhens. 
2. Log 2. Depth 33 fathoms, 
Luidia sarsii. 
