Radiata. 7533 



The Range of Echinoderms in Depth and Space.— The following notes on the 

 geographical and balhymetiical distribution of the genera of Echinoderms dredged by 

 me in ihe Yellow Sea and the Sea of Japan may be useful to those especially engaged 

 in the study of sea-urchins and starfishes : — ^ 



A. KoEEAN Islands. 



Haul 1.— Quelpart Island; seven miles from the shore. Fifty-four fathoms. 

 Black sandy mud. Echiinis, Echinorachnius, Ophiura, Ophiocoma, Sipunculus. 



Haul 2. — Port Hamilton, Korean Archipelago ; half-a-mile from the shore. Ten 

 fathoms. Black sandy mud. Echinus, Echinorachnius, Scutella, Aslemia, Sipun- 

 culus. 



Haul 3.— Chosan Harbour, Korean Peninsula ; four hundred yards from the shore. 

 Six fathoms. Mud. Thyone and Sipunculus. 



Haul 4.— Chosan Harbour ; three hundred yards from the shore, in a tideway. 

 Two and a half fathoms. Sandy mud and weeds (Zostera and Sargassum). Asterias 

 and Cribella. 



Haul 5.— Straits of Korea. Two hundred and eighty-eight fathoms. Bocks and 



sand. Ophiocoma (several living specimens). 



«■■ 



B. Coast of Manchurta. 



Haul 1.— OflF Sunday Island ; half a mile from the shore. Twenty fathoms, 

 Sandy mud. Echinorachnius (dead), Pentacta and Bolinus. 



Haul 2.— Off Castle Point; a mile from the shore. Thirty-seven fathoms. 

 Rounded pebbles and broken coral. Cribella and Ophiocoma. 



Hauls. — Sio-Wu-hu Bay; fifty yards from the shore. Four fathoms. Stones 

 and sand. Sipunculus, Cribella, Ophiura and Asterina. 



Haul 4. — St. Vladimir Bay. From three fathoms to low water. Rocky bottom. 

 A deep blue Asterina with a centre of dull red; a little Palmipes abundant in the 

 rock-basins. 



C. Japanese Islands. 



Haul 1.— Off Okosiri Island ; six miles from the shore. Twenty-five to thirty-five 

 fathoms. Corul and rocky bottom. Cidaris, Echinus, Solaster, Cribella, Ophiocoma, 

 Pentacla, Psolus and Sipunculus. 



Haul 2.— Off Rifunsiri Island ; four miles from the shore. Thirty-five fathoms. 

 Coral, broken shells and stones. Solaster, Cribella, Ophiocoma, Psolus and Holo- 

 thuria. 



H aul 3.— Amiva Bay, Island of Sagaleen ; three miles from the shore. Seventeen 

 fathoms. Stones and gravel. Solaster, Uraster, Cribella, Ophiura, Echinus, Psolus 

 and Thyone. 



Haul 4.— Amiva Bay ; two miles from the shore. Twenty-three fathoms. Soft 

 black mud. Spio. 



Haul 5. — Sea of Okhotsk ; seven miles from the Island of Yesso. Seventeen 

 fathoms. Dead shells and sand. Asterina, Cribella and Ophiocoma.— .4. Adams. 



